George S posted:I missed the earlier thread. Where did you get these? I wired up some old Marx warning flashers with some I found. I got one from Circuitron, but I blew one of the transistors on it. I replaced the transistor, but I think it blew again.
I believe the 15 cent transistors in Rod's board are rated to 49 Amps which I'm guessing are a tad beefier than what Circuitron uses.