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
  
          
143-11J12L


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 0
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USD 1.3981
Multiples of: 1

708 nH 7850 MHz Radial
142-09J08L


Variable Inductors 142 Unicoil Tunable 16.9 mOhms 8.9 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

520 nH 11050 MHz Radial
144-09J12L


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 0
6 to 16 Weeks Calender.png

USD 1.3981
Multiples of: 1

387 nH 16250 MHz Radial
148-03J12L


Variable Inductors 148 Lw Prfile Tunble 50 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

73 nH 10650 MHz Radial
142-06J08L


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.

Coilcraft 0
6 to 16 Weeks Calender.png

USD 1.3981
Multiples of: 1

315 nH 11250 MHz Radial
148-10J12L


Variable Inductors 148 Lw Prfile Tunble 25 MHz Black
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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

375 nH 9025 MHz Radial
148-12J12L


Variable Inductors 148 Lw Prfile Tunble 25 MHz Red
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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

500 nH 6625 MHz Radial
148-04J12L


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

USD 1.3981
Multiples of: 1

101 nH 11250 MHz Radial
143-16J12L


Variable Inductors 143 Unicoil Tunable 25.2 mOhms 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

1.08 uH 7450 MHz Radial
143-20J12L


Variable Inductors 143 Unicoil Tunable 30 mOhms 5.5 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
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USD 1.3981
Multiples of: 1

1.4 uH 9250 MHz Radial
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