About Variable Inductors

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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(Ex. GST)(▲▼)		Enter Qty InductanceToleranceQ MinimumTest FrequencyOperating Temperature RangeTermination Style
  
          
144-10J12L


Variable Inductors 144 Unicoil Tunable 18.5 mOhms 7 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 0
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USD 1.3981
Multiples of: 1

442 nH 16250 MHz Radial
148-07J12L


Variable Inductors 148 Lw Prfile Tunble 50 MHz Violet
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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 0
6 to 16 Weeks Calender.png

USD 1.3981
Multiples of: 1

222 nH 11050 MHz Radial
144-06J12L


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 0
6 to 16 Weeks Calender.png

USD 1.3981
Multiples of: 1

250 nH 15450 MHz Radial
144-04J12L


Variable Inductors 144 Unicoil Tunable 10.9 mOhms 9 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 0
6 to 16 Weeks Calender.png

USD 1.3981
Multiples of: 1

164 nH 15050 MHz Radial
148-13J12L


Variable Inductors 148 Lw Prfile Tunble 25 MHz Orange
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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 0
6 to 16 Weeks Calender.png

USD 1.3981
Multiples of: 1

540 nH 6425 MHz Radial
144-05J12L


Variable Inductors 144 Unicoil Tunable 12.1 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 0
6 to 16 Weeks Calender.png

USD 1.3981
Multiples of: 1

207 nH 15450 MHz Radial
144-07J12L


Variable Inductors 144 Unicoil Tunable 14.7 mOhms 7.8 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 0
6 to 16 Weeks Calender.png

USD 1.3981
Multiples of: 1

298 nH 15850 MHz Radial
143-12J12L


Variable Inductors 143 Unicoil Tunable 20.5 mOhms 6.6 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 0
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USD 1.3981
Multiples of: 1

764 nH 8450 MHz Radial
142-05J08L


Variable Inductors 142 Unicoil Tunable 11.9 mOhms 10.5 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 0
6 to 16 Weeks Calender.png

USD 1.3981
Multiples of: 1

256 nH 12250 MHz Radial
144-03J12L


Variable Inductors 144 Unicoil Tunable 9.7 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 0
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USD 1.3981
Multiples of: 1

123 nH 14750 MHz Radial
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