Electronic Products & Technology

Common-mode chokes serve LED lighting applications

Stephen Law   

Electronics Optoelectronics choke EMC filter LED lighting

SCHAFFNER ED100/ED101 EMC filter series has been designed specifically for the requirements of LED driver circuits. Device’s common-mode inductance is matched by a substantial differential-mode inductance. With only one component required on the pcb both types of noise can be mitigated, saving cost and space while increasing reliability. Product’s differential mode noise mitigation is available in two performance options depending on requirements: High (ED100) and very high (ED101). Devices are suitable for a maximum continuous operating voltage of 300Vac, 50 / 60Hz and meet the requirements for RoHS and REACH regulations.

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