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ISO1212: Power dissipation on Rth resistor

Prodigy 40 points

Replies: 9

Views: 149

Part Number: ISO1212

Hi,

I'm looking for a solution for the relays contact weld detection

The solution from TIDA-010071 looks good, but I have a question:

What will be power dissipation on resistors R71, R72? (Considering 240VAC input)