| Manufacturer | Part Number | Description |
|---|---|---|
NEC (now Renesas Electronics) |
C5023CS | UPC5023 |
| KSC5023 | NPN Epitaxial Silicon Transistor | |
Hitachi Semiconductor (now Renesas) |
C5023 | 2SC5023 |
| 2SC5023 | Silicon NPN Epitaxial Type Transistor | |
| KSC5023 | Silicon NPN Power Transistor |