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ST semi - CHN063AB.

Anyone know whether this is a thinly disguised MC34063? Its definitely a switcher of some sort. Thanks.
0 comments posted 12yrs
posted by gangprobing.alien
0 comments posted 12yrs posted by gangprobing.alien

Old transfo from Burroughs computer of the 70's

Hello, I have an old transformator from a Burroughs Corp (Holliwood) computer. 1431-4173 appears as number on it. It is...
3 comments posted 12yrs
posted by alpibucky
3 comments posted 12yrs posted by alpibucky

NiMH battery charger chip EW78P259NSO14J

Opened a Sanyo NC-MQN06U Ni-MH battery charger. The charging seems to be done by 4 half-watt resistors and a 14-pin SMT...
1 comments posted 12yrs
posted by cheney
1 comments posted 12yrs posted by cheney

BT 152 400R in TO2

Jim Hawkins
0 comments posted 12yrs
posted by jimhawkins
0 comments posted 12yrs posted by jimhawkins

5jg of passives for sale

Resistors (mostly 1/4 watt, but some wire-wound). Capacitors (various types, capacties, voltages). Total weight 5kg Fro...
5 comments posted 12yrs
posted by jimhawkins
5 comments posted 12yrs posted by jimhawkins

Switcher chips from a VGA card.

Scrap MX420 graphics card + modellers pencil blowtorch = pile of SMD parts on the bench. There's a couple of small 8-pi...
0 comments posted 12yrs
posted by gangprobing.alien
0 comments posted 12yrs posted by gangprobing.alien

6mm knobs on smaller shafts

Does anybody know of a way to use standard 6mm (1/4") knobs on surplus potentiometers with 3, 4 and 5 mm diameter shaft...
4 comments posted 12yrs
posted by asdf
4 comments posted 12yrs posted by asdf

Apollo Saturn V LVDC Board Teardown!!!!!!!

Getting down into the details of the booster guidance computer from IBM. http://www.youtube.com/watch?v=vZhRbzDZIDw&feat...
11 comments posted 13yrs
posted by td_03
11 comments posted 13yrs posted by td_03

lithium charging/protection modules

I was looking for some documentation about those dirt cheap Lithium charging/protection modules to no avail. http://goo....
0 comments posted 13yrs
posted by asdf
0 comments posted 13yrs posted by asdf

Resistor value

Hi, I'm working on a Insignia plasma, NS-42P650A11, no power, clicking, no pic,....no voltage coming out pins from data...
1 comments posted 13yrs
posted by stan1k1
1 comments posted 13yrs posted by stan1k1

What pots are used in these schematics?

There are several push/pull pots in the following schematics. Can anyone tell me what values they are? I need to replac...
1 comments posted 13yrs
posted by noreply
1 comments posted 13yrs posted by noreply

solid state relay Günther WG A5 6D 25V

Hello, Does anybody have the datasheet of this SSR ? What is the meaning of "V" after the "25" ? I know that "Z" stands...
4 comments posted 13yrs
posted by alpibucky
4 comments posted 13yrs posted by alpibucky