Current-compensated Chokes

Common Mode Chokes RC series


Current-compensated Chokes

  • Rated currents from 0.25 to 0.7 A
  • DC to 400 Hz frequency
  • 100 kHz to 3 MHz common-mode resonance frequency
  • Dual-choke configurations
  • Multiple PCB-mounting options

Features and Benefits

High saturation resistance and excellent thermal behavior
Through hole pin connections
Dual-choke configuration
Small compact design
Multiple housing options
Custom-specific versions are available on request
Environmental friendly open design

Typical Applications

Switch-mode power applications
DC/DC converters
HVAC, typically in EMI input filter for ventilation
LED driver circuit
For suppression-equipment with no earth connection, e.g. medical
Phase-angle control circuits in combination with saturating chokes
Consumer electronics, EDP, test equipment, electronic ballasts in lamps etc.
Applicable for low frequency signaling effective from 10kHz to 30MHz

Technical Specifications

Rated operating voltage

250 VAC

Surge current @ 10 msec

20 x I<sub>N</sub> @ 25°C

Rated inductance

4.7 to 47 MILLIHENRY

4.7 to 47 mH

Stray inductance

Typically 1% of L<sub>N</sub>

Inductance reduction (DC bias with IN)

Less than 10% (25°C)

Temperature range (operation and storage)

-40°C to 125°C (40/125/56)

acc. IEC 60068-1

Flammability corresponding to

UL 94V-0

Design corresponding to

IEC/EN 60938-2

MTBF @ Rated amb. Temp./Voltage (Mil-HB-217F)

> 5,000,000 hours

Operating frequency

DC to 400 Hz

Rated currents

0.25 to 0.7 A

0.25 to 0.7 A @ rated ambient temperature


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    +91-95386 78655 / +91-74832 76147

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    No 9/36,Vaishnavi Sapphire centre, 2nd floor,Room 09,Tumkur road, Yeshwantpur, Bangalore -560022