ZTX649STZ Transistor Datasheet & Specifications
NPN
TO-92
General Purpose
DIODES
VCEO
25V
Ic Max
2A
Pd Max
1W
hFE Gain
100
Quick Reference
The ZTX649STZ is a NPN bipolar transistor in a TO-92 package by DIODES. This datasheet provides complete specifications including 25V breakdown voltage and 2A continuous collector current. Download the ZTX649STZ 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 | 25V | Breakdown voltage |
| Ic | 2A | Collector current |
| Pd | 1W | Power dissipation |
| DC Current Gain | 100 | hFE / Beta |
| Frequency | 240MHz | Transition speed (fT) |
| VCEsat | 500mV | 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 |
|---|---|---|---|---|---|
| ZTX853 | NPN | TO-92 | 100V | 4A | 1.2W |
| ZTX1053A | NPN | TO-92 | 75V | 3A | 1W |
| D882S-TA(RANGE:200-400) | NPN | TO-92 | 30V | 3A | 625mW |
| 2SD1857L-Q-T92-B | NPN | TO-92 | 120V | 2A | 625mW |
| ZTX849 | NPN | TO-92 | 30V | 5A | 1.58W |
| ZTX1051A | NPN | TO-92 | 40V | 4A | 1W |