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. 170-4962
Mfr. Part No.RN112-2-02
BrandSchaffner
SGD1.991
Each (In a Box of 500)
units
1.8 mH 2A Radial 75mΩ -30 → +50% - 18mm 17.4mm 12.9mm 18 x 17.4 x 12.9mm - - 15mm RN
RS Stock No. 173-5959
Mfr. Part No.RN112-2-02
BrandSchaffner
SGD3.80
Each
units
1.8 mH 2A Radial 75mΩ -30 → +50% - 18mm 17.4mm 12.9mm 18 x 17.4 x 12.9mm - - 15mm RN
RS Stock No. 170-5162
Mfr. Part No.RB6122-50-0M3
BrandSchaffner
SGD21.34
Each (In a Box of 64)
units
250 μH 50A Radial 900µΩ -30 → +50% - 61mm 57.8mm 38mm 61 x 57.8 x 38mm - 400Hz 5.08mm RB
RS Stock No. 219-3255
Mfr. Part No.RN102-1-02
BrandSchaffner
SGD3.71
Each
units
3 mH 1A Radial 205mΩ -30 → +50% - 14.3mm 14.3mm 9.3mm 14.3 x 14.3 x 9.3mm - - 10mm RN
RS Stock No. 465-6168
Mfr. Part No.RD5122-16-2M0
BrandSchaffner
SGD23.85
Each
units
2 mH 16A Lead Wire 9.5mΩ -30 → +50% 50.5mm - - 35.5mm 50.5 (Dia.) x 35.5mm - - - RD
RS Stock No. 883-7803
Mfr. Part No.RS614-4-02
BrandSchaffner
SGD7.214
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. 170-5025
Mfr. Part No.RN102-1-02
BrandSchaffner
SGD1.385
Each (In a Box of 600)
units
3 mH 1A Radial 205mΩ -30 → +50% - 14.3mm 14.3mm 9.3mm 14.3 x 14.3 x 9.3mm - - 10mm RN
RS Stock No. 769-0574
Mfr. Part No.RB6122-50-0M3
BrandSchaffner
SGD21.84
Each
units
250 μH 50A Radial 900µΩ -30 → +50% - 61mm 57.8mm 38mm 61 x 57.8 x 38mm - 400Hz 5.08mm RB
RS Stock No. 465-6629
Mfr. Part No.RN214-3-02
BrandSchaffner
SGD2.71
Each
units
2 mH 3A Radial 55mΩ -30 → +50% - 23.3mm 15.8mm 25.3mm 23.3 x 15.8 x 25.3mm - - 10mm RN
RS Stock No. 883-7793
Mfr. Part No.RS612-2-02
BrandSchaffner
SGD7.214
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. 769-0568
Mfr. Part No.RB6122-16-1M0
BrandSchaffner
SGD15.18
Each
units
1 mH 16A Radial 4.8mΩ -30 → +50% - 53.3mm 51.34mm 41.5mm 53.3 x 51.34 x 41.5mm - 400Hz 15.24mm RB
RS Stock No. 883-9156
Mfr. Part No.RD7137-16-2M8
BrandSchaffner
SGD36.179
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
RS Stock No. 162-0579
Mfr. Part No.RB6122-16-1M0
BrandSchaffner
SGD12.90
Each (In a Box of 90)
units
1 mH 16A Radial 4.8mΩ -30 → +50% - 53.3mm 51.34mm 41.5mm 53.3 x 51.34 x 41.5mm - 400Hz 15.24mm RB
RS Stock No. 883-7780
Mfr. Part No.RS514-4-02
BrandSchaffner
SGD7.214
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. 170-5098
Mfr. Part No.RN214-3-02
BrandSchaffner
SGD2.467
Each (In a Box of 500)
units
2 mH 3A Radial 55mΩ -30 → +50% - 23.3mm 15.8mm 25.3mm 23.3 x 15.8 x 25.3mm - - 10mm RN
RS Stock No. 883-7784
Mfr. Part No.RS612-0.5-02
BrandSchaffner
SGD7.214
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. 883-9213
Mfr. Part No.RI111PC
BrandSchaffner
SGD40.67
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. 170-5174
Mfr. Part No.RB8532-36-0M8
BrandSchaffner
SGD40.19
Each (In a Box of 16)
units
830 μH 36A Radial 2.3mΩ -30 → +50% - 63mm 63mm 82mm 63 x 63 x 82mm - 400Hz 5.08mm RB
RS Stock No. 883-9143
Mfr. Part No.RD6137-6-7M5
BrandSchaffner
SGD25.688
Each (In a Pack of 14)
units
7.5 mH 6A Lead Wire, Through Hole 49mΩ -30 → +50% 60mm - - 35mm 60 (Dia.) x 35mm - - - RD
RS Stock No. 170-5160
Mfr. Part No.RB6122-25-0M6
BrandSchaffner
SGD16.28
Each (In a Box of 90)
units
640 μH 25A Radial 2.7mΩ -30 → +50% - 53.3mm 51.34mm 41.5mm 53.3 x 51.34 x 41.5mm - 400Hz 15.24mm RB