| Manufacturer | Part Number | Description |
|---|---|---|
STMicroelectronics
| 2N4427 | Silicon Planar NPN Transistor |
NXP Semiconductors
| 2N4427 | Silicon planar epitaxial overlay transistors |
ASI
| 2N4427 | NPN SILICON HIGH FREQUENCY TRANSISTOR |
Central Semiconductor
| 2N4427 | SILICON NPN RF TRANSISTOR |
Microsemi (now Microchip Technology)
| 2N4427 | RF & MICROWAVE DISCRETE LOW POWER TRANSISTORS |
Motorola Semiconductor (now NXP Semiconductors)
| 2N4427 | HIGH FREQUENCY TRANSISTOR |
Advanced Power Technology
| 2N4427 | RF & MICROWAVE DISCRETE LOW POWER TRANSISTORS |
