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antennas and coils

Standex Electronics supplies antennas and coils using leading edge design and manufacturing technologies. Our products are used throughout the world in automotive keyless entry, garage door openers, and military sonobuoys in remote locations. Our immobilizer security antennas are used in many automotive, motorcycle and marine ignition systems – while our antenna coils are found on in-home security systems. The 125 KHz RFID antenna receivers can be custom molded into any configuration for virtually limitless applications.

Below are some examples of the various types of packaging we offer:

High Q Fixed Inductance RF Inductors – Packaged “tape and reel” for automatic assembly (165, 166, 168, 887, 888, 890, 891, 896)

  • Economical “Tape & Reel” alternative to axial lead RF inductors
  • Inductance values available from .003uH to .115uH
  • Economically precision molded in polypropylene plastic for long term electrical and mechanical stability

7mm variable inductors – Shielded and Unshielded (760, 761, 800, 126, 936 Series)

  • Unique lead break out allows more inductance values available than with other series
  • Available shielded or unshielded
  • Inductance values from less than .059uH to .87uH
  • Several core materials and lengths available
  • May be economically trimmed to a shorter height
  • Windings may be molded in alternate positions
  • Economically precision molded in polypropylene plastic for long term electrical and mechanical stability

10mm variable inductors – Shielded and Unshielded (910, 956, 957 Series)

  • Higher ‘Q’ than other shielded 10mm variable inductors (925, 926 Series)
  • Inductance values from less than .054uH to .855uH
  • Optional nickel plated brass cover provides electrical shielding and additional mounting stability
  • Several core materials and lengths available
  • Economically precision molded in polypropylene plastic for long term electrical and mechanical stability
  • More thermally stable than competing coils with similar Q and tuning range (950 Series)
  • Available shielded or unshielded (950 Series)
  • Available with two though 6 mounting pins (950 Series)
  • Inductances available from .11uH to nearly 10uH (950 Series)

Variable RF Inductors – Horizontally configured (155, 618, 460, 607, 620, Series)

  • Low profile design, excellent were there are height restrictions or side tuning is preferred
  • Inductance values from less than .023uH to 3.45uH
  • Several core materials and lengths available

Variable RF Inductors – Vertically configured

  • Inductance values from less than .043uH to .419uH (929, 138, 928 Series)
  • Inductance values from less than .045uH to .610uH with very high Q (308, 932, 408, 933 Series)
  • Inductance values from less than .05uH to 1.8uH with very high Q (202, 511 Series)
  • Inductance values from less than .038uH to 1.94uH with very high Q (478 Series)
  • Series 138 may be tapped in two positions; series 928 may be tapped in up to 6 positions
  • Several core materials and lengths available
  • May be economically trimmed to a shorter height
  • Windings may be molded in alternate positions
  • Economically precision molded in polypropylene plastic for long term electrical and mechanical stability

Tuning or alignment tools for Standex Variable inductors

  • Molded in economical high strength plastic for long life
  • Some models with a combination metal and plastic tips for rough and fine tuning
  • Some models are ‘combination tools’ available to tune several core sizes
TLE-TLB-FPT Series Line Frequency Magnetics/Other Packages

General purpose TLE TLB FPT Series Low Voltage Lighting power transformers with secondary protection and double insulation are suitable for low voltage lighting circuits. Dielectric strength tested to CSA/UL standards. Enclosed models include secondary circuit protection. Toroid models are supplied with necessary mounting hardware. Custom sizes, ratings and terminations may be engineered for your specific application. Some models CSA certified to TIL-B45 as suitable for use with “trapeze lighting systems”.

TA-TAE-FPT Series Line Frequency Magnetics/Other Packages

TA-TAE-FPT Series Auto power transformers are line frequency magnetics designed in an open, enclosed package with an economical method of changing voltage levels. These auto transformers are widely used to operate electrical equipment outside of North America. Typically 50% smaller than similar isolation transformers. All models are 50/60Hz, 230V-115V or 115V -230V. Laminated units are varnished impregnated for quiet operation with 10″ leads standard. Some models CSA / UL recognized LR16597, E105782. Class B – 130°C insulation system utilized. Dielectric standards to CSA/UL standards. Custom sizes, ratings and terminations may be engineered for your specific application.

