BD242B Transistor Datasheet & Specifications
PNPTO-220General Purpose
VCEO
80V
Ic Max
3A
Pd Max
2W
Gain
25
Quick Reference
The BD242B is a PNP bipolar transistor in a TO-220 package. This datasheet provides complete specifications including 80V breakdown voltage and 3A continuous collector current. Download the BD242B datasheet PDF below for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | ST | Original Manufacturer |
| Package | TO-220 | Physical mounting |
| VCEO | 80V | Breakdown voltage |
| IC Max | 3A | Collector current |
| Pd Max | 2W | Power dissipation |
| Gain | 25 | DC current gain |
| Frequency | - | Transition speed |
| VCEsat | 1.2V | Saturation voltage |
| Vebo | - | Emitter-Base voltage |
| Temp | -65℃~+150℃ | Operating temp |
Direct Replacements & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| TIP42C-HXY | PNP | TO-220 | 100V | 3A | 2W |
| TIP42C | PNP | ITO-220AB-3 | 100V | 9A | 65W |
| D45H11 | PNP | TO-220 | 80V | 10A | 50W |
| TIP42C | PNP | ITO-220AB-3 | 100V | 9A | 65W |
| TIP127 | PNP | TO-220 | 100V | 5A | 2W |
| TIP32CL-TA3-T | PNP | TO-220 | 100V | 3A | 2W |
| TIP127 | PNP | TO-220 | 100V | 5A | 2W |
| TIP127 | PNP | TO-220 | 100V | 5A | 2W |
| D45H11G | PNP | TO-220 | 80V | 10A | 70W |
| TIP107 | PNP | TO-220 | 100V | 8A | 2W |