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Lighting solutions for camper equipment

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SirPeale:
I've disassembled the florescent fixture.  Here's the circuit board.  Quite simple.  The transistor is a D882 (and I'm not sure what it does, NTE quickcross says it's an audio something or another).  And the transformer doesn't have any markings.

Edit: not sure why it didn't show up. 




ChadTower:

Looks like a regular transistor.  Base/collector/emitter.

SirPeale:
There are lots of NPN transistors; I would like to know specifically what this one does.

ChadTower:

I don't understand the question - it acts as a transistor.  It doesn't do anything other than act as an electronic switch.  It's not an IC. 

SirPeale:
I don't know myself; when I first built my Joule Thief I used an NPN transistor in the same package type as what was called for, and it didn't work.  Swapped it out for the proper NPN (which crosses to an NTE123) and it works.

Like I said, I don't know about this stuff.  There are differences between all these parts, but what makes this NPN different from another one?  That I've got no clue.

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