FPS Series Line Frequency Magnetics/Other Packages

FPS Series Class 2 power transformers energy-limiting wall plug line frequency magnetic transformer with output voltage limited to meet the requirements for connection to Class 2 circuits as defined in the electrical code plugs into any North American standard duplex receptacle CSA (NRTL/C) certified to C22.2 No. 223-M91 and UL 1310. Rugged, high-impact, flame retardant thermoplastic enclosure with secondary screw terminals hidden and protected from accidental shorting. Also available with flexible secondary line cord and jacks for special applications. The fail-safe protection designed into the transformer allows the use of lightweight, unprotected “bell” wiring in applications such as door chimes, buzzers, intercoms, security devices, thermostats, central vacuum systems, low voltage lighting control, remote control, etc.

FTA Series Class 2 Transformers

FTA Series Class 2 power transformers energy-limiting cord connected line frequency magnetic transformer with output voltage limited to meet the requirements for connection to Class 2 circuits as defined in the electrical code CSA (NRTL/C) certified to C22.2 No. 223-M91.

CA Series Line Frequency Magnetics/Other Packages

Fully certified CA Series Class 2 power transformers are line frequency magnetics featuring a highly isolated, wired-in high impact resistant plastic case that requires no extra grounding. Available in 120V 60Hz primary models or 240V 50/60Hz primary models. Combination screw / .25″ male quick connect secondary terminals with integrated 1/2″ conduit nipple mounting and optional panel mount bracket available. Fuse-less energy limiting winding. CSA and UL approved models available. Custom sizes, ratings and terminations may be engineered for your specific application.

FPT Line Frequency Magnetics/Toroidal

FPT Series Power Toroidal Transformers offers 44 standard models from 15VA to 500 VA. Dual 115/230V 50/60Hz rated primary and dual secondaries for series or parallel selection with class B 130°C insulation system utilized. Low radiated magnetic field. CSA and UL recognized components LR16597, E105782. Dielectric tested to UL/CSA standards. Custom sizes, ratings and terminations may be engineered for your specific application. ATC-Frost UL / CSA family recognition assures fast, trouble free approval of your equipment. Toroidal transformer designs are typically 50% lighter and much more compact than traditional EI laminated transformers. Custom toroid transformer dimensions may be varied to accommodate alternate dimensional requirements such as low profile or slim line equipment. Low stray magnetic fields compared to traditional EI laminated transformers. Low noise – toroidal construction ensures that mechanical hum” will be minimal.

TRPH Series Line Frequency Magnetics PCB-mount

TRPH Series Horizontal Split Bobbin Power Transformers are line frequency magnetics designed for printed circuit board (PCB) mounting. Split bobbin construction provides for high isolation primary to secondary, low capacitive to minimize line noise, and require no electrostatic shield. Single 115V or dual 115/230V primaries. Split secondaries allow series, parallel or dual operation. CSA certified LR15697 and UL recognized E107872. Class B – 130°C insulation system. Custom sizes, ratings and terminations may be engineered for your specific application.

TRP-TRPD Series Line Frequency Magnetics PCB-mount

TRP-TRPD Series Low Voltage Rectifier Power Transformers are line frequency magnetics designed for printed circuit board (PCB) vertical mounting (TRP series is 6 pin and TRPD series is 8 pin). 0.5VA to 24VA single or dual primary voltages. 6 Pin 230 Volt 50/60Hz also available. CSA and UL recognized LR16597, E105782. Class B – 130°C insulation system. Custom sizes, ratings and terminations may be engineered for your specific application.

TRPL Series Line Frequency Magnetics PCB-mount

TRPL Series Power Transformers are line frequency magnetics designed for printed circuit board (PCB) mounting and have low inter-winding capacitance and require no electro-static shield due to separated windings. Dual Primaries 115/230V, 50/60Hz and 2.5VA to48 VA. Industry standard P.C. pin layout. CSA Certified LR 16597; UL recognized E105782. Ideal for solid state control and instrumentation as well as sing or dual output D.C. supplies. Custom sizes, ratings and terminations may be engineered for your specific application.

