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transformer heating problem with tny268, 12v/1.25Amp design

Posted by: pmits_11 on

Dear Sir,
I am using tny268 for my 12v/1.25Amp design, but i am facing transformer heating problem with load 500ma only. Here i am attaching transformer specification and schematic.
I am using this design from last 3 year. Now i want to place in small plastic enclosure s o that i want to target this heating problem.

Regards
Mital Pawar

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Submitted by PI-Spock on 10/20/2010

Please post this question in the Main forum as its not related to PI Expert.