| Manufacturer | Part Number | Description |
|---|---|---|
Motorola Semiconductor (now NXP Semiconductors) |
2N4900 | Medium-power PNP silicon transistors |
| 2N4900 | POWER TRANSISTORS | |
Seme LAB |
2N4900X | PNP EPITAXIAL BASE MEDIUM POWER TRANSISTOR |
| 2N4900 | Silicon PNP Power Transistors |