| Manufacturer | Part Number | Description |
|---|---|---|
| 2SD2177 | Silicon NPN Transistor | |
ROHM |
2SD2170 | Medium Power Transistor |
| 2SD2177A | Silicon NPN Transistor | |
| ETC Unknown Manufacturer | 2SD217 | (2SD217 / 2SD218) NPN SILICON EPITAXIAL MESA TRANSISTOR |
| 2SD2179 | Silicon NPN Transistor | |
ROHM |
2SD2171S | (2SDxxxx) MEDIUM POWER TRANSISTOR |
| 2SD2178 | Silicon NPN epitaxial planar type Transistor | |
| 2SD2179 | Silicon PNP Transistor | |
| 2SD2176 | NPN Epitaxial Planar Silicon Transistor |