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 Stock No. 850-7271
Mfr. Part No.CTX100-5-52-R
PHP236.741
Each (In a Pack of 32)
units
100 μH 8.2A Radial 27mΩ ±20% 37.8mm - - 16.8mm 37.8 (Dia.) x 16.8mm Iron - 13.6mm CTX
RS Stock No. 110-1305
Mfr. Part No.ELC08D331E
BrandPanasonic
PHP20.953
Each (In a Bag of 1000)
units
330 μH 500mA Radial 420mΩ ±10% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS Stock No. 233-5241
Mfr. Part No.ELC08D331E
BrandPanasonic
PHP34.818
Each (In a Pack of 5)
units
330 μH 500mA Radial 420mΩ ±10% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS Stock No. 617-1366
Mfr. Part No.744132
PHP160.53
Each
units
49 μH 5.8A Lead Wire 50mΩ ±20% 21mm - 9.5mm - 21 (Dia.) x 9.5mm Ferrite - 8.5mm WE-SI
RS Stock No. 163-3398
Mfr. Part No.744824101
PHP264.56
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. 163-3634
Mfr. Part No.744132
PHP114.34
Each (In a Bag of 100)
units
49 μH 5.8A Lead Wire 50mΩ ±20% 21mm - 9.5mm - 21 (Dia.) x 9.5mm Ferrite - 8.5mm WE-SI
RS Stock No. 489-0318
Mfr. Part No.744824101
PHP269.97
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. 163-3397
Mfr. Part No.744823601
PHP197.566
Each (In a Box of 90)
units
1 mH 6A Radial 13mΩ ±30% - 25mm 17mm 26.5mm 25 x 17 x 26.5mm - - 10.7mm WE-CMB
RS Stock No. 489-0267
Mfr. Part No.744823601
PHP253.09
Each
units
1 mH 6A Radial 13mΩ ±30% - 25mm 17mm 26.5mm 25 x 17 x 26.5mm - - 10.7mm WE-CMB
RS Stock No. 871-1521
Mfr. Part No.B82731M2351A030
BrandEPCOS
PHP115.84
Each (In a Bag of 3)
units
100 mH 350mA Radial 4.5Ω -30 → +50% - 21mm 15mm 20mm 21 x 15 x 20mm Ferrite 10kHz 12.5mm B82731M
RS Stock No. 617-1316
Mfr. Part No.7447036
PHP105.35
Each
units
220 μH 1.6A Lead Wire 220mΩ ±20% 14mm - 7.5mm - 14 (Dia.) x 7.5mm Composite Iron Powder - 6mm WE-FI
RS Stock No. 742-7982
Mfr. Part No.PE-53114NL
BrandPulse
PHP117.676
Each (In a Bag of 5)
units
470 μH 640mA Radial 160mΩ ±20% - 24.64mm 15.5mm 27.94mm 24.64 x 15.5 x 27.94mm - - 11.44mm -
RS Stock No. 110-1302
Mfr. Part No.ELC08D101E
BrandPanasonic
PHP15.943
Each (In a Bag of 1000)
units
100 μH 800mA Radial 120mΩ ±10% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS Stock No. 233-5213
Mfr. Part No.ELC08D101E
BrandPanasonic
PHP42.684
Each (In a Pack of 5)
units
100 μH 800mA Radial 120mΩ ±10% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS Stock No. 106-7755
Mfr. Part No.22R104C
PHP29.381
Each (In a Bag of 100)
units
100 μH 670mA Radial 390mΩ ±10% - 7.7mm - 10.5mm - - 7MHz 3mm 2200R
RS Stock No. 173-2183
Mfr. Part No.PE-53114NL
BrandPulse
PHP149.131
Each (On a Reel of 20)
units
470 μH 640mA Radial 160mΩ ±20% - 24.64mm 15.5mm 27.94mm 24.64 x 15.5 x 27.94mm - - 11.44mm -
RS Stock No. 638-7785
Mfr. Part No.22R104C
PHP28.322
Each (In a Pack of 10)
units
100 μH 670mA Radial 390mΩ ±10% - 7.7mm - 10.5mm - - 7MHz 3mm 2200R
RS Stock No. 163-3723
Mfr. Part No.7447036
PHP54.557
Each (In a Bag of 300)
units
220 μH 1.6A Lead Wire 220mΩ ±20% 14mm - 7.5mm - 14 (Dia.) x 7.5mm Composite Iron Powder - 6mm WE-FI
RS Stock No. 167-0382
Mfr. Part No.B82731M2351A030
BrandEPCOS
PHP82.413
Each (In a Box of 800)
units
100 mH 350mA Radial 4.5Ω -30 → +50% - 21mm 15mm 20mm 21 x 15 x 20mm Ferrite 10kHz 12.5mm B82731M
RS Stock No. 177-6024
Mfr. Part No.744862082
PHP144.289
Each (In a Box of 106)
units
2 x 8.2 mH 500mA Through Hole 2 x 1.3Ω -30 → +50% - 17mm 11mm 17mm 17 x 11 x 17mm Ferrite - 8mm WE-TFC Series
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