Ultimate protection for high power DC applications
An ATC Semitec product story
Edited by the Electronicstalk editorial team Mar 1, 2007
Fast-acting protection device for high-power DC applications combines thermal fuse element and resistor on a single substrate.
The Sefuse D6X offers a new concept in thermal fuse technology.
By combining a thermal fuse element and resistor on a single substrate, NEC has created a fast-acting ultimate protection device for high power DC applications up to 12A/32V DC.
The D6X works on two principles.
First, it operates like a conventional thermal fuse which will open when the local ambient temperature reaches the fuse's operating temperature.
Secondly it responds to an overcurrent signal from a monitoring circuit, which self-heats the resistor, thus opening the adjacent fuse.
The D6X was designed to fit neatly in the space between adjacent MOSFETs, thus improving response time and minimising board space required.
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