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. 871-1363
Mfr. Part No.B82726S2163N030
BrandEPCOS
TWD285.00
Each
units
2.2 mH 16A Radial 7.1mΩ ±30% - 50mm 23mm 49mm 50 x 23 x 49mm Ferrite 10kHz 18mm B82726S
RS Stock No. 811-8786
Mfr. Part No.RLB0914-101KL
BrandBourns
TWD6.90
Each (In a Bag of 10)
units
100 μH 1A Radial 280mΩ ±10% 8.7mm - - 12mm 8.7 (Dia.) x 12mm Ferrite 3.5MHz 5mm RLB
RS Stock No. 228-141
BrandRS PRO
TWD64.00
Each
units
10 μH 750mA Axial 95mΩ - 3.3mm 9.14mm - - 3.3 (Dia.) x 9.14mm Ferrite - - APIE0309
RS Stock No. 800-4350
Mfr. Part No.11R104C
TWD9.60
Each (In a Bag of 5)
units
100 μH 350mA - 1.1Ω ±10% 5mm - - 7.5mm 5 (Dia.) x 7.5mm - 1kHz 2mm 1100R
RS Stock No. 163-3339
Mfr. Part No.744772100
TWD25.50
Each (In a Tray of 140)
units
10 μH 2.6A Radial 40mΩ ±20% 8.3mm - - 10mm 8.3 (Dia.) x 10mm Ferrite - 5mm WE-TI
RS Stock No. 167-0257
Mfr. Part No.B82730U3451A020
BrandEPCOS
TWD50.20
Each (In a Box of 728)
units
10 mH 450mA Radial 1.75Ω -30 → +50% - 16.5mm 11mm 16.5mm 16.5 x 11 x 16.5mm Ferrite 10kHz 8mm B82730U
RS Stock No. 233-5134
Mfr. Part No.ELC08D100E
BrandPanasonic
TWD18.80
Each (In a Pack of 5)
units
10 μH 2.8A Radial 22mΩ ±20% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS Stock No. 871-1468
Mfr. Part No.B82730U3451A020
BrandEPCOS
TWD39.30
Each (In a Bag of 3)
units
10 mH 450mA Radial 1.75Ω -30 → +50% - 16.5mm 11mm 16.5mm 16.5 x 11 x 16.5mm Ferrite 10kHz 8mm B82730U
RS Stock No. 170-9318
Mfr. Part No.11R104C
TWD8.80
Each (On a Reel of 200)
units
100 μH 350mA - 1.1Ω ±10% 5mm - - 7.5mm 5 (Dia.) x 7.5mm - 1kHz 2mm 1100R
RS Stock No. 172-8373
Mfr. Part No.RLB0912-3R3ML
BrandBourns
TWD6.80
Each (In a Bag of 200)
units
3.3 μH 3.6A Radial - ±20% 8.7mm - - 10mm 8.7 (Dia.) x 10mm Ferrite 50MHz 5mm RLB
RS Stock No. 172-7062
Mfr. Part No.RLB0914-101KL
BrandBourns
TWD6.80
Each (In a Bag of 200)
units
100 μH 1A Radial - ±10% 8.7mm - - 12mm 8.7 (Dia.) x 12mm Ferrite 3.5MHz 5mm RLB
RS Stock No. 432-4388
Mfr. Part No.744772100
TWD27.30
Each (In a Pack of 10)
units
10 μH 2.6A Radial 40mΩ ±20% 8.3mm - - 10mm 8.3 (Dia.) x 10mm Ferrite - 5mm WE-TI
RS Stock No. 811-8884
Mfr. Part No.RLB0912-3R3ML
BrandBourns
TWD7.50
Each (In a Bag of 10)
units
3.3 μH 3.6A Radial 18mΩ ±20% 8.7mm - - 10mm 8.7 (Dia.) x 10mm Ferrite 50MHz 5mm RLB
RS Stock No. 736-2131
Mfr. Part No.7448229004
TWD201.00
Each
units
350 μH 8.5A Through Hole 5.5mΩ ±30% - 18.5mm 14.5mm 22mm 18.5 x 14.5 x 22mm - - 5mm WE-CMB HC
RS Stock No. 110-1296
Mfr. Part No.ELC08D100E
BrandPanasonic
TWD10.20
Each (In a Bag of 1000)
units
10 μH 2.8A Radial 22mΩ ±20% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS Stock No. 163-3793
Mfr. Part No.7448229004
TWD134.60
Each (In a Box of 90)
units
350 μH 8.5A Through Hole 5.5mΩ ±30% - 18.5mm 14.5mm 22mm 18.5 x 14.5 x 22mm - - 5mm WE-CMB HC
RS Stock No. 860-3997
Mfr. Part No.2307-V-RC
BrandBourns
TWD64.80
Each (In a Pack of 50)
units
33 μH 11.7A Radial 13mΩ ±15% 32.51mm - - 0.65in 1.28 (Dia.) x 0.65in - 1kHz 0.53in 2300
RS Stock No. 905-4970
Mfr. Part No.13R226C
TWD20.00
Each (In a Bag of 5)
units
22 mH 70mA Through Hole 48Ω ±10% 9.5mm - - 13.5mm 9.5 (Dia.) x 13.5 (H)mm - 1kHz 5mm 1300R
RS Stock No. 308-8817
Mfr. Part No.74470292
TWD80.00
Each
units
130 μH 2.9A Lead Wire 90mΩ ±20% 17.5mm - 13mm - 17.5 (Dia.) x 13mm Composite Iron Powder - 14mm WE-FI
RS Stock No. 432-4394
Mfr. Part No.744772470
TWD26.50
Each (In a Pack of 10)
units
47 μH 1.3A Radial 100mΩ ±10% 8.3mm - - 10mm 8.3 (Dia.) x 10mm Ferrite - 5mm WE-TI