2SC3957 Silicon NPN Epitaxial, Darlington Applica.
Hitachi Semiconductor
2SC3957 - Silicon NPN Transistor
2SC3957 Silicon NPN Epitaxial, Darlington Application High gain amplifier Outline MPAK-4 2 1 3 1 4 3 1. Collector 2. Emitter 3. Base 4. NC 2 .