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. 883-7780
Mfr. Part No.RS514-4-02
BrandSchaffner
TWD161.90
Each (In a Pack of 25)
units
10 (Dual Load) μH, 40 (Dual Load) μH 4A Radial 20 (Dual Load) mΩ, 40 (Single Load) mΩ - - 21.5mm 22.5mm 13.2mm 21.5 x 22.5 x 13.2mm - 18 (Single Load) MHz, 22 (Dual Load) MHz 20.1mm RS
RS Stock No. 883-7803
Mfr. Part No.RS614-4-02
BrandSchaffner
TWD161.90
Each (In a Pack of 25)
units
10 (Dual Load) μH, 40 (Dual Load) μH 4A Radial 20 (Dual Load) mΩ, 40 (Single Load) mΩ - - 15.5mm 23mm 25mm 15.5 x 23 x 25mm - 18 (Single Load) MHz, 22 (Dual Load) MHz 10mm RS
RS Stock No. 883-9159
Mfr. Part No.RD7127-36-1M0
BrandSchaffner
TWD789.70
Each (In a Pack of 10)
units
1 mH 36A Lead Wire, Through Hole 3.3mΩ -30 → +50% 70mm - - 40mm 70 (Dia.) x 40mm - - - RD
RS Stock No. 219-3413
Mfr. Part No.RN222-1.5-02
BrandSchaffner
TWD117.00
Each
units
10 mH 1.5A Radial 220mΩ -30 → +50% - 31.3mm 18.3mm 29.6mm 31.3 x 18.3 x 29.6mm - - 12.5mm RN
RS Stock No. 883-9137
Mfr. Part No.RD6127-6-15M0
BrandSchaffner
TWD511.00
Each (In a Pack of 14)
units
15 mH 6A Lead Wire, Through Hole 66.65mΩ -30 → +50% 50mm - - 35mm 50 (Dia.) x 35mm - - - RD
RS Stock No. 219-3429
Mfr. Part No.RN222-4-02-3M3
BrandSchaffner
TWD216.00
Each
units
3.3 mH 4A Radial 45mΩ -30 → +50% - 31.3mm 18.3mm 29.6mm 31.3 x 18.3 x 29.6mm - - 12.5mm RN
RS Stock No. 883-9140
Mfr. Part No.RD7127-16-5M7
BrandSchaffner
TWD1,156.50
Each (In a Pack of 10)
units
5.7 mH 16A Lead Wire, Through Hole 14.1mΩ -30 → +50% 70mm - - 40mm 70 (Dia.) x 40mm - - - RD
RS Stock No. 170-5163
Mfr. Part No.RB8522-16-3M0
BrandSchaffner
TWD388.20
Each (In a Box of 60)
units
3 mH 16A Radial 8.4mΩ -30 → +50% - 50mm 43.4mm 58mm 50 x 43.4 x 58mm - 400Hz 5.08mm RB
RS Stock No. 769-0625
Mfr. Part No.RB8532-36-0M8
BrandSchaffner
TWD1,051.00
Each
units
830 μH 36A Radial 2.3mΩ -30 → +50% - 63mm 63mm 82mm 63 x 63 x 82mm - 400Hz 5.08mm RB
RS Stock No. 219-3233
Mfr. Part No.RN102-0,3-02
BrandSchaffner
TWD92.00
Each
units
- - - - - - - - - - - - - -
RS Stock No. 883-7784
Mfr. Part No.RS612-0.5-02
BrandSchaffner
TWD161.90
Each (In a Pack of 25)
units
1 (Dual Load) mH, 250 (Dual Load) μH 500mA Radial 1.3 (Single Load) Ω, 650 (Dual Load) mΩ - - 12.5mm 18mm 20mm 12.5 x 18 x 20mm - 2 (Single Load) MHz, 8 (Dual Load) MHz 15mm RS
RS Stock No. 883-9152
Mfr. Part No.RD7137-10-6M6
BrandSchaffner
TWD1,074.40
Each (In a Pack of 10)
units
6.6 mH 10A Lead Wire, Through Hole 21.9mΩ -30 → +50% 70mm - - 40mm 70 (Dia.) x 40mm - - - RD
RS Stock No. 883-9213
Mfr. Part No.RI111PC
BrandSchaffner
TWD942.30
Each (In a Pack of 42)
units
3 mH 6A Lead Wire, Through Hole 42mΩ - - 49mm 35mm 34mm 49 x 35 x 34mm - - 20 mm, 40 mm RI
RS Stock No. 769-0587
Mfr. Part No.RB8522-25-2M0
BrandSchaffner
TWD574.00
Each
units
2 mH 25A Radial 4.2mΩ -30 → +50% - 54mm 45.9mm 68mm 54 x 45.9 x 68mm - 400Hz 20.32mm RB
RS Stock No. 170-5019
Mfr. Part No.RD8137-36-1M5
BrandSchaffner
TWD1,402.80
Each (In a Box of 24)
units
1.5 mH 36A Lead Wire 3.65mΩ -30 → +50% 80.5mm - - 50.5mm 80.5 (Dia.) x 50.5mm - - - RD
RS Stock No. 465-6247
Mfr. Part No.RD7127-25-2M8
BrandSchaffner
TWD872.00
Each
units
2.8 mH 25A Lead Wire 6.4mΩ -30 → +50% 70.5mm - - 40.5mm 70.5 (Dia.) x 40.5mm - - - RD
RS Stock No. 883-7793
Mfr. Part No.RS612-2-02
BrandSchaffner
TWD161.90
Each (In a Pack of 25)
units
16 (Dual Load) μH, 65 (Dual Load) μH 2A Radial 30 (Dual Load) mΩ, 60 (Single Load) mΩ - - 12.5mm 18mm 20mm 12.5 x 18 x 20mm - 17 (Single Load) MHz, 25 (Dual Load) MHz 15mm RS
RS Stock No. 173-5937
Mfr. Part No.RN112-0,6-02
BrandSchaffner
TWD165.00
Each
units
15 mH 600mA Radial 465mΩ -30 → +50% - 18mm 17.4mm 12.9mm 18 x 17.4 x 12.9mm - - 15mm RN
RS Stock No. 219-3148
Mfr. Part No.RS612-1-02
BrandSchaffner
TWD223.00
Each
units
55 μH 1A Radial 130mΩ - - 18.3mm 12.8mm 20.3mm 18.3 x 12.8 x 20.3mm - 20MHz 15mm RS
RS Stock No. 883-9156
Mfr. Part No.RD7137-16-2M8
BrandSchaffner
TWD817.80
Each (In a Pack of 10)
units
2.8 mH 16A Lead Wire, Through Hole 10.7mΩ -30 → +50% 70mm - - 40mm 70 (Dia.) x 40mm - - - RD