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Standex Electronics Announces New RF Reed Relays – Part 1

Excellent RF switching components for continuous wave RF and Digital RF

Cincinnati, OH – September 20, 2013 — Standex Electronics, a manufacturer of precise, reliable, and long-lasting miniature switches, sensors and relays, announces their new RF reed relays. Reed relays have the ability to switch and carry RF signals and fast digital pulses. Several key component parameters must be understood in order to properly design an RF circuit using reed relays. To learn more about RF reed relays go to Digi-Key Corporation’s Product Training Module.

RF use to be used in radio transmitters and receivers, radar tracking systems, and other test equipment to supports these applications. Today it is used in all cellular telephones. RF systems are coupled with fast digital pulse usage. These pulses run the digital world and may require the same circuitry that carries RF signals. They are used in computers, laptops, digital components in cellphones, digital phone systems, integrated circuit testers, and more.

RF is dependent on the physical layout or signal path it takes while going through circuits and the components that make up those circuits. For best RF performance the characteristic impedance must be consistent along the entire path signal. So at any given point, at the entry, thru the reed relay, and exiting the relay, the characteristic impedance must be maintained at 50 Ohms. The physical layout of a reed relay has a direct bearing on the RF signal’s success going into and out of the reed relay. The materials making up the reed relay are also important.

Standex Electronics reed relays represent excellent RF switching components both for continuous wave RF and digital RF pulses. The reed relay RF design is most dependent on its geometric and the material makeup. Careful design and material selection is critical. Designers using the RF reed relays must match the impedance entering and exiting the relay. Maintaining pure 50 Ohms impedance on the PCB, through the reed relay, and back onto the PCB is critical to maintain the RF path.

About Standex Electronics

Standex Electronics is a worldwide market leader in the design, development and manufacture of standard and custom electro-magnetic components, including magnetics products and reed switch-based solutions.

Our magnetic offerings include planar, Rogowski, current, and low- and high-frequency transformers and inductors. Our reed switch-based solutions include Meder, Standex and OKI brand reed switches, as well as a complete portfolio of reed relays, and a comprehensive array of fluid level, proximity, motion, water flow, HVAC condensate, hydraulic pressure differential, capacitive, conductive and inductive sensors.

We offer engineered product solutions for a broad spectrum of product applications in the automotive, medical, test and measurement, military and aerospace, as well as appliance and general industrial markets.

Standex Electronics has a commitment to absolute customer satisfaction and customer-driven innovation, with a global organization that offers sales support, engineering capabilities, and technical resources worldwide.

Headquartered in Cincinnati, Ohio, USA, Standex Electronics has eight manufacturing facilities in six countries, located in the United States, Germany, China, Mexico, the United Kingdom, and Canada.

For more information on Standex Electronics, please visit us on the web at

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Julie Dargie
Standex Electronics
+1-508-295-0771 ext. 111
Brian Siegel
Standex Electronics



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