Leaded Inductors

Leaded inductors are components that 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 as opposed to an electric field, which is stored by a capacitor. These inductors can found in several different shapes, including radial, axial and through-hole components and leads attached concentrically to the opposite ends of the inductor cores or as linear components. At RS Components, we have a varied range of leaded inductors, including axial, radial, through-hole and panel-mount inductors, with products from brands such as Bourns, EPCOS, Murata Power Solutions, Panasonic, Wurth Elektronik and our own RS PRO brand.

What are leaded inductors used for?

Leaded inductors are used to suppress asymmetrical interferences in low-voltage and high-voltage circuits. They typically have ferrite cores, however it is possible to find leaded inductors with cores made of other materials, such as nano crystalline or iron. With low or DC voltages, they act as continuous circuits to keep the current flowing if there are interferences but otherwise have no effect on the signal. With high voltage applications, they are able to prevent the current from flowing due to their high resistance, thus are used to protect the circuit from voltage spikes and prevent damages.

Types of leaded inductors

Leaded inductors come in two main categories, VHF-choke and RF-choke:

  • 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. 191-0677
Mfr. Part No.B78108S1474J000
BrandEPCOS
MYR1.67
Each (In a Pack of 10)
units
470 μH 170mA Axial 7.9Ω ±5% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 2.2MHz - BC
RS Stock No. 874-9778
Mfr. Part No.RLB1314-220KL
BrandBourns
MYR2.10
Each (In a Bag of 10)
units
22 μH - Radial - - 11.7mm - - 12mm 11.7 (Dia.) x 12mm Ferrite DR - 9mm RLB
RS Stock No. 124-1527
Mfr. Part No.7447021
MYR7.928
Each (In a Pack of 5)
units
100 μH 2.5A Through Hole 80mΩ ±20% 15.5mm - - 8mm 15.5 (Dia.) x 8mm Ferrite, Iron Powder - 7mm WE-FI
RS Stock No. 172-9635
Mfr. Part No.RLB1314-220KL
BrandBourns
MYR1.17
Each (In a Bag of 150)
units
22 μH - Radial - - 11.7mm - - 12mm 11.7 (Dia.) x 12mm Ferrite DR - 9mm RLB
RS Stock No. 167-8355
Mfr. Part No.B78108S1333K000
BrandEPCOS
MYR0.521
Each (On a Reel of 5000)
units
33 μH 500mA Axial 920mΩ ±10% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 9MHz - BC
RS Stock No. 167-8364
Mfr. Part No.B78108S1334J000
BrandEPCOS
MYR0.793
Each (On a Reel of 5000)
units
330 μH 190mA Axial 6.4Ω ±5% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 2.7MHz - BC
RS Stock No. 191-1169
Mfr. Part No.B82144A2474J000
BrandEPCOS
MYR3.214
Each (In a Pack of 5)
units
470 μH 280mA Axial 2.5Ω ±5% 5.2mm 14.8mm - - 5.2 (Dia.) x 14.8mm Ferrite 1.5MHz - LBC
RS Stock No. 191-0532
Mfr. Part No.B78108S1333K000
BrandEPCOS
MYR1.596
Each (In a Pack of 10)
units
33 μH 500mA Axial 920mΩ ±10% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 9MHz - BC
RS Stock No. 191-0655
Mfr. Part No.B78108S1334J000
BrandEPCOS
MYR1.922
Each (In a Pack of 10)
units
330 μH 190mA Axial 6.4Ω ±5% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 2.7MHz - BC
RS Stock No. 811-8821
Mfr. Part No.RLB0712-100KL
BrandBourns
MYR1.155
Each (In a Bag of 10)
units
10 μH 1.1A Radial 70mΩ ±10% 6.7mm - - 10mm 6.7 (Dia.) x 10mm Ferrite 16MHz 3mm RLB
RS Stock No. 162-0152
Mfr. Part No.B82726S6123N020
BrandEPCOS
MYR47.723
Each (In a Box of 60)
units
3.3 mH 12A Radial 8.4mΩ ±30% - 52mm 28mm 55mm 52 x 28 x 55mm Ferrite 10kHz 35.65mm B82726S
RS Stock No. 172-8318
Mfr. Part No.RLB0608-222KL
BrandBourns
MYR0.635
Each (In a Bag of 800)
units
2.2 mH 85mA Radial - ±10% 5mm - - 6.5mm 5 (Dia.) x 6.5mm Ferrite 1MHz 2mm RLB
RS Stock No. 162-0212
Mfr. Part No.B82144A2474J000
BrandEPCOS
MYR1.004
Each (On a Reel of 1500)
units
470 μH 280mA Axial 2.5Ω ±5% 5.2mm 14.8mm - - 5.2 (Dia.) x 14.8mm Ferrite 1.5MHz - LBC
RS Stock No. 871-1389
Mfr. Part No.B82726S6123N020
BrandEPCOS
MYR57.40
Each
units
3.3 mH 12A Radial 8.4mΩ ±30% - 52mm 28mm 55mm 52 x 28 x 55mm Ferrite 10kHz 35.65mm B82726S
RS Stock No. 167-8350
Mfr. Part No.B78108S1103K000
BrandEPCOS
MYR0.527
Each (On a Reel of 5000)
units
10 μH 680mA Axial 490mΩ ±10% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 35MHz - BC
RS Stock No. 191-0481
Mfr. Part No.B78108S1103K000
BrandEPCOS
MYR1.54
Each (In a Pack of 10)
units
10 μH 680mA Axial 490mΩ ±10% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 35MHz - BC
RS Stock No. 172-9543
Mfr. Part No.RLB0712-100KL
BrandBourns
MYR0.667
Each (In a Bag of 400)
units
10 μH 1.1A Radial 70mΩ ±10% 6.7mm - - 10mm 6.7 (Dia.) x 10mm Ferrite 16MHz 3mm RLB
RS Stock No. 817-2611
Mfr. Part No.RLB0608-222KL
BrandBourns
MYR1.228
Each (In a Bag of 5)
units
2.2 mH 85mA Radial 20Ω ±10% 5mm - - 6.5mm 5 (Dia.) x 6.5mm Ferrite 1MHz 2mm RLB
RS Stock No. 489-0396
Mfr. Part No.7448256033
MYR26.01
Each
units
3.3 mH 6A Radial 25mΩ ±30% - 30.5mm 21mm 35mm 30.5 x 21 x 35mm - - 25mm WE-CMB
RS Stock No. 167-8354
Mfr. Part No.B78108S1223K000
BrandEPCOS
MYR0.521
Each (On a Reel of 5000)
units
22 μH 560mA Axial 740mΩ ±10% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 13MHz - BC