ZTX551 Transistor Datasheet & Specifications
PNP
TO-92
General Purpose
DIODES
VCEO
60V
Ic Max
1A
Pd Max
1W
hFE Gain
50
Quick Reference
The ZTX551 is a PNP bipolar transistor in a TO-92 package by DIODES. This datasheet provides complete specifications including 60V breakdown voltage and 1A continuous collector current. Download the ZTX551 datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | DIODES | Original Manufacturer |
| Package | TO-92 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 60V | Breakdown voltage |
| Ic | 1A | Collector current |
| Pd | 1W | Power dissipation |
| DC Current Gain | 50 | hFE / Beta |
| Frequency | 150MHz | Transition speed (fT) |
| VCEsat | 350mV | Saturation voltage |
| Vebo | 5V | Emitter-Base voltage |
| Cutoff Current | 100nA | Leakage (ICBO) |
| Temp | -55℃~+200℃ | Operating temp |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| 2SB1116AG-G-T92-B | PNP | TO-92 | 60V | 1A | 750mW |
| ZTX792ASTZ | PNP | TO-92 | 70V | 2A | 1W |
| ZTX957 | PNP | TO-92 | 300V | 1A | 1.2W |
| BC640 | PNP | TO-92 | 80V | 1A | 830mW |
| BC640 | PNP | TO-92 | 80V | 1A | 830mW |
| ZTX753 | PNP | TO-92 | 100V | 2A | 1W |
| ZTX705 | PNP | TO-92 | 120V | 1A | 1W |