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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

RE: Help what is a D1913 Chip?

I am guessing it is a 2SD1913 NPN transistor.

The 2 means two junctions and the S means silicon, it is very common to leave this suffix off of transistor markings as it is pretty much implied.

A, B, C, and D are frequency response characteristics.

Always try putting a "2S" in front of three legged devices that start with the letters A, B, C, or D.

So chances are no you can not just replace it with a 7805.

Edits: 07/04/12

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  • RE: Help what is a D1913 Chip? - Tweekeng 23:11:12 07/04/12 (0)


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