Leaded Inductors

Leaded inductors are components with through hole features and leads attached concentrically to the opposite ends of the inductor cores. They act as resistors to changes in currents and absorb EMI (electromagnetic interference) which could affect the status of electrical circuits in devices.

Leaded inductors are composed of coils wrapped around magnetic cores and store energy in the form of a magnetic field.

What are leaded inductors used for?

They are used to suppress asymmetrical interferences in low-voltage and high-voltage circuits.

With low voltages, they act as continuous circuits to keep the current flowing if there are interferences. With high voltages, they are able to prevent current from flowing due to their high resistance, thus are used to protect the circuit from voltage spikes.

Types of leaded inductors

Leaded inductors come in two main categories:

  • VHF (very high frequency) versions are used for line voltage applications to block or filter EMI in small applications or for decoupling in telecom and entertainment electronics.
  • RF (radio frequency) versions are used in low-frequency applications of signal and control circuits and are designed to block radio frequencies while allowing audio signals to be transmitted.

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Description Price Inductance Maximum DC Current Mounting Type Maximum DC Resistance Tolerance Diameter Length Depth Height Dimensions Core Material Maximum Self Resonant Frequency Lead Pitch Series
RS Stock No. 104-8430
BrandRS PRO
$1.304
Each (In a Pack of 10)
units
33 μH 3A Radial 38mΩ ±15% 19mm - - 8mm 19 (Dia.) x 8mm - - - DP
RS Stock No. 104-8433
BrandRS PRO
$2.542
Each (In a Pack of 5)
units
1 mH 1A Radial 426mΩ ±15% 26mm - - 13mm 26 (Dia.) x 13mm - - - DP
RS Stock No. 173-0207
BrandRS PRO
$30.626
Each (In a Box of 480)
units
330 μH 500mA Radial 265mΩ ±15% 15mm - - 9mm 15 (Dia.) x 9mm - - - DP
RS Stock No. 173-0032
BrandRS PRO
$1.339
Each (In a Box of 300)
units
100 μH 2A Radial 109mΩ ±15% 19mm - - 8mm 19 (Dia.) x 8mm - - - DP
RS Stock No. 104-8420
BrandRS PRO
$1.57
Each (In a Pack of 5)
units
150 μH 1A Radial 123mΩ ±15% 15mm - - 9mm 15 (Dia.) x 9mm - - - DP
RS Stock No. 228-163
BrandRS PRO
$4.14
Each
units
47 μH 760mA Axial - - 3.3mm 9.14mm - - 3.3 (Dia.) x 9.14mm Ferrite - - APIE0309
RS Stock No. 104-8428
BrandRS PRO
$1.348
Each (In a Pack of 10)
units
100 μH 2A Radial 109mΩ ±15% 19mm - - 8mm 19 (Dia.) x 8mm - - - DP
RS Stock No. 173-0224
BrandRS PRO
$39.792
Each (In a Box of 480)
units
220 μH 1A Radial 196mΩ ±15% 15mm - - 9mm 15 (Dia.) x 9mm - - - DP
RS Stock No. 173-0223
BrandRS PRO
$39.792
Each (In a Box of 480)
units
150 μH 1A Radial 123mΩ ±15% 15mm - - 9mm 15 (Dia.) x 9mm - - - DP
RS Stock No. 173-0037
BrandRS PRO
$1.70
Each (In a Box of 160)
units
100 μH 3A Radial 80mΩ ±15% 25mm - - 12mm 25 (Dia.) x 12mm - - - DP
RS Stock No. 751-1838
Mfr. Part No.7G17A-220M
$5.20
Each
units
22 μH 13A Radial 18mΩ ±20% - 17.5mm 15mm 19.3mm 17.5 x 15 x 19.3mm - - 8.5 mm, 12.5 mm 7G17A
RS Stock No. 163-3405
Mfr. Part No.744825510
$8.94
Each (In a Tray of 20)
units
10 mH 5A Radial 55mΩ ±30% - 30.5mm 21mm 35mm 30.5 x 21 x 35mm - - 25mm WE-CMB HC
RS Stock No. 489-0419
Mfr. Part No.744825510
$8.94
Each
units
10 mH 5A Radial 55mΩ ±30% - 30.5mm 21mm 35mm 30.5 x 21 x 35mm - - 25mm WE-CMB HC
RS Stock No. 191-0649
Mfr. Part No.B78108S1224J000
BrandEPCOS
$0.612
Each (In a Pack of 10)
units
220 μH 250mA Axial 3.3Ω ±5% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 3.7MHz - BC
RS Stock No. 167-8363
Mfr. Part No.B78108S1224J000
BrandEPCOS
$0.232
Each (On a Reel of 5000)
units
220 μH 250mA Axial 3.3Ω ±5% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 3.7MHz - BC
RS Stock No. 811-8862
Mfr. Part No.RLB0914-681KL
BrandBourns
$0.428
Each (In a Bag of 10)
units
680 μH 400mA Radial 1.6Ω ±10% 8.7mm - - 12mm 8.7 (Dia.) x 12mm Ferrite 1.6MHz 5mm RLB
RS Stock No. 172-8361
Mfr. Part No.RLB0914-681KL
BrandBourns
$0.306
Each (In a Bag of 200)
units
680 μH 400mA Radial - ±10% 8.7mm - - 12mm 8.7 (Dia.) x 12mm Ferrite 1.6MHz 5mm RLB
RS Stock No. 751-1847
Mfr. Part No.7G17B-330M
$6.46
Each
units
33 μH 7.5A Radial 10.7mΩ ±20% - 17.5mm 15mm 19.3mm 17.5 x 15 x 19.3mm - - 8.5 mm, 12.5 mm 7G17B
RS Stock No. 162-0152
Mfr. Part No.B82726S6123N020
BrandEPCOS
$16.66
Each (In a Box of 60)
units
3.3 mH 12A Radial 8.4mΩ ±30% - 52mm 28mm 55mm 52 x 28 x 55mm Ferrite 10kHz 35.65mm B82726S
RS Stock No. 871-1389
Mfr. Part No.B82726S6123N020
BrandEPCOS
$20.04
Each
units
3.3 mH 12A Radial 8.4mΩ ±30% - 52mm 28mm 55mm 52 x 28 x 55mm Ferrite 10kHz 35.65mm B82726S
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