BC556B Transistor Datasheet & Specifications
PNP
TO-92
General Purpose
DIOTEC
VCEO
65V
Ic Max
100mA
Pd Max
500mW
hFE Gain
200
Quick Reference
The BC556B is a PNP bipolar transistor in a TO-92 package by DIOTEC. This datasheet provides complete specifications including 65V breakdown voltage and 100mA continuous collector current. Download the BC556B datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | DIOTEC | Original Manufacturer |
| Package | TO-92 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 65V | Breakdown voltage |
| Ic | 100mA | Collector current |
| Pd | 500mW | Power dissipation |
| DC Current Gain | 200 | hFE / Beta |
| Frequency | 150MHz | Transition speed (fT) |
| VCEsat | - | Saturation voltage |
| Vebo | - | Emitter-Base voltage |
| Cutoff Current | - | Leakage (ICBO) |
| Temp | -55℃~+150℃ | Operating temp |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| MPSA92-TA | PNP | TO-92 | 305V | 200mA | 625mW |
| ZTX792ASTZ | PNP | TO-92 | 70V | 2A | 1W |
| ZTX957 | PNP | TO-92 | 300V | 1A | 1.2W |
| BC640 | PNP | TO-92 | 80V | 1A | 830mW |
| ZTX558STZ | PNP | TO-92 | 400V | 200mA | 1W |
| BC640 | PNP | TO-92 | 80V | 1A | 830mW |
| MPSA56-TA | PNP | TO-92 | 80V | 500mA | 625mW |
| ZTX753 | PNP | TO-92 | 100V | 2A | 1W |
| 2N5401 | PNP | TO-92 | 150V | 600mA | 625mW |
| ZTX705 | PNP | TO-92 | 120V | 1A | 1W |