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Chokes & Coils

Circuit Specialists has everything from economy miniature epoxy-coated chokes to high-voltage trigger transformers in our catalog of choice chokes and coils. We carry molded chokes and coils, adjustable VHF/UHF coils, and vertical PC-mounted adjustable RF coils to suit your specific needs. Our toroidal cores are exceedingly efficient as transformers and have reduced electromagnetic interference due to the units' shape and even winding.

Molded Chokes & Coils

Our selection of 9210, 9230, 9250, and 9310 series molded coils and molded RF chokes for your electronics needs.

Adjustable VHF/UHF Coils

Our 0.100-0.116 49A series and 0.270-0.351 48A series adjustable VHF/UHF coils are inexpensive, reliable, and suppress parasitics.

Economy Miniature Epoxy-Coated Chokes

Low-cost, low DCR miniature epoxy-coated chokes — .22, .33, 1.0, 2.2, 3.3, 4.7, 10.0, 22.0, 33.0, 47.0, 100.0, and 1000.0 UH available.

H/V Trigger Transformers

Our selection of compact, high voltage trigger transformers for applications requiring a high voltage pulse. 300 input volts and 4000 output volts.

Vertical PC-Mount Adjustable RF Coils

Our selection of vertical PC-mounted adjustable RF coils — .095-.125, .130-.170, .185-.265, .285-.410, .420-.580, 4.60-8.50, 14.8-27.5 UH, etc.

Subminiature RF Chokes

Subminiature RF chokes are passive inductors that block high-frequency alternating current while allowing lower frequency direct current through. Ratings from 2.2mH to 820uH.

Chokes & Coils

Molded Chokes & Coils

Adjustable VHF/UHF Coils

Economy Miniature Epoxy-Coated Chokes

H/V Trigger Transformers

Vertical PC-Mount Adjustable RF Coils

Subminiature RF Chokes