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Passive Devices

Virtually every electronic circuit and/or system requires many passive devices in every section of a given circuit. This is true for a wide variety of applications, from solar and wind power inverters to radar systems, cellular/WiMAX base stations, and industrial power supplies.

It is said of any circuit design, that if the semiconductor devices are the "heart and brains" then the passive devices are its "other critical organs". To help you design-in the best passive devices for your circuit design, Richardson Electronics stocks and supports the passive devices included below.

Audio Transformer & Choke

Description | As a leading producer of high quality transformers for more than 80 years, Hammond Manufacturing is a name you can trust for your line, power, pulse, chokes, audio and classic audio transformer needs. Richardson Electronics offers the full line of Hammond Manufacturing's transformers to meet your n...

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Coils

Description | Richardson Electronics can design, fabricate and manufacture coils to your exact specifications for a variety of applications, including: Pulse Forming Networks RF Distribution Networks RF MatchesTuningMany more Our in-house coil manufacturing and testing capabilities allow us to maintain strict...

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Ferrite Rod

Description | Ferrite Rods are prepared from a combination of various ferrite materials to concentrate the energy of the HF generator into the welding area. Richardson Electronics offers ferrite rods in four shapes:ZR = Ferrite, RoundZRS = Ferrite, Round w/SlotsZRH = Ferrite, Round w/HoleZRSH = Ferrite, Round w/S...

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Impeder

Description | National Electronics' impeders enable high frequency welders to direct more RF power to a weld, eliminating waste heat generated inside the pipe. The placement of the proper size (and material) impeder in the correct proximity to the weld line will effectively eliminate the inside circulating curren...

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Impeder Casing

Description | Richardson Electronics offers impeder mounting hardware, impeder testers and induction coils for your pipe welding operation, as well as high quality impeders for the pipe manufacturing industry. Impeder casings are available in the following materials: Epoxy Glass--Least expensive, most wear resist...

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