| Manufacturer | Part Number | Description |
|---|---|---|
Usha
| 2N4125 | Amplifier transistor |
Motorola Semiconductor (now NXP Semiconductors)
| 2N4125 | AMPLIFIER TRANSISTORS |
| 2N4125 | PNP General Purpose Amplifier | |
NTE Electronics (defunct)
| 2N4125 | Silicon PNP Transistor |
| 2N4125 | PNP EPITAXIAL SILICON TRANSISTOR | |
| 2N4125 | SILICON TRANSISTORS | |
Toshiba
| 2N4125 | Silicon PNP Transistor |