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 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 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 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.
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