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Station X · 2nd Feb 2016, 7:34 pm

My initial thought was a 28V regulator, but I couldn't find a data sheet for a 7828. On a diode test it tests like a transistor. Would a VR do that?

Tried to photograph it under artificial light, but it won't play ball. I'll photograph it outside in natural sunlight tomorrow.

2nd Feb 2016, 7:34 pm	#7
Station X Moderator Join Date: Jan 2003 Location: Ipswich, Suffolk, IP4, UK. Posts: 21,289	Re: What are these devices? My initial thought was a 28V regulator, but I couldn't find a data sheet for a 7828. On a diode test it tests like a transistor. Would a VR do that? Tried to photograph it under artificial light, but it won't play ball. I'll photograph it outside in natural sunlight tomorrow. __________________ Graham. Forum Moderator Reach for your meter before you reach for your soldering iron.