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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รายละเอียดสินค้า / Description ราคา / 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. 489-0318
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.744824101
THB162.50
Each
Units
1 mH 10A Radial 7mΩ ±30% - 27.5mm 18.5mm 33mm 27.5 x 18.5 x 33mm - - 10mm WE-CMB
RS Stock No. 163-5564
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.7448063801
THB759.255
Each (In a Box of 15)
Units
2 x 1.5 mH 38A Through Hole 2 x 2.3mΩ -30 → +50% - 48mm 27mm 46mm 48 x 27 x 46mm Nano Crystalline 1 kHz → 300 MHz 10mm WE-CMBNC
RS Stock No. 816-4862
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.7448063801
THB723.10
Each
Units
2 x 1.5 mH 38A Through Hole 2 x 2.3mΩ -30 → +50% - 48mm 27mm 46mm 48 x 27 x 46mm Nano Crystalline 1 kHz → 300 MHz 10mm WE-CMBNC
RS Stock No. 163-3398
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.744824101
THB157.50
Each (In a Box of 25)
Units
1 mH 10A Radial 7mΩ ±30% - 27.5mm 18.5mm 33mm 27.5 x 18.5 x 33mm - - 10mm WE-CMB
RS Stock No. 489-0396
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.7448256033
THB177.49
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. 162-1302
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.7448256033
THB181.031
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. 163-3401
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.744824433
THB163.149
Each (In a Box of 25)
Units
3.3 mH 4A Radial 35mΩ ±30% - 27.5mm 18.5mm 33mm 27.5 x 18.5 x 33mm - - 10mm WE-CMB
RS Stock No. 163-3404
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.744825320
THB183.54
Each (In a Tray of 20)
Units
20 mH 3A Radial 160mΩ ±30% - 30.5mm 19mm 35mm 30.5 x 19 x 35mm - - 25mm WE-CMB HC
RS Stock No. 489-0425
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.744825320
THB182.81
Each
Units
20 mH 3A Radial 160mΩ ±30% - 30.5mm 19mm 35mm 30.5 x 19 x 35mm - - 25mm WE-CMB HC
RS Stock No. 489-0330
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.744824433
THB157.77
Each
Units
3.3 mH 4A Radial 35mΩ ±30% - 27.5mm 18.5mm 33mm 27.5 x 18.5 x 33mm - - 10mm WE-CMB
RS Stock No. 163-3405
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.744825510
THB181.031
Each (In a Tray of 20)
Units
10 mH 5A Radial 55mΩ ±30% - 30.5mm 21mm 35mm 30.5 x 21 x 35mm - - 25mm WE-CMB HC
RS Stock No. 163-3337
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.744772047
THB23.07
Each (In a Tray of 140)
Units
4.7 μH 4A Radial 18mΩ ±20% 8.3mm - - 10mm 8.3 (Dia.) x 10mm Ferrite - 5mm WE-TI
RS Stock No. 432-4366
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.744772047
THB27.16
Each: (In a Pack of 10)
Units
4.7 μH 4A Radial 18mΩ ±20% 8.3mm - - 10mm 8.3 (Dia.) x 10mm Ferrite - 5mm WE-TI
RS Stock No. 489-0419
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.744825510
THB182.81
Each
Units
10 mH 5A Radial 55mΩ ±30% - 30.5mm 21mm 35mm 30.5 x 21 x 35mm - - 25mm WE-CMB HC
RS Stock No. 163-3225
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.744133
THB30.18
Each (In a Bag of 100)
Units
75 μH 5.8A Lead Wire 40mΩ ±20% 24mm - 13mm - 24 (Dia.) x 13mm Ferrite - 11.5mm WE-SI
RS Stock No. 816-4783
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.7448031501
THB379.44
Each
Units
2 x 1 mH 15A Through Hole 2 x 3.3mΩ -30 → +50% - 23mm 17mm 25mm 23 x 17 x 25mm Nano Crystalline 1 kHz → 300 MHz 7.5mm WE-CMBNC
RS Stock No. 163-5542
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.7448031501
THB279.688
Each (In a Box of 90)
Units
2 x 1 mH 15A Through Hole 2 x 3.3mΩ -30 → +50% - 23mm 17mm 25mm 23 x 17 x 25mm Nano Crystalline 1 kHz → 300 MHz 7.5mm WE-CMBNC
RS Stock No. 163-3224
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.7441110
THB78.75
Each (In a Bag of 50)
Units
1.619 mH 1.8A Lead Wire 480mΩ ±20% 30mm - 14.5mm - 30 (Dia.) x 14.5mm Ferrite - 12.5mm WE-SI
RS Stock No. 163-3799
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.7448421016
THB250.94
Each (In a Tray of 40)
Units
16 μH 10A Radial 3mΩ ±30% - 18.5mm 14.5mm 22mm 18.5 x 14.5 x 22mm - - 7.7mm WE-CMB
RS Stock No. 334-9207
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.7441110
THB89.48
Each
Units
1.619 mH 1.8A Lead Wire 480mΩ ±20% 30mm - 14.5mm - 30 (Dia.) x 14.5mm Ferrite - 12.5mm WE-SI