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庫存編號 172-7285
製造零件編號2301-V-RC
BrandBourns
HK$32.85
個 (以毎袋:50)
單位
10 μH 20A Radial - ±15% 32.51mm - 0.65in - 32.512 (Dia.) x 16.51mm - - 14.224mm 2300
RS庫存編號 167-8353
製造零件編號B78108S1183K000
BrandEPCOS
HK$7,002.41
毎卷:5000 個
Reel(s)
18 μH 580mA Axial 670mΩ ±10% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 17MHz - BC
RS庫存編號 124-1530
製造零件編號7447060
HK$20.156
/個 (每包:5個)
單位
300 μH 2.5A Through Hole 150mΩ ±20% 21mm - - 11mm 21 (Dia.) x 11mm Ferrite, Iron Powder - 9mm WE-FI
RS庫存編號 228-416
製造零件編號1410454C
HK$27.31
單位
100 μH 5.4A Radial 42mΩ ±10% - 26.4mm 24.4mm 14mm 26.4 x 24.4 x 14mm - 4.6MHz 23.6mm 1400
RS庫存編號 172-9914
製造零件編號2309-H-RC
BrandBourns
HK$34.493
個 (以毎袋:36)
單位
47 μH 10.7A Radial 16mΩ ±15% 32.51mm - - 0.65in 32.512 (Dia.) x 16.51mm - - 28.956mm 2300
RS庫存編號 736-1015
製造零件編號5800-100-RC
BrandBourns
HK$7.948
個 (以毎袋:5)
單位
10 μH 1.28A Axial 33mΩ ±10% 6.985mm 17.78mm - - 6.985 (Dia.) x 17.78mm Ferrite - - 5800
RS庫存編號 750-0743
製造零件編號ELC18B3R3L
BrandPanasonic
HK$16.854
個 (以毎袋:5)
單位
3.3 μH 8.5A Radial 10mΩ ±20% 18mm - - 27mm 18 (Dia.) x 27mm Ferrite - 7.5mm ELC18B
RS庫存編號 163-7918
製造零件編號7447211471
HK$13.275
Each (In a Tray of 80)
單位
470 μH 1A Radial 530mΩ ±10% 11mm - - 15mm 11 (Dia.) x 15mm Ferrite 1.6MHz 4 x 5mm WE-TIF
RS庫存編號 106-7774
製造零件編號1447385C
HK$20.64
個 (以毎盒:25)
單位
47 μH 8.5A Radial 21mΩ ±10% - 28.3mm 25.9mm 15.5mm 28.3 x 25.9 x 15.5mm - 6.7MHz 23.8mm 1400
RS庫存編號 106-7735
製造零件編號1447423C
HK$18.95
個 (以毎盒:25)
單位
470 μH 2.3A Radial 222mΩ ±10% - 27.2mm 25.9mm 15.5mm 27.2 x 25.9 x 15.5mm - 2MHz 23.3mm 1400
RS庫存編號 715-7184
製造零件編號15474C
HK$23.04
單位
470 μH 1.4A Radial 389mΩ ±10% 16.8mm - - 21.3mm 16.8 (Dia.) x 21.3mm - 1.3MHz 14.2mm 1500
RS庫存編號 110-1292
製造零件編號ELC08D2R7E
BrandPanasonic
HK$2.414
個 (以毎袋:1000)
單位
2.7 μH 6.3A Radial 11mΩ ±20% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS庫存編號 166-6931
製造零件編號ELC18B3R3L
BrandPanasonic
HK$10.789
個 (以毎袋:500)
單位
3.3 μH 8.5A Radial 10mΩ ±20% 18mm - - 27mm 18 (Dia.) x 27mm Ferrite - 7.5mm ELC18B
RS庫存編號 852-3630
製造零件編號IHA105EB
BrandVishay
HK$21.82
單位
1 mH 1.4A Axial 600mΩ ±10% 13.97mm - - 29.85mm 13.97 (Dia.) x 29.85mm Ferrite 1kHz - IHA
RS庫存編號 288-200
製造零件編號SF1120
HK$20.05
單位
4 mH - Flying Leads 1.8Ω ±20% 20mm - 9.5mm - 20 (Dia.) x 9.5mm Composite Iron Powder - - SF
RS庫存編號 163-3299
製造零件編號7447076
HK$48.602
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 675-5548
製造零件編號ELC16B680L
BrandPanasonic
HK$10.53
/個 (每包:5個)
單位
68 μH 3.2A Radial 57mΩ ±10% - 16mm - 23mm - Ferrite - 7.5mm ELC16B
RS庫存編號 106-7919
製造零件編號15474C
HK$14.243
個 (以毎盒:40)
單位
470 μH 1.4A Radial 389mΩ ±10% 16.8mm - - 21.3mm 16.8 (Dia.) x 21.3mm - 1.3MHz 14.2mm 1500
RS庫存編號 173-0065
BrandRS PRO
HK$40.133
個 (以毎盒:36)
單位
100 μH 10A Radial 44mΩ ±15% 50mm - - 21mm 50 (Dia.) x 21mm - - - DP
RS庫存編號 191-0655
製造零件編號B78108S1334J000
BrandEPCOS
HK$2.818
/個 (每包:10個)
單位
330 μH 190mA Axial 6.4Ω ±5% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 2.7MHz - BC