BD438 Transistor Datasheet & Specifications
PNPTO-126-3General Purpose
VCEO
45V
Ic Max
4A
Pd Max
36W
Gain
130
Quick Reference
The BD438 is a PNP bipolar transistor in a TO-126-3 package. This datasheet provides complete specifications including 45V breakdown voltage and 4A continuous collector current. Download the BD438 datasheet PDF below for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | ST | Original Manufacturer |
| Package | TO-126-3 | Physical mounting |
| VCEO | 45V | Breakdown voltage |
| IC Max | 4A | Collector current |
| Pd Max | 36W | Power dissipation |
| Gain | 130 | DC current gain |
| Frequency | - | Transition speed |
| VCEsat | - | Saturation voltage |
| Vebo | 3MHz | Emitter-Base voltage |
| Temp | -65℃~+150℃ | Operating temp |
Direct Replacements & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| BD438S | PNP | TO-126-3 | 45V | 4A | 36W |