ZTX949 Transistor Datasheet & Specifications
PNPTO-92General Purpose
VCEO
30V
Ic Max
4.5A
Pd Max
1.58W
Gain
300
Quick Reference
The ZTX949 is a PNP bipolar transistor in a TO-92 package. This datasheet provides complete specifications including 30V breakdown voltage and 4.5A continuous collector current. Download the ZTX949 datasheet PDF below for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | DIODES | Original Manufacturer |
| Package | TO-92 | Physical mounting |
| VCEO | 30V | Breakdown voltage |
| IC Max | 4.5A | Collector current |
| Pd Max | 1.58W | Power dissipation |
| Gain | 300 | DC current gain |
| Frequency | - | Transition speed |
| VCEsat | - | Saturation voltage |
| Vebo | 100MHz | Emitter-Base voltage |
| Temp | -55℃~+200℃ | Operating temp |
Direct Replacements & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| S9012(RANGE:144-202) | PNP | TO-92 | 25V | 500mA | 625mW |
| ZTX549 | PNP | TO-92 | 30V | 1A | 1W |
| SS8550(RANGE:160-300) | PNP | TO-92 | 25V | 1.5A | 1W |
| ZTX1149A | PNP | TO-92 | 25V | 3A | 1W |
| SS8550-TA | PNP | TO-92 | 25V | 1.5A | 625mW |
| SS8550 | PNP | SOT-23 | 25V | 1.5A | 300mW |