.
2SC4121 - PNP/NPN Epitaxial Planar Silicon Transistors
LTC4121 - 40V 400mA Synchronous Step-Down Battery Charger
C4121 - PNP/NPN Epitaxial Planar Silicon Transistors
CY7C4121KV13 - 144-Mbit QDR-IV HP SRAM
LTC4121-4.2 - 40V 400mA Synchronous Step-Down Battery Charger