| Part Number | D1257 |
| Manufacturer | Panasonic |
| Title | 2SD1257 |
| Description | Power Transistors 2SD1257, 2SD1257A www..com Silicon NPN epitaxial planar type For power switching Complementary to 2SB934 10.0±0.3 ... |
| Features |
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Low collector to emitter saturation voltage VCE(sat) Satisfactory linearity of foward current transfer ratio hFE Large collector current IC N type package enabling direct soldering of the radiating fin to the printed circuit board, etc. of s...
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| Datasheet |
 D1257 Datasheet
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