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. 715-6709
Mfr. Part No.22R153C
TWD19.70
Each (In a Pack of 10)
units
15 μH 1.35A Radial 70mΩ ±10% - 7.7mm - 10.5mm - - 19.4MHz 3mm 2200R
RS Stock No. 489-0251
Mfr. Part No.744822120
TWD145.00
Each
units
20 mH 500mA Radial 540mΩ ±30% - 17.5mm 13mm 22mm 17.5 x 13 x 22mm - - 7.7mm WE-CMB
RS Stock No. 675-5210
Mfr. Part No.ELC10D471E
BrandPanasonic
TWD31.00
Each (In a Pack of 5)
units
470 μH 700mA Radial 450mΩ ±10% - 13mm 10mm 15mm 13 x 10 x 15mm - - 5mm ELC10D
RS Stock No. 172-9638
Mfr. Part No.RLB1314-471KL
BrandBourns
TWD9.50
Each (In a Bag of 130)
units
470 μH 460mA Radial 510mΩ ±10% 11.7mm - - 12mm 11.7 (Dia.) x 12mm Ferrite DR 2.3MHz 7mm RLB
RS Stock No. 816-4818
Mfr. Part No.7448042001
TWD447.00
Each
units
2 x 1 mH 20A Through Hole 2 x 2.4mΩ -30 → +50% - 30mm 19mm 32mm 30 x 19 x 32mm Nano Crystalline 1 kHz → 300 MHz 10mm WE-CMBNC
RS Stock No. 899-7084
Mfr. Part No.7447211332
TWD58.00
Each (In a Bag of 5)
units
3.3 mH 370mA Radial 3.6Ω ±5% 11mm - - 15mm 11 (Dia.) x 15mm Ferrite 500kHz 4 x 5mm WE-TIF
RS Stock No. 191-0447
Mfr. Part No.B78108S1472K000
BrandEPCOS
TWD12.70
Each (In a Pack of 10)
units
4.7 μH 820mA Axial 340mΩ ±10% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 95MHz - BC
RS Stock No. 715-7229
Mfr. Part No.19R154C
TWD53.00
Each
units
150 μH 1.9A Radial 129mΩ ±10% 12mm - - 21mm 12 (Dia.) x 21mm - - 6mm 1900R
RS Stock No. 772-0215
Mfr. Part No.B82725J2103N022
BrandEPCOS
TWD202.00
Each
units
1.8 mH 10A Radial 13mΩ ±30% - 40.4mm 21.5mm 40mm 40.4 x 21.5 x 40mm Ferrite - 12.5 mm, 17.5 mm B82721A
RS Stock No. 167-0282
Mfr. Part No.B82721A2362N001
BrandEPCOS
TWD55.80
Each (In a Box of 600)
units
400 μH 3.6A Radial 35mΩ ±30% - 17.3mm 17.9mm 12.6mm 17.3 x 17.9 x 12.6mm Ferrite - 10 mm, 15 mm B82721A
RS Stock No. 110-1329
Mfr. Part No.ELC10D2R7E
BrandPanasonic
TWD13.20
Each (In a Bag of 500)
units
2.7 μH 5.5A Radial 15mΩ ±20% - 13mm 10mm 15mm 13 x 10 x 15mm - - 5mm ELC10D
RS Stock No. 135-0152
Mfr. Part No.RLB0913-150K
BrandBourns
TWD16.10
Each (In a Pack of 10)
units
15 μH 2.3 (Sat)A Radial 56mΩ ±10% 8.5mm - - 12.5mm 8.5 (Dia.) x 12.5mm Ferrite 12MHz 5mm RLB0913
RS Stock No. 870-3300
Mfr. Part No.DENO-23-0001
BrandSchurter
TWD94.70
Each (In a Pack of 100)
units
2 mH 16A Radial 15mΩ - 23mm 10mm - - 23 x 10mm - 300kHz - DENO
RS Stock No. 181-5793
Mfr. Part No.SN16P-130
BrandKEMET
TWD159.00
Each (In a Tray of 50)
units
- - - - - - - - - - - - - -
RS Stock No. 167-8365
Mfr. Part No.B78108S1474J000
BrandEPCOS
TWD4.80
Each (On a Reel of 5000)
units
470 μH 170mA Axial 7.9Ω ±5% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 2.2MHz - BC
RS Stock No. 104-8414
BrandRS PRO
TWD25.30
Each (In a Pack of 10)
units
100 μH 500mA Radial 140mΩ ±15% 14mm - - 8mm 14 (Dia.) x 8mm - - - DP
RS Stock No. 166-8208
Mfr. Part No.ELC16B270L
BrandPanasonic
TWD21.30
Each (In a Bag of 500)
units
27 μH 4.3A Radial 34mΩ ±10% - 16mm - 23mm - Ferrite - 7.5mm ELC16B
RS Stock No. 880-7212
Mfr. Part No.B82144A2155J000
BrandEPCOS
TWD15.50
Each (In a Bag of 10)
units
1.5 mH 160mA Axial ±5% 5.2mm 12mm - - 5.2 (Dia.) x 12mm Ferrite 1MHz 15mm LBC
RS Stock No. 880-7200
Mfr. Part No.B82141A1474J000
BrandEPCOS
TWD10.30
Each (In a Bag of 10)
units
470 μH 90mA Axial 12Ω ±5% 3mm 6.8mm - - 3 (Dia.) x 6.8mm Ferrite 2.3MHz 10mm SBC
RS Stock No. 870-3397
Mfr. Part No.DKFP-6248-0102
BrandSchurter
TWD112.00
Each (In a Pack of 176)
units
2 mH 900mA Radial 240mΩ -30 → +50% - 10.7mm 10.5mm 8.2mm 10.7 x 10.5 x 8.2mm - 1.6MHz 6.25, 8.75mm DKFP