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 Stock No. 104-8448
BrandRS PRO
PHP322.035
Each (In a Pack of 2)
units
100 μH 10A Radial 0.044mΩ ±15% 50mm - - 21mm 50 (Dia.) x 21mm - - - DP
RS Stock No. 173-0065
BrandRS PRO
PHP297.052
Each (In a Box of 36)
units
100 μH 1A Radial 44mΩ ±15% 50mm - - 21mm 50 (Dia.) x 21mm - - - DP
RS Stock No. 104-8433
BrandRS PRO
PHP104.48
Each (In a Pack of 5)
units
1 mH 1A Radial 0.426mΩ ±15% 26mm - - 13mm 26 (Dia.) x 13mm - - - DP
RS Stock No. 173-0046
BrandRS PRO
PHP95.291
Each (In a Box of 160)
units
1 mH 1A Radial 426mΩ ±15% 26mm - - 13mm 26 (Dia.) x 13mm - - - DP
RS Stock No. 104-8447
BrandRS PRO
PHP402.435
Each (In a Pack of 2)
units
68 μH 10A Radial 0.042mΩ ±15% 50mm - - 21mm 50 (Dia.) x 21mm - - - DP
RS Stock No. 173-0063
BrandRS PRO
PHP252.361
Each (In a Box of 36)
units
68 μH 1A Radial 42mΩ ±15% 50mm - - 21mm 50 (Dia.) x 21mm - - - DP
RS Stock No. 228-179
BrandRS PRO
PHP170.26
Each
units
100 μH 550mA Axial 670mΩ - 3.3mm 67.54mm - 9.14mm 3.3 (Dia.) x 9.14mm Ferrite - - APIE0309
RS Stock No. 228-141
BrandRS PRO
PHP157.40
Each
units
10 μH 1.5A Axial 95mΩ - 3.3mm 67.54mm - 9.14mm 3.3 (Dia.) x 9.14mm Ferrite - - APIE0309
RS Stock No. 104-8436
BrandRS PRO
PHP77.084
Each (In a Pack of 5)
units
100 μH 3A Radial 0.08mΩ ±15% 25mm - - 12mm 25 (Dia.) x 12mm - - - DP
RS Stock No. 173-0037
BrandRS PRO
PHP65.513
Each (In a Box of 160)
units
100 μH 3A Radial 80mΩ ±15% 25mm - - 12mm 25 (Dia.) x 12mm - - - DP
RS Stock No. 173-0039
BrandRS PRO
PHP61.104
Each (In a Box of 160)
units
68 μH 5A Radial 55mΩ ±15% 26mm - - 12mm 26 (Dia.) x 12mm - - - DP
RS Stock No. 104-8418
BrandRS PRO
PHP72.329
Each (In a Pack of 10)
units
47 μH 1A Radial 0.063mΩ ±15% 14mm - - 8mm 14 (Dia.) x 8mm - - - DP
RS Stock No. 104-8441
BrandRS PRO
PHP94.78
Each (In a Pack of 5)
units
220 μH 3A Radial 0.134mΩ ±15% 29mm - - 13mm 29 (Dia.) x 13mm - - - DP
RS Stock No. 104-8440
BrandRS PRO
PHP71.298
Each (In a Pack of 5)
units
68 μH 5A Radial 0.055mΩ ±15% 26mm - - 12mm 26 (Dia.) x 12mm - - - DP
RS Stock No. 173-0042
BrandRS PRO
PHP89.335
Each (In a Box of 96)
units
100 μH 5A Radial 59mΩ ±15% 30mm - - 13mm 30 (Dia.) x 13mm - - - DP
RS Stock No. 173-0226
BrandRS PRO
PHP64.995
Each (In a Box of 480)
units
47 μH 1A Radial 63mΩ ±15% 14mm - - 8mm 14 (Dia.) x 8mm - - - DP
RS Stock No. 173-0043
BrandRS PRO
PHP91.463
Each (In a Box of 96)
units
220 μH 3A Radial 134mΩ ±15% 29mm - - 13mm 29 (Dia.) x 13mm - - - DP
RS Stock No. 104-8443
BrandRS PRO
PHP97.504
Each (In a Pack of 5)
units
100 μH 5A Radial 0.059mΩ ±15% 30mm - - 13mm 30 (Dia.) x 13mm - - - DP
RS Stock No. 173-0223
BrandRS PRO
PHP114.299
Each (In a Box of 480)
units
150 μH 1A Radial 123mΩ ±15% 15mm - - 9mm 15 (Dia.) x 9mm - - - DP
RS Stock No. 104-8432
BrandRS PRO
PHP159.236
Each (In a Pack of 5)
units
470 μH 1A Radial 0.18mΩ ±15% 27mm - - 12mm 27 (Dia.) x 12mm - - - DP