TRPI Series Line Frequency Magnetics PCB-mount

TRPI Series Low Voltage Rectifier Power Transformers are line frequency magnetics designed in a printed circuit board (PCB) mounted package with 2.5VA to 56VA and 4000VRMS isolation primary and secondary. Industry standard P.C. board layout. Dual primary/secondary windings for series/parallel operation. CSA/UL recognized components. Custom sizes, ratings and terminations may be engineered for your specific application.

TRC Series Line Frequency Magnetics PCB-mount

TRC Series Low Voltage Rectifier Transformers are line frequency magnetics designed in a chassis mount package – open style. CSA certified LR 16597 and UL recognized E105782. Conservative Class A operation with economical channel frame mounting. Split/dual bobbin operation. All secondaries center tapped Class B – 130°C insulation system used. Custom sizes, ratings and terminations may be engineered for your specific application.

TRB Series Line Frequency Magnetics PCB-mount

TRB Series Low Voltage Rectifier Transformers are line frequency magnetics designed in a printed circuit board (PCB) mounted – open style package. CSA certified LR 16597 and UL recognized E105782. Insulated 10″ TEW primary and secondary leads. Secondary winding center tapped. Custom sizes, ratings and terminations may be engineered for your specific application.

TAP Series Line Frequency Magnetics PCB-mount

TAP Series Telecomm Transformers are audio matching telecommunications line frequency magnetics designed for PC board (PCB) mount and feature an economical open P.C. frame mounting with bifilar winding for capacitive and resistive balance. Frequency response 200Hz to 15KHz and insertion loss less than 1.5 dB. Dielectric tested for 250 VRMS. Custom epoxy cast unit available as well as custom sizes, ratings and terminations may be engineered for your specific application.

FTP Series Line Frequency Magnetics PCB-mount

FTP Series Class 2 Transformers are line frequency magnetics designed in a printed circuit board (PCB) mounted package.  These transformers 2.5VA to 50 VA and dual primary voltage 115/230V 50/60 Hz. 400 VRMS dielectric strength tested. Bobbins and shroud meet UL94 VO rating. Most models use energy limiting fuse-less design. Split/dual bobbin construction provides for low capacitive coupling, minimizing noise. No electrostatic shield necessary. High isolation primary to secondary. Designed to meet CSA C22.2 No. 66 and UL1585. Custom sizes, ratings and terminations may be engineered for your specific application.

TRL Series Line Frequency Magnetics/Chassis Mount

TRL Series Low Profile power transformer is a line frequency magnetic component designed in a horizontal core mounted for In chassis or on chassis mounting with color coded flexible wire leads. Dual primary 125/230V 50/60 Hz. CSA certified LR15697 and UL recognized E107872. Custom sizes, ratings and terminations may be engineered for your specific application.

TRE Series Line Frequency Magnetics/Chassis Mount

TRE Series Low Voltage Rectifier power transformers are line frequency magnetics designed in bracket chassis mounted enclosed style and feature insulated 10″ TEW primary and secondary leads. CSA certified LR 16597 and UL recognized E105782. Secondary winding center tapped. Custom sizes, ratings and terminations may be engineered for your specific application.

TRCQ Series Line Frequency Magnetics/Chassis Mount

TRCQ Series Low Voltage Rectifier power transformers are line frequency magnetics designed for channel chassis mounting – open style with combination – solder or quick connect terminals. Split bobbin construction provides for high isolation primary to secondary, low capacitive to minimize line noise, and require no electrostatic shield. Center tapped secondary winding. CSA certified LR15697 and UL recognized E107872. Class B – 130°C insulation system. Custom sizes, ratings and terminations may be engineered for your specific application.

TRCI-TRBI Series Line Frequency Magnetics/Chassis Mount

TRCI-TRBI Series Low Voltage Rectifier power transformers are line frequency magnetics designed in a a bracket chassis mount package and feature a high isolation dual bobbin (UL 94VO) construction that is 4000 V RMS dielectric tested. 25VA to 175VA. CSA certified LR15697 and UL recognized E107872. Class B – 130°C insulation system and designed to meet international standards. Dual primary and secondary windings. Custom sizes, ratings and terminations may be engineered for your specific application.

