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Leaded Inductors

Leaded inductors are devices that work as resistors to alter voltages and absorb electromagnetic interference, which can influence the status of electrical circuits in equipment. Leaded inductors are made of coils around magnetic cores and store energy as a magnetic field rather than an electric field, which is the way a capacitor stores energy. Leaded inductors come in a variety of shapes and sizes from RS Components, including axial, radial, through-hole, and panel-mount inductors.

What are Leaded Inductors Used for?

In both low-voltage and high-voltage circuits, asymmetrical interferences are suppressed using led inductors. Although they frequently have ferrite cores, leaded inductors can also have cores comprised of nanocrystalline materials or iron. They don't affect the signal when the voltage is low or DC and operate as continuous circuits to maintain the current flowing in the event of interference. Due to their high resistance, they may effectively block current flow in high voltage applications, protecting the circuit from damage-causing voltage spikes.

Types of Leaded Inductors

These inductors are available in a variety of geometries, such as linear, axial, radial, and through-hole components, with leads attached concentrically to the inductor cores' opposite ends.

Lead inductors come in two main types, VHF-choke and RF-choke:

  • VHF (very high frequency) versions are employed for line voltage applications to stop or filter EMI in minute applications or for decoupling in telecom and amusement electronics.
  • RF (radio frequency) versions are employed in low-frequency applications of the sensor signal and monitor circuits and are manufactured to block radio frequencies at the same time allowing audio signals to be transmitted.

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RN114-0.3-02, Schaffner

RN114-0.3-02, Schaffner

Schaffner RN Series Common Mode Chokes Premium range of common mode chokes from Schaffner provide the user with reliable AC power line noise filtration. Can be used in a wide range of applications such as phase-angle control circuits in combination with saturating chokes and EMI input filters. Rated currents from 0.3 →10 A DC → 1kHz frequency 100kHz → 3MHz common-mode resonance frequency Dual-choke configurations Multiple PCB-mounting options Small compact design High saturation resistance and excellent thermal behaviour Approvals UL recognised Schaffner Leaded Inductors (Chokes)
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ELC16B222L, Panasonic

ELC16B222L, Panasonic

Panasonic ELC16B Series Radial Choke Coils ELC16B choke coils from Panasonic are high performance pin terminal inductors. Compact size High Bm and high -μ ferrite core Wide inductor range Applications Suitable applications for these choke coils include PCs, fax machines, audio, VTR and CTV. Panasonic Leaded Inductors (Chokes)
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RS612-1-02, Schaffner

RS612-1-02, Schaffner

RS Series differential-mode filtration chokes (symmetric) Schaffner's RS 500/ 600 choke series have been designed for applications that include: power supply filters, multi-stage discrete component filters, symmetric / differential filters, storage chokes, switched-mode power supply chokes, chokes for dc/dc inverters and converters. Storage mode chokes Horizontal or vertical 4 PC pin Though hole mounting type 6 different housings Schaffner Leaded Inductors (Chokes)
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1468508C, Murata Power Solutions

1468508C, Murata Power Solutions

Murata 1400 Series High Current Radial Inductors Designed for use in power line applications such as switching regulators, filters and suppression circuits Constructed from high saturation flux density material enabling use in high current applications Suitable for PCB or chassis mounting using a non-magnetic fastener via the central fixing hole Terminated with easy-strip pre-tinned enamelled copper leads Lead length 10mm Operating temperature: -40 → +85°C Inductance Tolerance: ±10% Selection Guide & Dimensions Stock no. Inductance Current rating Diameter Height Lead dia. Pitch 228-416 100 uH 5.4 A 24.4 mm 14.0 mm 1.02 mm 23.6 mm 228-422 220 uH 3.5 A 24.4 mm 14.0 mm 0.85 mm 23.5 mm 228-438 330 uH 2.8 A 24.4 mm 14.0 mm 0.76 mm 23.4 mm 228-444 470 uH 2.3 A 24.4 mm 14.0 mm 0.67 mm 23.3 mm 228-551 1.0 mH 1.6 A 24.4 mm 14.0 mm 0.60 mm 23.2 mm 228-567 3.3 mH 0.7 A 24.4 mm 14.0 mm 0.60 mm 23.0 mm 228-573 10 mH 0.4 A 24.4 mm 14.0 mm 0.34 mm 22.9 mm 228-589 100 uH 7.8 A 29.8 mm 21.8 mm 1.30 mm 29.3 mm 228-595 220 uH 5.5 A 29.8 mm 21.8 mm 1.14 mm 29.1 mm 228-602 330 uH 4.5 A 29.8 mm 21.8 mm 1.02 mm 29.0 mm 228-618 470 uH 4.0 A 29.8 mm 21.8 mm 0.97 mm 29.0 mm Murata Leaded Inductors (Chokes)
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RN212-0.6-02, Schaffner

