BD140 Transistor Datasheet & Specifications
PNP
TO-126
General Purpose
ST
VCEO
80V
Ic Max
1.5A
Pd Max
1.25W
hFE Gain
63
Quick Reference
The BD140 is a PNP bipolar transistor in a TO-126 package by ST. This datasheet provides complete specifications including 80V breakdown voltage and 1.5A continuous collector current. Download the BD140 datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | ST | Original Manufacturer |
| Package | TO-126 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 80V | Breakdown voltage |
| Ic | 1.5A | Collector current |
| Pd | 1.25W | Power dissipation |
| DC Current Gain | 63 | hFE / Beta |
| Frequency | - | Transition speed (fT) |
| VCEsat | 500mV | Saturation voltage |
| Vebo | 5V | Emitter-Base voltage |
| Cutoff Current | 100nA | Leakage (ICBO) |
| Temp | -65℃~+150℃ | Operating temp |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| MJE172 | PNP | TO-126 | 80V | 3A | 12.5W |
| BD238 | PNP | TO-126 | 100V | 1.5A | 1W |
| BD680ASTU-HXY | PNP | TO-126 | 80V | 4A | 2W |