TCE Series Line Frequency Magnetics/Chassis Mount

TCE Series Control Circuit power transformers are line frequency magnetics with enclosed chassis mounting to allow mounting of control circuit transformers outside of any other electrical enclosure and for coil protection. Access knockouts for cable are integrally provided. Attractive ASA61 grey enamel cover. Size reduced enclosures available. Fully varnish impregnated for quite operation. CSA-NRTL/C certified KR16597. 100VA to 1000VA. Custom sizes, ratings and terminations may be engineered for your specific application.

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Chassis Mount

Chassis mount line frequency magnetics are power transformers packaged in a variety of chassis mount configurations such as horizontal core mount for in or on chassis mounting, enclosed style or open style 2 point and 4 point bracket mounting, enclosed style or open style chassis mounting, channel mounting and more. Additional features include split or dual bobbin construction, meets UL and CSA requirements.

TRL Series Line Frequency Magnetics/Chassis Mount

TRL Series Low Profile power transformer is a line frequency magnetic component designed in a horizontal core mounted for In chassis or on chassis mounting with color coded flexible wire leads. Dual primary 125/230V 50/60 Hz. CSA certified LR15697 and UL recognized E107872. Custom sizes, ratings and terminations may be engineered for your specific application.

TRE Series Line Frequency Magnetics/Chassis Mount

TRE Series Low Voltage Rectifier power transformers are line frequency magnetics designed in bracket chassis mounted enclosed style and feature insulated 10″ TEW primary and secondary leads. CSA certified LR 16597 and UL recognized E105782. Secondary winding center tapped. Custom sizes, ratings and terminations may be engineered for your specific application.

TRCQ Series Line Frequency Magnetics/Chassis Mount

TRCQ Series Low Voltage Rectifier power transformers are line frequency magnetics designed for channel chassis mounting – open style with combination – solder or quick connect terminals. Split bobbin construction provides for high isolation primary to secondary, low capacitive to minimize line noise, and require no electrostatic shield. Center tapped secondary winding. CSA certified LR15697 and UL recognized E107872. Class B – 130°C insulation system. Custom sizes, ratings and terminations may be engineered for your specific application.

TRCI-TRBI Series Line Frequency Magnetics/Chassis Mount

TRCI-TRBI Series Low Voltage Rectifier power transformers are line frequency magnetics designed in a a bracket chassis mount package and feature a high isolation dual bobbin (UL 94VO) construction that is 4000 V RMS dielectric tested. 25VA to 175VA. CSA certified LR15697 and UL recognized E107872. Class B – 130°C insulation system and designed to meet international standards. Dual primary and secondary windings. Custom sizes, ratings and terminations may be engineered for your specific application.

TCE Series Line Frequency Magnetics/Chassis Mount

TCE Series Control Circuit power transformers are line frequency magnetics with enclosed chassis mounting to allow mounting of control circuit transformers outside of any other electrical enclosure and for coil protection. Access knockouts for cable are integrally provided. Attractive ASA61 grey enamel cover. Size reduced enclosures available. Fully varnish impregnated for quite operation. CSA-NRTL/C certified KR16597. 100VA to 1000VA. Custom sizes, ratings and terminations may be engineered for your specific application.

TCC-TCK Series Line Frequency Magnetics/Chassis Mount

TCC-TCK Series Control Circuit power transformers are line frequency magnetics designed in a channel frame mounted package. The most economical transformer style that provides voltage changes from distribution to control levels, and have isolated primary and secondary windings. UL CSA recognized – LR 16597, E105782 and class B – 130°C insulation system utilized. 8″ to 10″ flexible leads standard, custom terminations available as well as custom sizes, ratings and terminations may be engineered for your specific application.

TC Series Control Circuit power transformers are line frequency magnetics featuring a traditional heavy duty four-point bracket chassis mounting and binding head screw terminals. UL CSA recognized – LR 16597, E105782. Multiple primary and secondary voltage combinations available. Varnish impregnated and baked for quiet operation. Custom sizes, ratings and terminations may be engineered for your specific application.

