| Manufacturer | Part Number | Description |
|---|---|---|
| 2N4899 | POWER TRANSISTORS | |
| 2N4899 | Silicon PNP Power Transistors | |
Seme LAB |
2N4899X | PNP EPITAXIAL BASE MEDIUM POWER TRANSISTOR |
Motorola Semiconductor (now NXP Semiconductors) |
2N4899 | Medium-power PNP silicon transistors |