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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142-07J08SL


Variable Inductors 142 Unicoil Tunable 14.5 mOhms 9.6 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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280 nH 9050 MHz Radial
146-06J08SL


Variable Inductors 146 Unicoil Tunable 14.5 mOhms 8.3 A
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Coilcraft Availability : 0
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USD 1.6538
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134 nH 8250 MHz Radial
144-02J12SL


Variable Inductors 144 Unicoil Tunable 8.6 mOhms 10 A
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Coilcraft Availability : 0
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USD 1.6538
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74 nH 9850 MHz Radial
146-03J08SL


Variable Inductors 146 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 1.6538
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76 nH 8450 MHz Radial
143-12J12SL


Variable Inductors 143 Unicoil Tunable 20.5 mOhms 6.6 A
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USD 1.6538
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509 nH 8050 MHz Radial
146-07J08SL


Variable Inductors 146 Unicoil Tunable 15.6 mOhms 8 A
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USD 1.6538
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156 nH 8050 MHz Radial
142-02J08SL


Variable Inductors 142 Unicoil Tunable 8.4 mOhms 12.5 A
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USD 1.6538
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86 nH 8350 MHz Radial
142-05J08SL


Variable Inductors 142 Unicoil Tunable 11.9 mOhms 10.5 A
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USD 1.6538
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197 nH 9450 MHz Radial
146-09J08SL


Variable Inductors 146 Unicoil Tunable 19.4 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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65 nH 7850 MHz Radial
142-06J08SL


Variable Inductors 142 Unicoil Tunable 13.2 mOhms 10 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.

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USD 1.6538
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240 nH 9450 MHz Radial
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