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庫存編號 172-7064
製造零件編號RLB0912-102KL
BrandBourns
TWD7.50
個 (以毎袋:200)
單位
1 mH 200mA Radial - ±10% 8.7mm - - 10mm 8.7 (Dia.) x 10mm Ferrite 1.9MHz 5mm RLB
RS庫存編號 811-8825
製造零件編號RLB0912-102KL
BrandBourns
TWD11.10
個 (以毎袋:10)
單位
1 mH 200mA Radial 4.3Ω ±10% 8.7mm - - 10mm 8.7 (Dia.) x 10mm Ferrite 1.9MHz 5mm RLB
RS庫存編號 489-0166
製造零件編號744821150
TWD129.00
單位
5 mH 1A Radial 200mΩ ±30% - 15mm 7.5mm 18mm 15 x 7.5 x 18mm - - 10mm WE-CMB HC
RS庫存編號 308-8794
製造零件編號7447076
TWD174.00
單位
150 μH 6.1A Lead Wire 45mΩ ±20% 27.5mm - 14mm - 27.5 (Dia.) x 14mm Composite Iron Powder - 11.5mm WE-FI
RS庫存編號 163-3299
製造零件編號7447076
TWD165.50
個 (以毎盒:30)
單位
150 μH 6.1A Lead Wire 45mΩ ±20% 27.5mm - 14mm - 27.5 (Dia.) x 14mm Composite Iron Powder - 11.5mm WE-FI
RS庫存編號 489-0318
製造零件編號744824101
TWD254.00
單位
1 mH 10A Radial 7mΩ ±30% - 27.5mm 18.5mm 33mm 27.5 x 18.5 x 33mm - - 10mm WE-CMB
RS庫存編號 167-0399
製造零件編號B82747E6253A040
BrandEPCOS
TWD415.10
個 (以毎盒:40)
單位
1 mH 25A Radial 2.8mΩ -30 → +50% - 65mm 37mm 66mm 65 x 37 x 66mm Ferrite 10kHz 20mm B82747E
RS庫存編號 163-3399
製造零件編號744824220
TWD176.40
個 (以毎盒:25)
單位
20 mH 2A Radial 220mΩ ±30% - 27.5mm 18.5mm 33mm 27.5 x 18.5 x 33mm - - 10mm WE-CMB
RS庫存編號 871-1363
製造零件編號B82726S2163N030
BrandEPCOS
TWD271.00
單位
2.2 mH 16A Radial 7.1mΩ ±30% - 50mm 23mm 49mm 50 x 23 x 49mm Ferrite 10kHz 18mm B82726S
RS庫存編號 163-3398
製造零件編號744824101
TWD170.20
個 (以毎盒:25)
單位
1 mH 10A Radial 7mΩ ±30% - 27.5mm 18.5mm 33mm 27.5 x 18.5 x 33mm - - 10mm WE-CMB
RS庫存編號 167-0422
製造零件編號B82726S2163N030
BrandEPCOS
TWD233.50
個 (以毎盒:156)
單位
2.2 mH 16A Radial 7.1mΩ ±30% - 50mm 23mm 49mm 50 x 23 x 49mm Ferrite 10kHz 18mm B82726S
RS庫存編號 871-1405
製造零件編號B82747E6253A040
BrandEPCOS
TWD448.00
單位
1 mH 25A Radial 2.8mΩ -30 → +50% - 65mm 37mm 66mm 65 x 37 x 66mm Ferrite 10kHz 20mm B82747E
RS庫存編號 163-3404
製造零件編號744825320
TWD198.40
Each (In a Tray of 20)
單位
20 mH 3A Radial 160mΩ ±30% - 30.5mm 19mm 35mm 30.5 x 19 x 35mm - - 25mm WE-CMB HC
RS庫存編號 489-0425
製造零件編號744825320
TWD201.00
單位
20 mH 3A Radial 160mΩ ±30% - 30.5mm 19mm 35mm 30.5 x 19 x 35mm - - 25mm WE-CMB HC
RS庫存編號 167-0312
製造零件編號B82721K2202N001
BrandEPCOS
TWD50.40
個 (以毎盒:720)
單位
1 mH 2A Radial 80mΩ ±30% - 18.2mm 13.2mm 20.3mm 18.2 x 13.2 x 20.3mm Ferrite - 10 mm, 15 mm B82721A
RS庫存編號 122-3298
製造零件編號SMV60
TWD165.00
單位
120 μH 6A Radial 40mΩ - - 32mm 17mm 30mm 32 x 17 x 30mm Ferrite - 7.62 mm, 10.16 mm, 25.4 mm SMV
RS庫存編號 489-0352
製造零件編號744824220
TWD179.00
單位
20 mH 2A Radial 220mΩ ±30% - 27.5mm 18.5mm 33mm 27.5 x 18.5 x 33mm - - 10mm WE-CMB
RS庫存編號 772-0133
製造零件編號B82721K2202N001
BrandEPCOS
TWD95.00
單位
1 mH 2A Radial 80mΩ ±30% - 18.2mm 13.2mm 20.3mm 18.2 x 13.2 x 20.3mm Ferrite - 10 mm, 15 mm B82721A
RS庫存編號 228-141
BrandRS PRO
TWD79.00
單位
10 μH 750mA Axial 95mΩ - 3.3mm 9.14mm - - 3.3 (Dia.) x 9.14mm Ferrite - - APIE0309
RS庫存編號 170-9318
製造零件編號11R104C
TWD9.30
個 (在毎卷:200)
單位
100 μH 350mA - 1.1Ω ±10% 5mm - - 7.5mm 5 (Dia.) x 7.5mm - 1kHz 2mm 1100R