[time-nuts] LPRO C137
Bob Camp
lists at cq.nu
Thu Jan 7 01:43:06 UTC 2010
Hi
Just found a good picture of the inside of an LPRO. It looks like C137 starts out life as a ceramic part. They don't normally blow up ....
Anybody else see this happening?
Bob
On Jan 6, 2010, at 7:40 PM, Bob Camp wrote:
> Hi
>
> Something to watch out for on LPRO's:
>
> C137 on the input is apparently a tantalum capacitor. It's right across the supply leads with no series resistance. I just got an LPRO in with a burned hole in the board where C137 used to be. First clue was the remains of the capacitor rattling around inside the case.
>
> Bob
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