About Variable Inductors

Coilcraft Variable Inductors

A variable inductor is an inductor whose inductance can be easily adjusted by changing an external variable, such as a sliding contact or variable capacitor. Variable inductors are used in radio frequency (RF) circuits to tune radios and other electronic equipment to specific frequencies. They are also used to create and shape waveforms for signal conditioning in electrical circuits.Variable inductors typically consist of a coil of wire wound around a core of adjustable ferrite or iron. A sliding contact on the core, or a variable capacitor connected in parallel with the inductor, allows for the inductance to be altered. By changing the relative positions of the contact, or changing the capacitance of the capacitor, the amount of inductance in the circuit is changed. As the inductance increases, the frequency of the circuit decreases and vice versa. This allows the circuit to be tuned to a specific frequency with great accuracy.

Variable Inductors

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150-04J08L


Variable Inductors 150 Unicoil Tunable 11.6 mOhms 9.3 A
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Coilcraft Availability : 0
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USD 1.5917
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292 nH 7250 MHz Radial
150-03J08L


Variable Inductors 150 Unicoil Tunable 10.5 mOhms 9.8 A
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Coilcraft Availability : 0
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USD 1.5917
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240 nH 7850 MHz Radial
150-06J08L


Variable Inductors 150 Unicoil Tunable 14.7 mOhms 8.2 A
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Coilcraft Availability : 0
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USD 1.5917
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405 nH 6650 MHz Radial
143-11J12SL


Variable Inductors 143 Unicoil Tunable 19.2 mOhms 6.8 A
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Coilcraft Availability : 0
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USD 1.6538
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468 nH 7850 MHz Radial
142-10J08SL


Variable Inductors 142 Unicoil Tunable 18 mOhms 8.6 A
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Coilcraft Availability : 0
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USD 1.6538
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410 nH 8250 MHz Radial
144-03J12SL


Variable Inductors 144 Unicoil Tunable 9.7 mOhms 9.6 A
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Coilcraft Availability : 0
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USD 1.6538
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99 nH 9850 MHz Radial
143-13J12SL


Variable Inductors 143 Unicoil Tunable 21.7 mOhms 6.4 A
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Coilcraft Availability : 0
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USD 1.6538
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556 nH 8050 MHz Radial
143-17J12SL


Variable Inductors 143 Unicoil Tunable 26.4 mOhms 5.8 A
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Coilcraft Availability : 0
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USD 1.6538
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770 nH 7650 MHz Radial
143-19J12SL


Variable Inductors 143 Unicoil Tunable 28.9 mOhms 5.6 A
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Coilcraft Availability : 0
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USD 1.6538
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846 nH 8050 MHz Radial
143-15J12SL


Variable Inductors 143 Unicoil Tunable 23.9 mOhms 6.1 A
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Coilcraft Availability : 0
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USD 1.6538
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660 nH 8050 MHz Radial
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