I posted this in the Mechanical Engineering section but perhaps it should have been in here as I haven't seen much response to it.
thread391-156025
regards
Pete
I have been having a debate with another engineer over the effectiveness of a thermal fuse being used to monitor parts on a PCB.
Imagine the following;
A PCB say 100 x 100mm fitted with parts such as ICs, resistors and MOSFETS.
The assembled PCB is encapsulated in a potting material such as...
Looking for an "intrinsically safe" relay driver circuit. In particular it must be fail safe which suggest series circuits rather than parallel circuit.
thanks
