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. 162-0202
Mfr. Part No.B78108S1222K000
BrandEPCOS
MYR0.532
Each (On a Reel of 5000)
units
2.2 μH 1A Axial 250mΩ ±10% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 140MHz - BC
RS Stock No. 880-7272
Mfr. Part No.B82145A1684J000
BrandEPCOS
MYR3.245
Each (In a Bag of 10)
units
680 μH 440mA Axial 2.5Ω ±5% 6.5mm 12mm - - 6.5 (Dia.) x 12mm Ferrite 1.5MHz 15mm HLBC
RS Stock No. 860-4073
Mfr. Part No.78F330J-RC
BrandBourns
MYR0.398
Each (In a Pack of 10000)
units
33 μH 255mA Axial 1.5Ω ±5% 2.79mm - - 7.11mm 2.79 (Dia.) x 7.11mm Ferrite DR 10MHz - 78F
RS Stock No. 163-3402
Mfr. Part No.744824622
MYR22.764
Each (In a Box of 25)
units
2.2 mH 6A Radial 20mΩ ±30% - 27.5mm 18.5mm 33mm 27.5 x 18.5 x 33mm - - 10mm WE-CMB
RS Stock No. 172-8358
Mfr. Part No.RLB0914-220KL
BrandBourns
MYR0.834
Each (In a Bag of 200)
units
22 μH 1.9A Radial - ±10% 8.7mm - - 12mm 8.7 (Dia.) x 12mm Ferrite 9MHz 5mm RLB
RS Stock No. 163-3292
Mfr. Part No.7446223001
MYR18.259
Each (In a Box of 91)
units
1 mH 3A Through Hole 40mΩ ±30% - 23.5mm 16mm 25.5mm 23.5 x 16 x 25.5mm - - - WE-LF
RS Stock No. 863-1283
Mfr. Part No.760308103206
MYR42.69
Each
units
7.5 μH 1.6A Axial 380mΩ ±10% - 28mm 0.73mm 15mm 28 x 15 x 0.73mm Ferrite 23MHz - WE-WPCC
RS Stock No. 162-1302
Mfr. Part No.7448256033
MYR23.89
Each (In a Tray of 20)
units
3.3 mH 6A Radial 25mΩ ±30% - 30.5mm 21mm 35mm 30.5 x 21 x 35mm - - 25mm WE-CMB
RS Stock No. 811-8809
Mfr. Part No.RLB0914-220KL
BrandBourns
MYR1.15
Each (In a Bag of 10)
units
22 μH 1.9A Radial 90mΩ ±10% 8.7mm - - 12mm 8.7 (Dia.) x 12mm Ferrite 9MHz 5mm RLB
RS Stock No. 167-8352
Mfr. Part No.B78108S1153K000
BrandEPCOS
MYR0.549
Each (On a Reel of 5000)
units
15 μH 610mA Axial 600mΩ ±10% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 20MHz - BC
RS Stock No. 166-0177
Mfr. Part No.B82145A1105J000
BrandEPCOS
MYR1.452
Each (On a Reel of 1250)
units
1 mH 370mA Axial 3.6Ω ±5% 6.5mm 12mm - - 6.5 (Dia.) x 12mm Ferrite 1.3MHz 15mm HLBC
RS Stock No. 191-1210
Mfr. Part No.B82144A2226J000
BrandEPCOS
MYR2.836
Each (In a Pack of 5)
units
22 mH 40mA Axial 120Ω ±5% 5.2mm 14.8mm - - 5.2 (Dia.) x 14.8mm Ferrite 260kHz - LBC
RS Stock No. 167-8260
Mfr. Part No.B82144A2226J000
BrandEPCOS
MYR1.139
Each (On a Reel of 1500)
units
22 mH 40mA Axial 120Ω ±5% 5.2mm 14.8mm - - 5.2 (Dia.) x 14.8mm Ferrite 260kHz - LBC
RS Stock No. 106-7759
Mfr. Part No.22R333C
MYR2.363
Each (In a Bag of 100)
units
33 μH 900mA Radial 140mΩ ±10% - 7.7mm - 10.5mm - - 11.4MHz 3mm 2200R
RS Stock No. 489-0324
Mfr. Part No.744824622
MYR23.12
Each
units
2.2 mH 6A Radial 20mΩ ±30% - 27.5mm 18.5mm 33mm 27.5 x 18.5 x 33mm - - 10mm WE-CMB
RS Stock No. 880-7203
Mfr. Part No.B82141A1334J000
BrandEPCOS
MYR1.691
Each (In a Bag of 10)
units
330 μH 105mA Axial 9.1Ω ±5% 3mm 6.8mm - - 3 (Dia.) x 6.8mm Ferrite 3MHz 10mm SBC
RS Stock No. 163-3339
Mfr. Part No.744772100
MYR3.08
Each (In a Tray of 140)
units
10 μH 2.6A Radial 40mΩ ±20% 8.3mm - - 10mm 8.3 (Dia.) x 10mm Ferrite - 5mm WE-TI
RS Stock No. 880-7256
Mfr. Part No.B82145A1105J000
BrandEPCOS
MYR3.815
Each (In a Bag of 10)
units
1 mH 370mA Axial 3.6Ω ±5% 6.5mm 12mm - - 6.5 (Dia.) x 12mm Ferrite 1.3MHz 15mm HLBC
RS Stock No. 163-3306
Mfr. Part No.744742223
MYR3.32
Each (In a Tray of 140)
units
22 mH 100mA Radial 55Ω ±5% 8.5mm - - 10mm 8.5 (Dia.) x 10mm Ferrite - 5mm WE-TI
RS Stock No. 173-0040
BrandRS PRO
MYR6.148
Each (In a Box of 160)
units
150 μH 3A Radial 107mΩ ±15% 25mm - - 12mm 25 (Dia.) x 12mm - - - DP