RN212-0.6-02, Schaffner

Schaffner RN Series Common Mode Chokes Premium range of common mode chokes from Schaffner provide the user with reliable AC power line noise filtration. Can be used in a wide range of applications such as phase-angle control circuits in combination with saturating chokes and EMI input filters. Rated currents from 0.3 →10 A DC → 1kHz frequency 100kHz → 3MHz common-mode resonance frequency Dual-choke configurations Multiple PCB-mounting options Small compact design High saturation resistance and excellent thermal behaviour Approvals UL recognised Schaffner Leaded Inductors (Chokes)
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RI403PC, Schaffner

RI403PC, Schaffner

Schaffner RI series current compensated Choke The RI series of saturation chokes from Schaffner change impedance at the moment of switching, the series can be used to attenuate differential-mode noise or symmetrical interference as generated in fast switching high current applications. Schaffners RI series chokes are typically used in conjunction with suppression capacitors. Features: Simple installation Exellent thermal behaviour Single or dual-choke configurations Up to 25A Schaffner Leaded Inductors (Chokes)
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GLA-20-0009, Tamura

GLA-20-0009, Tamura

Tamura's choke coils being manufactured through the study on unique features of carefully selected magnetic metal materials, under the highest levels of magnetic characteristics and electric designing technology. Magnetic metal materials provide a high saturation magnetic flux density and good stability for the humidity, which are suitable to make the cores in light weight and miniature size. Amorphous wound cores with special heat treatment are used in the coil. GLA (for high power) Very low core loss at high frequency. Designable for small-size/light weight compared with ferrite core and dust core. Low leakage of flux density due to gap-less structure. Stabilized inductance for temperature. APPLICATIONS:For smoothing switching power supplies output. For active filter for harmonic suppressor. For DC-DC converter. For normal mode line filter. For noise prevention of TV, audio device etc. GLA For high-power, excellent d.c. Superposition characteristics.
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7448227005, Wurth Elektronik

7448227005, Wurth Elektronik

Wurth WE-CMB XS, M and XL Series Common Mode Chokes From Wurth Elektronik, the WE-CMB series of common modes chokes are a compact solution delivering high suppression of asymmetrical interferences, even at low frequency ranges. WE-CMB series common mode chokes offer the highest possible current for their ultra compact size. WE-CMB common mode chokes feature broadband screening due to the anti-capacitance coiling technique that has been incorporated into the design. Features and Benefits: Compact design Climatic category: 40/125/21 IEC 60938-2 Flammability: UL 49 V-0 Wide operating temperature range of -40°C to +125°C Product Applications: WE-CMB common mode chokes are ideal for the suppression of common mode noise and the suppression of radio interferences in motors. Suitable applications include power line in and output filters, power electronics and the filtering of devices lacking a ground connection. Wurth Leaded Inductors (Chokes)
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7448640415, Wurth Elektronik

7448640415, Wurth Elektronik

Wurth WE-FC Series Common Mode Chokes Closed rectangular ferrite core 2-section winding for excellent high frequency performance 1% stray inductance for symmetrical interference suppression Recyclable due to no encapsulation 2kV AC Isolation Voltage Applications include, switch mode power supplies and electronic ballasts for lamps. Wurth Leaded Inductors (Chokes)
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B82144F2102K000, EPCOS

B82144F2102K000, EPCOS

Epcos B82144F2 LBC Series RF Chokes Epcos B82144F2 LBC series RF chokes are suitable for use in telecommunications, energy saving lamps and entertainment electronics. They can also be used for RF blocking and filtering and decoupling and interference suppression. These inductors are constructed from a large ferrite drum core with enamel copper wire winding and a flame retardant lacquer coating. Very high rated current Very wide inductance range Suitable for wave soldering Inductance indicated b colour bands in accordance with IEC 60062 Electroplated with nickel and pure tin
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7448051804, Wurth Elektronik

7448051804, Wurth Elektronik

Wurth WE-CMBNC Series Common Mode Power Line Chokes Very high permeability nanocrystalline core material Improved isolation throughit's plastic case and winding spacer High and stable inductance values at high temperatures High rated currents Broadband suppression Small size Frequency range: 1 kHz-300 MHz Applications include: Power electronics Power line input and output filters Radio interference suppression in motors Suppression for common mode noise Wurth Leaded Inductors (Chokes)
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744741221, Wurth Elektronik

744741221, Wurth Elektronik

Wurth WE-TI Series Radial Filter Chokes Characteristics Radial through-hole inductor Maximum current up to 4.5A High saturation core material Small size Standardised lead spacing is 5mm Operating temperature: -25°C → +85°C Applications Signal filtering Switches, switching power supply for small and medium voltage Power supply filter Wurth Leaded Inductors (Chokes)
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