| Manufacturer | Part Number | Description |
|---|---|---|
Mospec Semiconductor |
MJ4030 | Power Transistors |
| MJ4030 | (MJ4030 - MJ4032) MEDIUM POWER COMPLEMENTARY SILICON TRANSISTORS | |
Motorola Semiconductor (now NXP Semiconductors) |
MJ4030 | Power Transistor |
| MJ4030 | Silicon PNP Darlingtion Power Transistor | |
| MJ4032 | (MJ4030 - MJ4032) MEDIUM POWER COMPLEMENTARY SILICON TRANSISTORS | |
| MJ4031 | (MJ4030 - MJ4032) MEDIUM POWER COMPLEMENTARY SILICON TRANSISTORS |