| Manufacturer | Part Number | Description |
|---|---|---|
NXP Semiconductors
| PZTA44 | NPN high-voltage transistor |
Unisonic Technologies
| PZTA44 | HIGH VOLTAGE TRANSISTOR |
Weitron Technology
| PZTA44 | NPN Silicon Planar Epitaxial Transistor |
SeCoS Halbleitertechnologie GmbH
| PZTA44-C | NPN Silicon Medium Power Transistor |