FTC-FTD-FTK Series Line Frequency Magnetics/Chassis Mount

FTC-FTD-FTK Series Class 2 power transformers are line frequency magnetics chassis mount designed packaged used in low frequency applications.  These energy-limiting wired in transformer featuring a rugged all steel construction providing excellent heat dissipation and electromagnetic shielding. Fully threaded steel conduit nipple provides strong positive mounting. Secondary wiring terminals available in combination screw / .25″ male quick connects. Vacuum varnish impregnated and oven baked to insure quiet trouble free operation. Most models are Custom sizes, ratings and terminations may be engineered for your specific application.

CHC Series Line Frequency Magnetics/Chassis Mount

CHC Series Chokes are line frequency magnetics designed in a channel bracket mounted chassis for low frequencies with inductance to 30 henries – current to 10 amps. Termination via 8″ leads – other lead lengths optional. CSA certified LR 16597-50 for designs up to 70 Amps and 600 Volts. Vacuum varnish impregnated and oven baked for quiet operating. Custom sizes, ratings and terminations may be engineered for your specific application.

CHB Series Reactors are line frequency magnetics designed in an L’ bracket mounted chassis with inductance to 100 millihenries – current to 50 amps. Termination via screw terminals. CSA certified LR 16597-50 for designs up to 70 Amps and 600 Volts. Vacuum varnish impregnated and oven baked for quiet operating. Custom sizes, ratings and terminations may be engineered for your specific application.

Inductors & Chokes

Standex Electronics offers a full line of low frequency power transformers, power inductors and chokes (common mode) in standard and custom toroidal inductor and surface mount (SMD) designs. Our low cost power inductors are ideal in power supply & EMI/RFI filter applications that require low radiated emissions. We have products to fit most needs in the 50/60Hz to 400Hz range. Most of these products are UL/CSA recognized or are designed to meet UL/ CSA/VDE requirements – with other agency approvals gained as needed.

SJ / SU Series Magnetics, Inductors & Chokes/Toroidal & SMD

SJ / SU Series High Frequency Toroidal Power Inductor packaged in a surface mount design (SMD) is ideal where space and weight are critical and surface mount is required. When used as power inductors, they may be connected for higher current lower inductance or lower current higher inductance. When used as 1:1 transformers (coupled inductors) they provide electrical isolation. May be manufactured with economical powdered iron cores or higher performance low loss cores. Other core materials available for a variety of applications and custom sizes and values may be engineered for your specific application.

CM Series Magnetics, Inductors & Chokes/Toroidal & SMD

CM Series High/Low Frequency Toroidal Common Mode Choke for EMI/RFI applications is designed for common mode noise up to 30 MHz on A.C. and D.C lines. Build your own standard part number to give exactly the value you require, within an economical family of standard core sizes. Available configured vertically or horizontally, with or without a base. Custom sizes and values may be engineered for your specific application.

CI CJ Series Magnetics, Inductors & Chokes/Toroidal & SMD

CI CJ Series High Frequency Toroidal Differential Mode Power Inductor used for switching power supply, EMI/RFI filter and other applications that require low radiated emissions. CI series inductors are designed primarily for switching power supply applications up to 75 KHz. CJ series power inductors are designed primarily for higher frequency switching power supply applications from 50 to 500 Khz. Build your own standard part number to give exactly the value you require, within an economical family of standard core sizes. Available configured horizontally or vertically, with or without a base. Custom sizes and values may be engineered for your specific application.

Other Packages

Other packages line frequency magnetics such as our auto power transformers, low voltage lighting transformers, and class 2 power transformers which feature a highly isolated, wired-in high impact resistant plastic case.  Additionally they are available in custom sizes, ratings and terminations may be engineered for your specific application.

TLE-TLB-FPT Series Line Frequency Magnetics/Other Packages

General purpose TLE TLB FPT Series Low Voltage Lighting power transformers with secondary protection and double insulation are suitable for low voltage lighting circuits. Dielectric strength tested to CSA/UL standards. Enclosed models include secondary circuit protection. Toroid models are supplied with necessary mounting hardware. Custom sizes, ratings and terminations may be engineered for your specific application. Some models CSA certified to TIL-B45 as suitable for use with “trapeze lighting systems”.

