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. 228-141
BrandRS PRO
£1.76
Each
Units
10 μH 750mA Axial 95mΩ - 3.3mm 9.14mm - - 3.3 (Dia.) x 9.14mm Ferrite - - APIE0309
RS Stock No. 228-135
BrandRS PRO
£1.08
Each
Units
4.7 μH 1.7A Axial - ±10% 3.3mm 9.14mm - - 3.3 (Dia.) x 9.14mm Ferrite 95MHz - APIE0309
RS Stock No. 228-113
BrandRS PRO
£0.55
Each
Units
1 μH 3.3A Axial - - 3.3mm 11.3mm - - 3.3 (Dia.) x 9.14mm Ferrite - - APIE0309
RS Stock No. 104-8448
BrandRS PRO
£3.605
Each (In a Pack of 2)
Units
100 μH 10A Radial 44mΩ ±15% 50mm - - 21mm 50 (Dia.) x 21mm - - - DP
RS Stock No. 173-0065
BrandRS PRO
£3.491
Each (In a Box of 36)
Units
100 μH 10A Radial 44mΩ ±15% 50mm - - 21mm 50 (Dia.) x 21mm - - - DP
RS Stock No. 228-179
BrandRS PRO
£1.96
Each
Units
100 μH 550mA Axial - - 3.3mm 9.14mm - - 3.3 (Dia.) x 9.14mm Ferrite - - APIE0309
RS Stock No. 228-163
BrandRS PRO
£2.00
Each
Units
47 μH 760mA Axial - - 3.3mm 9.14mm - - 3.3 (Dia.) x 9.14mm Ferrite - - APIE0309
RS Stock No. 228-129
BrandRS PRO
£0.55
Each
Units
2.2 μH 2.6A Axial - - 3.3mm 9.14mm - - 3.3 (Dia.) x 9.14mm Ferrite - - APIE0309
RS Stock No. 173-0039
BrandRS PRO
£0.718
Each (In a Box of 160)
Units
68 μH 5A Radial 55mΩ ±15% 26mm - - 12mm 26 (Dia.) x 12mm - - - DP
RS Stock No. 104-8440
BrandRS PRO
£0.798
Each (In a Pack of 5)
Units
68 μH 5A Radial 55mΩ ±15% 26mm - - 12mm 26 (Dia.) x 12mm - - - DP
RS Stock No. 228-157
BrandRS PRO
£0.55
Each
Units
22 μH 430mA Axial 1.1Ω - 5.2mm 11.3mm - - 5.2 (Dia.) x 11.3mm Ferrite - - APIE0309
RS Stock No. 173-0046
BrandRS PRO
£1.12
Each (In a Box of 160)
Units
1 mH 1A Radial 426mΩ ±15% 26mm - - 13mm 26 (Dia.) x 13mm - - - DP
RS Stock No. 104-8433
BrandRS PRO
£1.228
Each (In a Pack of 5)
Units
1 mH 1A Radial 426mΩ ±15% 26mm - - 13mm 26 (Dia.) x 13mm - - - DP
RS Stock No. 104-8445
BrandRS PRO
£1.754
Each (In a Pack of 5)
Units
470 μH 3A Radial 187mΩ ±15% 42mm - - 12mm 42 (Dia.) x 12mm - - - DP
RS Stock No. 173-0054
BrandRS PRO
£1.70
Each (In a Box of 60)
Units
470 μH 3A Radial 187mΩ ±15% 42mm - - 12mm 42 (Dia.) x 12mm - - - DP
RS Stock No. 173-0031
BrandRS PRO
£0.607
Each (In a Box of 300)
Units
47 μH 3A Radial 48mΩ ±15% 20mm - - 8mm 20 (Dia.) x 8mm - - - DP
RS Stock No. 104-8431
BrandRS PRO
£0.662
Each (In a Pack of 5)
Units
47 μH 3A Radial 48mΩ ±15% 20mm - - 8mm 20 (Dia.) x 8mm - - - DP
RS Stock No. 173-0030
BrandRS PRO
£0.583
Each (In a Box of 300)
Units
33 μH 3A Radial 38mΩ ±15% 19mm - - 8mm 19 (Dia.) x 8mm - - - DP
RS Stock No. 104-8430
BrandRS PRO
£0.63
Each (In a Pack of 10)
Units
33 μH 3A Radial 38mΩ ±15% 19mm - - 8mm 19 (Dia.) x 8mm - - - DP
RS Stock No. 173-0226
BrandRS PRO
£0.826
Each (In a Box of 480)
Units
47 μH 1A Radial 63mΩ ±15% 14mm - - 8mm 14 (Dia.) x 8mm - - - DP
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