Help with SMB BJT identification?

- D
- DaveC
  
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posted
8 years ago

Tue, Mar 22, 2016 6:27 AM

3-terminal (well 4, including the tab) SOT-89/TO-243 (4.5 x 2.5 mm) package.

Marked:

2108A 2216/36

Thanks.

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- D
- DaveC
  
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posted
8 years ago

Tue, Mar 22, 2016 6:56 AM

Well, ?BJT? may be a misnomer. Don?t know what it is...

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- Tilmann Reh
  
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posted
8 years ago

Tue, Mar 22, 2016 8:45 AM

DaveC schrieb:

Probably.

Maybe it's a MicrOne ME2108A - a switching regulator. PDFs may be available only with chinese (or the like) text...

Tilmann

P.S. Google for SOT89 2108A to get some results...

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- DaveC
  
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posted
8 years ago

Tue, Mar 22, 2016 3:52 PM

Thanks Tilmann. Found a useful datasheet:

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The example for the 2108A in the datasheet duplicates the one in my circuit.

Cheers.

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