TA-TAE-FPT Series Line Frequency Magnetics/Other Packages

TA-TAE-FPT Series Auto power transformers are line frequency magnetics designed in an open, enclosed package with an economical method of changing voltage levels. These auto transformers are widely used to operate electrical equipment outside of North America. Typically 50% smaller than similar isolation transformers. All models are 50/60Hz, 230V-115V or 115V -230V. Laminated units are varnished impregnated for quiet operation with 10″ leads standard. Some models CSA / UL recognized LR16597, E105782. Class B – 130°C insulation system utilized. Dielectric standards to CSA/UL standards. Custom sizes, ratings and terminations may be engineered for your specific application.

FPS Series Line Frequency Magnetics/Other Packages

FPS Series Class 2 power transformers energy-limiting wall plug line frequency magnetic transformer with output voltage limited to meet the requirements for connection to Class 2 circuits as defined in the electrical code plugs into any North American standard duplex receptacle CSA (NRTL/C) certified to C22.2 No. 223-M91 and UL 1310. Rugged, high-impact, flame retardant thermoplastic enclosure with secondary screw terminals hidden and protected from accidental shorting. Also available with flexible secondary line cord and jacks for special applications. The fail-safe protection designed into the transformer allows the use of lightweight, unprotected “bell” wiring in applications such as door chimes, buzzers, intercoms, security devices, thermostats, central vacuum systems, low voltage lighting control, remote control, etc.

FTA Series Class 2 Transformers

FTA Series Class 2 power transformers energy-limiting cord connected line frequency magnetic transformer with output voltage limited to meet the requirements for connection to Class 2 circuits as defined in the electrical code CSA (NRTL/C) certified to C22.2 No. 223-M91.

CA Series Line Frequency Magnetics/Other Packages

Fully certified CA Series Class 2 power transformers are line frequency magnetics featuring a highly isolated, wired-in high impact resistant plastic case that requires no extra grounding. Available in 120V 60Hz primary models or 240V 50/60Hz primary models. Combination screw / .25″ male quick connect secondary terminals with integrated 1/2″ conduit nipple mounting and optional panel mount bracket available. Fuse-less energy limiting winding. CSA and UL approved models available. Custom sizes, ratings and terminations may be engineered for your specific application.

PCB Mount

PCB mount line frequency power transformers come in a variety printed circuit board (PCB) through hole mount configurations for industry standard PC board layout.  Split bobbin construction provides for: high isolation primary to secondary, low capacitive coupling minimizes line noise, no electrostatic shield necessary. Power transformers are dielectric tested to industry UL and CSA standards.

TRPH Series Line Frequency Magnetics PCB-mount

TRPH Series Horizontal Split Bobbin Power Transformers are line frequency magnetics designed for printed circuit board (PCB) mounting. Split bobbin construction provides for high isolation primary to secondary, low capacitive to minimize line noise, and require no electrostatic shield. Single 115V or dual 115/230V primaries. Split secondaries allow series, parallel or dual operation. CSA certified LR15697 and UL recognized E107872. Class B – 130°C insulation system. Custom sizes, ratings and terminations may be engineered for your specific application.

TRP-TRPD Series Line Frequency Magnetics PCB-mount

TRP-TRPD Series Low Voltage Rectifier Power Transformers are line frequency magnetics designed for printed circuit board (PCB) vertical mounting (TRP series is 6 pin and TRPD series is 8 pin). 0.5VA to 24VA single or dual primary voltages. 6 Pin 230 Volt 50/60Hz also available. CSA and UL recognized LR16597, E105782. Class B – 130°C insulation system. Custom sizes, ratings and terminations may be engineered for your specific application.

TRPL Series Line Frequency Magnetics PCB-mount

TRPL Series Power Transformers are line frequency magnetics designed for printed circuit board (PCB) mounting and have low inter-winding capacitance and require no electro-static shield due to separated windings. Dual Primaries 115/230V, 50/60Hz and 2.5VA to48 VA. Industry standard P.C. pin layout. CSA Certified LR 16597; UL recognized E105782. Ideal for solid state control and instrumentation as well as sing or dual output D.C. supplies. Custom sizes, ratings and terminations may be engineered for your specific application.

