BD437 Transistor Datasheet & Specifications
NPNTO-126General Purpose
VCEO
45V
Ic Max
4A
Pd Max
36W
Gain
-
Quick Reference
The BD437 is a NPN bipolar transistor in a TO-126 package. This datasheet provides complete specifications including 45V breakdown voltage and 4A continuous collector current. Download the BD437 datasheet PDF below for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | ST | Original Manufacturer |
| Package | TO-126 | Physical mounting |
| VCEO | 45V | Breakdown voltage |
| IC Max | 4A | Collector current |
| Pd Max | 36W | Power dissipation |
| Gain | - | 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 |
|---|---|---|---|---|---|
| BD13516STU-HXY | NPN | TO-126 | 45V | 1.5A | 1W |
| BD136 | NPN | TO-126 | 45V | 1.5A | 1W |
| BD135-16 | NPN | TO-126 | 45V | 1.5A | 1.25W |
| BD437 | NPN | TO-126 | 45V | 4A | 36W |