| Manufacturer | Part Number | Description |
|---|---|---|
Texas Instruments
| 2N1890 | Silicon NPN Transistor |
VPT Components
| 2N1890 | NPN Low Power Silicon Transistor |
Microsemi (now Microchip Technology)
| 2N1890 | NPN LOW POWER SILICON TRANSISTOR |
VPT Components
| 2N1890S | NPN Low Power Silicon Transistor |