| Manufacturer | Part Number | Description |
|---|---|---|
| 2N525 | PNP Germanium Transistors | |
SSDI |
2N5251 | NPN Transistor |
| Semiconductor Technology | 2N5252 | (2N5xxx) High Voltage Silicon Low and Medium Power Transistors |
Motorola Semiconductor (now NXP Semiconductors) |
2N525 | PNP Transistor |
Seme LAB |
2N5252 | Bipolar NPN Device |
SSDI |
2N5250 | NPN Transistor |