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. 181-5991
Mfr. Part No.SN8D-500JB
BrandKEMET
SGD6.864
Each (In a Pack of 5)
units
125 μH 2A Through Hole 100mΩ - - 18.5mm 15.5mm 18mm 18.5 x 15.5 x 18mm Iron - 14mm SN-JB
RS Stock No. 181-6030
Mfr. Part No.SN3-100
BrandKEMET
SGD2.092
Each (In a Pack of 5)
units
- - - - - - - - - - - - - -
RS Stock No. 181-5795
Mfr. Part No.SN20P-240
BrandKEMET
SGD11.976
Each (In a Tray of 30)
units
- - - - - - - - - - - - - -
RS Stock No. 181-6049
Mfr. Part No.SN8S-400JA
BrandKEMET
SGD4.652
Each (In a Pack of 5)
units
46 μH 2A Through Hole 52mΩ - 18mm 15mm 12mm 18mm 15 x 12 x 18mm Iron - 10mm SN-JA
RS Stock No. 181-6028
Mfr. Part No.SN5-5501
BrandKEMET
SGD3.136
Each (In a Pack of 5)
units
- - - - - - - - - - - - - -
RS Stock No. 181-6022
Mfr. Part No.SN8S-50P2
BrandKEMET
SGD5.742
Each (In a Pack of 5)
units
72 μH 2A Through Hole 75mΩ - - 19mm 17mm 10.5mm 19 x 17 x 10.5mm Iron - 15.2mm SN-P2
RS Stock No. 181-5793
Mfr. Part No.SN16P-130
BrandKEMET
SGD6.365
Each (In a Tray of 50)
units
- - - - - - - - - - - - - -
RS Stock No. 181-5805
Mfr. Part No.SN16P-400J
BrandKEMET
SGD9.404
Each (In a Tray of 50)
units
- - - - - - - - - - - - - -
RS Stock No. 181-5783
Mfr. Part No.SN14-400
BrandKEMET
SGD8.03
Each (In a Tray of 50)
units
- - - - - - - - - - - - - -
RS Stock No. 181-5819
Mfr. Part No.SN8D-500JB
BrandKEMET
SGD5.233
Each (In a Tray of 91)
units
125 μH 2A Through Hole 100mΩ - - 18.5mm 15.5mm 18mm 18.5 x 15.5 x 18mm Iron - 14mm SN-JB
RS Stock No. 181-6005
Mfr. Part No.SN3-300
BrandKEMET
SGD2.652
Each (In a Pack of 5)
units
- - - - - - - - - - - - - -
RS Stock No. 181-5996
Mfr. Part No.SN10-400J
BrandKEMET
SGD5.822
Each (In a Pack of 5)
units
72 μH 3A Through Hole 56mΩ - 23mm 22mm 16mm 26mm 22 x 16 x 26mm Iron - 10mm SN-J
RS Stock No. 181-6042
Mfr. Part No.SN12-800
BrandKEMET
SGD8.67
Each
units
- - - - - - - - - - - - - -
RS Stock No. 181-5986
Mfr. Part No.SN8D-400JB
BrandKEMET
SGD6.702
Each (In a Pack of 5)
units
80 μH 2A Through Hole 85mΩ - - 18.5mm 15.5mm 18mm 18.5 x 15.5 x 18mm Iron - 14mm SN-JB
RS Stock No. 181-5804
Mfr. Part No.SN12-500J
BrandKEMET
SGD6.691
Each (In a Tray of 50)
units
100 μH 5A Through Hole 45mΩ - 28mm 22mm 17mm 29mm 22 x 17 x 29mm Iron - 10mm SN-J
RS Stock No. 181-5821
Mfr. Part No.SN5-40P2
BrandKEMET
SGD2.887
Each (In a Tray of 100)
units
48 μH 2A Through Hole 65mΩ - - 17mm 14mm 9mm 17 x 14 x 9mm Iron - 12.7mm SN-P2
RS Stock No. 181-5999
Mfr. Part No.SN8S-500
BrandKEMET
SGD3.804
Each (In a Pack of 5)
units
72 μH 2A Through Hole 68mΩ - 16mm - 9mm - 16 (Dia.) x 9mm Iron - 8.5mm SN
RS Stock No. 181-6016
Mfr. Part No.SN8D-500
BrandKEMET
SGD4.084
Each (In a Pack of 5)
units
125 μH 2A Through Hole 100mΩ - 17mm - 13mm - 17 (Dia.) x 13mm Iron - 10.5mm SN
RS Stock No. 181-5759
Mfr. Part No.SN5-5501
BrandKEMET
SGD2.329
Each (In a Tray of 100)
units
- - - - - - - - - - - - - -
RS Stock No. 181-6046
Mfr. Part No.SN20P-240
BrandKEMET
SGD12.63
Each
units
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