About Inductors, Chokes & Coils

A coil, inductor, or choke is a passive electrical component that stores energy in its magnetic field. The primary form of coils consists of a wire wound around a metallic core, usually shaped like a cylinder or disk. When current flows through the coil, its magnetic field is created and the stored energy increases proportionally to the current. Inductors are used to create an inductive reactance in an LC circuit where capacitive reactance is present. This causes the reactance to oppose changes in current and can be used to filter the currents. Chokes consist of several turns of insulated wire wound around a single core or multiple cores that can be used to reduce AC ripple or oscillations in power circuits. They are also used to filter or reduce the amplitude of alternating current signals. Coils are used for a variety of applications, including transformers, motors, generators, and antennas.

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EC36-10UH-TB-N


10UH 10% CHOKE 6*4MM AXIAL CHOKE INDUCTOR TAPED
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Netech 12347
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USD 0.0425
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PKDR2W8X-LEADED


PK-DR2W8X12-221J-A46X-BK-OT 220UH RADIAL PCB CHOKE
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TV Coil 11393
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USD 1.4459
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BL01RN1-A62-112


BL01RN1-A62B1-LOOSE AXIAL FERRITE BEAD CHOKE
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Murata 7110
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USD 0.1217
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EC46-472K-TB-N/LEAD


4700UH 10% CHOKE 6*4MM AXIAL CHOKE INDUCTOR TAPED
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Netech 4935
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USD 0.0595
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EC46-3R3


EC46-3R3K 3R3UH AXIAL CHOKE INDUCTOR TAPED
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TV Coil 4850
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USD 0.0675
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4322-021-31780


CLI/P-RM6 FERRITE CLIP
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Ferroxcube 4333
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USD 0.0844
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SQ4532-471K2B


470UH INDUCTOR WOUND SMD INDUCTOR
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ABC 3880
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USD 0.1317
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PE-0805CD560GTT


Fixed Inductors SMD IND
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Pulse 3880
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USD 0.2986
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PE-0603CD221JTT


PE-0603CD221JTT MH1608-R22JS INDUCTOR 220NH5%
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Pulse 3850
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USD 0.1151
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PE-0603CD220JTT


PE-0603CD220JTT MH1608-22NJS INDUCTOR 22NH5%
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Pulse 3734
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USD 0.1151
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