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 Prix Inductance Maximum DC Current Mounting Type Maximum DC Resistance Tolerance Diameter Length Depth Height Dimensions Core Material Maximum Self Resonant Frequency Lead Pitch Series
N° de stock RS 191-1169
Référence fabricantB82144A2474J000
MarqueEPCOS
0,572 €
Each (In a Pack of 5)
Unité
470 μH 280mA Axial 2.5Ω ±5% 5.2mm 14.8mm - - 5.2 (Dia.) x 14.8mm Ferrite 1.5MHz - LBC
N° de stock RS 162-0212
Référence fabricantB82144A2474J000
MarqueEPCOS
0,28 €
Each (On a Reel of 1500)
Unité
470 μH 280mA Axial 2.5Ω ±5% 5.2mm 14.8mm - - 5.2 (Dia.) x 14.8mm Ferrite 1.5MHz - LBC
N° de stock RS 167-8219
Référence fabricantB82111E0000C022
MarqueEPCOS
0,734 €
Each (On a Reel of 1000)
Unité
22 μH 3A Axial 70Ω - 7mm 27.4mm - - 7 (Dia.) x 27.4mm Ferrite 110MHz - B82111-E
N° de stock RS 213-1881
Référence fabricantB82111E0000C022
MarqueEPCOS
1,39 €
Each
Unité
22 μH 3A Axial 70Ω - 7mm 27.4mm - - 7 (Dia.) x 27.4mm Ferrite 110MHz - B82111-E
N° de stock RS 228-157
MarqueRS PRO
0,64 €
Each
Unité
22 μH 430mA Axial 1.1Ω - 5.2mm 11.3mm - - 5.2 (Dia.) x 11.3mm Ferrite - - APIE0309
N° de stock RS 191-0598
Référence fabricantB78108S1104J000
MarqueEPCOS
0,323 €
Each (In a Pack of 10)
Unité
100 μH 370mA Axial 1.7Ω ±5% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 5MHz - BC
N° de stock RS 213-6583
Référence fabricantB82500C0000A010
MarqueEPCOS
4,14 €
Each
Unité
120 μH 2A Axial 150mΩ - 10mm 32mm - - 10 (Dia.) x 32mm Ferrite 5.8MHz - B82500C
N° de stock RS 163-5541
Référence fabricant7448031002
6,566 €
Each (In a Box of 90)
Unité
2 x 2 mH 10A Through Hole 2 x 6mΩ -30 → +50% - 23mm 17mm 25mm 23 x 17 x 25mm Nano Crystalline 1 kHz → 300 MHz 7.5mm WE-CMBNC
N° de stock RS 816-4789
Référence fabricant7448031002
9,48 €
Each
Unité
2 x 2 mH 10A Through Hole 2 x 6mΩ -30 → +50% - 23mm 17mm 25mm 23 x 17 x 25mm Nano Crystalline 1 kHz → 300 MHz 7.5mm WE-CMBNC
N° de stock RS 167-8360
Référence fabricantB78108S1104J000
MarqueEPCOS
0,129 €
Each (On a Reel of 5000)
Unité
100 μH 370mA Axial 1.7Ω ±5% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 5MHz - BC
N° de stock RS 167-8484
Référence fabricantB82500C0000A010
MarqueEPCOS
2,361 €
Each (In a Box of 250)
Unité
120 μH 2A Axial 150mΩ - 10mm 32mm - - 10 (Dia.) x 32mm Ferrite 5.8MHz - B82500C
N° de stock RS 860-4063
Référence fabricant78F101J-RC
MarqueBourns
0,18 €
Each
Unité
100 μH 165mA Axial 4.1Ω ±5% 2.79mm - - 7.11mm 2.79 (Dia.) x 7.11mm Ferrite DR 5.5MHz - 78F
N° de stock RS 173-3972
Référence fabricant78F101J-RC
MarqueBourns
0,066 €
Each (In a Bag of 5000)
Unité
100 μH 165mA Axial 4.1Ω ±5% 2.79mm - - 7.11mm 2.79 (Dia.) x 7.11mm Ferrite DR 5.5MHz - 78F
N° de stock RS 228-135
MarqueRS PRO
1,26 €
Each
Unité
4.7 μH 1.7A Axial - ±10% 3.3mm 9.14mm - - 3.3 (Dia.) x 9.14mm Ferrite 95MHz - APIE0309
N° de stock RS 167-8260
Référence fabricantB82144A2226J000
MarqueEPCOS
0,302 €
Each (On a Reel of 1500)
Unité
22 mH 40mA Axial 120Ω ±5% 5.2mm 14.8mm - - 5.2 (Dia.) x 14.8mm Ferrite 260kHz - LBC
N° de stock RS 191-1210
Référence fabricantB82144A2226J000
MarqueEPCOS
0,614 €
Each (In a Pack of 5)
Unité
22 mH 40mA Axial 120Ω ±5% 5.2mm 14.8mm - - 5.2 (Dia.) x 14.8mm Ferrite 260kHz - LBC
N° de stock RS 124-1528
Référence fabricant7447070
2,97 €
Each (In a Pack of 5)
Unité
100 μH 6A Through Hole 35mΩ ±20% 25mm - - 11mm 25 (Dia.) x 11mm Ferrite, Iron Powder - 8mm WE-FI
N° de stock RS 167-8295
Référence fabricantB82111E0000C025
MarqueEPCOS
0,481 €
Each (On a Reel of 1000)
Unité
100 μH 1A Axial 650mΩ ±20% 6.5mm 27.4mm - - 6.5 (Dia.) x 27.4mm Ferrite 55MHz - B82111E
N° de stock RS 167-6211
Référence fabricant1468508C
3,499 €
Each (In a Box of 15)
Unité
6.8 mH 800mA Radial 1.884Ω ±10% - 32.2mm 31.3mm 23.3mm 32.2 x 31.3 x 23.3mm - 400kHz 28.5mm 1400
N° de stock RS 191-0504
Référence fabricantB78108S1153K000
MarqueEPCOS
0,312 €
Each (In a Pack of 10)
Unité
15 μH 610mA Axial 600mΩ ±10% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 20MHz - BC