BD441 Transistor Datasheet & Specifications
NPN
TO-126
High Power
YFW
VCEO
80V
Ic Max
4A
Pd Max
25W
hFE Gain
40
Quick Reference
The BD441 is a NPN bipolar transistor in a TO-126 package by YFW. This datasheet provides complete specifications including 80V breakdown voltage and 4A continuous collector current. Download the BD441 datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | YFW | Original Manufacturer |
| Package | TO-126 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 80V | Breakdown voltage |
| Ic | 4A | Collector current |
| Pd | 25W | Power dissipation |
| DC Current Gain | 40 | hFE / Beta |
| Frequency | 3MHz | Transition speed (fT) |
| VCEsat | 800mV | Saturation voltage |
| Vebo | 5V | Emitter-Base voltage |
| Cutoff Current | - | Leakage (ICBO) |
| Temp | - | Operating temp |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| BD237STU-HXY | NPN | TO-126 | 100V | 15A | 1W |
| BD681 | NPN | TO-126 | 100V | 4A | 2W |
| BD681 | NPN | TO-126 | 100V | 4A | 40W |