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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144-06J12SL


Variable Inductors 144 Unicoil Tunable 13.6 mOhms 8.1 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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175 nH 10650 MHz Radial
144-09J12SL


Variable Inductors 144 Unicoil Tunable 17.1 mOhms 7.2 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 1.6538
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256 nH 10850 MHz Radial
142-04J08SL


Variable Inductors 142 Unicoil Tunable 10.8 mOhms 11.1 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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156 nH 8850 MHz Radial
143-10J12SL


Variable Inductors 143 Unicoil Tunable 17.9 mOhms 7.1 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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416 nH 8250 MHz Radial
144-08J12SL


Variable Inductors 144 Unicoil Tunable 15.9 mOhms 7.5 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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226 nH 10850 MHz Radial
144-05J12SL


Variable Inductors 144 Unicoil Tunable 12.1 mOhms 8.6 A
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Coilcraft Availability : 0
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USD 1.6538
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149 nH 10150 MHz Radial
144-04J12SL


Variable Inductors 144 Unicoil Tunable 10.9 mOhms 9 A
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Coilcraft Availability : 0
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USD 1.6538
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122 nH 10050 MHz Radial
142-08J08SL


Variable Inductors 142 Unicoil Tunable 15.7 mOhms 9.2 A
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Coilcraft Availability : 0
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USD 1.6538
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322 nH 8650 MHz Radial
164-11A06L


Variable Inductors 164 Unicoil Tunable 100 MHz 2.3 A
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Coilcraft Availability : 0
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USD 2.487
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246 nH 55  Radial
164-07A06L


Variable Inductors 164 Unicoil Tunable 100 MHz 3.1 A
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USD 2.487
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150 nH 68  Radial
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