| Manufacturer | Part Number | Description |
|---|---|---|
NTE Electronics (defunct)
| MJ10012 | NPN Silicon Power Darlington Transistor |
SavantIC
| MJ10012 | Silicon NPN Power Transistors |
Motorola Semiconductor (now NXP Semiconductors)
| MJ10012 | 10 AMPERE POWER TRANSISTORS |
Inchange Semiconductor
| MJ10012T | Silicon NPN Power Transistor |
Wing Shing Computer Components
| MJ10012 | NPN Silicon Transistor |
