On Wed, 17 Dec 2008 22:25:13 +0000, Jonathan Schneider
put finger to keyboard and composed:

Best guess is not a tranny but a dual zener (like part WOST05C) with
common anodes on the middle pin. Probing others onboard adds credence
to this though I'm very much open to suggestions.

Jon

I haven't checked all of the following, but they appear to be similar
parts with the same marking code:

http://www.microsemi.com/datasheets/MSC1378.PDF (SM05)
http://www.secosgmbh.com:8081/datash...03C~SMD36C.pdf
(SMD05C)
http://soft.laogu.com/datasheet/103/...NJIT_87495.pdf (PJSMS05)
http://www.datasheet4u.com/html/S/M/...ation.pdf.html
(SM05)
http://www.datasheetarchive.com/pdf-...DSA-791422.pdf
(WOST05C)

- Franc Zabkar
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