Ordering number:EN2956 NPN Triple Diffused Planar.
C4123 - 2SC4123
2SC4123 - NPN Transistor
2SC4123 - SILICON POWER TRANSISTOR
MIC4123 - Dual 3A Peak Low-Side MOSFET Drivers
MIC4123 - Dual 3A-Peak Low-Side MOSFET Driver