BUF420A Transistor Datasheet & Specifications
NPNTO-3PNGeneral Purpose
VCEO
450V
Ic Max
30A
Pd Max
200W
Gain
50
Quick Reference
The BUF420A is a NPN bipolar transistor in a TO-3PN package. This datasheet provides complete specifications including 450V breakdown voltage and 30A continuous collector current. Download the BUF420A datasheet PDF below for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | SPTECH | Original Manufacturer |
| Package | TO-3PN | Physical mounting |
| VCEO | 450V | Breakdown voltage |
| IC Max | 30A | Collector current |
| Pd Max | 200W | Power dissipation |
| Gain | 50 | DC current gain |
| Frequency | 20MHz | Transition speed |
| VCEsat | 800mV | Saturation voltage |
| Vebo | 7V | Emitter-Base voltage |
| Temp | - | Operating temp |