TRPI Series Line Frequency Magnetics PCB-mount

TRPI Series Low Voltage Rectifier Power Transformers are line frequency magnetics designed in a printed circuit board (PCB) mounted package with 2.5VA to 56VA and 4000VRMS isolation primary and secondary. Industry standard P.C. board layout. Dual primary/secondary windings for series/parallel operation. CSA/UL recognized components. Custom sizes, ratings and terminations may be engineered for your specific application.

TRC Series Line Frequency Magnetics PCB-mount

TRC Series Low Voltage Rectifier Transformers are line frequency magnetics designed in a chassis mount package – open style. CSA certified LR 16597 and UL recognized E105782. Conservative Class A operation with economical channel frame mounting. Split/dual bobbin operation. All secondaries center tapped Class B – 130°C insulation system used. Custom sizes, ratings and terminations may be engineered for your specific application.

TRB Series Line Frequency Magnetics PCB-mount

TRB Series Low Voltage Rectifier Transformers are line frequency magnetics designed in a printed circuit board (PCB) mounted – open style package. CSA certified LR 16597 and UL recognized E105782. Insulated 10″ TEW primary and secondary leads. Secondary winding center tapped. Custom sizes, ratings and terminations may be engineered for your specific application.

TAP Series Line Frequency Magnetics PCB-mount

TAP Series Telecomm Transformers are audio matching telecommunications line frequency magnetics designed for PC board (PCB) mount and feature an economical open P.C. frame mounting with bifilar winding for capacitive and resistive balance. Frequency response 200Hz to 15KHz and insertion loss less than 1.5 dB. Dielectric tested for 250 VRMS. Custom epoxy cast unit available as well as custom sizes, ratings and terminations may be engineered for your specific application.

FTP Series Line Frequency Magnetics PCB-mount

FTP Series Class 2 Transformers are line frequency magnetics designed in a printed circuit board (PCB) mounted package.  These transformers 2.5VA to 50 VA and dual primary voltage 115/230V 50/60 Hz. 400 VRMS dielectric strength tested. Bobbins and shroud meet UL94 VO rating. Most models use energy limiting fuse-less design. Split/dual bobbin construction provides for low capacitive coupling, minimizing noise. No electrostatic shield necessary. High isolation primary to secondary. Designed to meet CSA C22.2 No. 66 and UL1585. Custom sizes, ratings and terminations may be engineered for your specific application.

Toroidal

Our power transformers or toroidal line frequency transformers are available as bare toroids which can be integrated into the devices themselves or as toroids housed in enclosures with circuit breakers, fused input, plug-ins and other user-friendly options. Toroidal Wound - Where a round "donut shaped" core of continuous strip electrical grade steel has the coils wound directly on to it. The magnetic coupling achieved is extremely good, and results in a smaller high efficiency power transformer suited to applications where weight, noide, stray magnetic field and efficiency are very important.  Portable medical equipment and test equipment, audio amplifiers, CRT displays are a few products to benefit from this modern construction technique. Compliant with UL/IEC 60601 specifications, these transformers feature extremely low leakage current between primary.

FPT Line Frequency Magnetics/Toroidal

FPT Series Power Toroidal Transformers offers 44 standard models from 15VA to 500 VA. Dual 115/230V 50/60Hz rated primary and dual secondaries for series or parallel selection with class B 130°C insulation system utilized. Low radiated magnetic field. CSA and UL recognized components LR16597, E105782. Dielectric tested to UL/CSA standards. Custom sizes, ratings and terminations may be engineered for your specific application. ATC-Frost UL / CSA family recognition assures fast, trouble free approval of your equipment. Toroidal transformer designs are typically 50% lighter and much more compact than traditional EI laminated transformers. Custom toroid transformer dimensions may be varied to accommodate alternate dimensional requirements such as low profile or slim line equipment. Low stray magnetic fields compared to traditional EI laminated transformers. Low noise – toroidal construction ensures that mechanical hum” will be minimal.

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