FZT491ATA Transistor Datasheet & Specifications
NPNSOT-223General Purpose
VCEO
40V
Ic Max
1A
Pd Max
2W
Gain
300
Quick Reference
The FZT491ATA is a NPN bipolar transistor in a SOT-223 package. This datasheet provides complete specifications including 40V breakdown voltage and 1A continuous collector current. Download the FZT491ATA datasheet PDF below for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | DIODES | Original Manufacturer |
| Package | SOT-223 | Physical mounting |
| VCEO | 40V | Breakdown voltage |
| IC Max | 1A | Collector current |
| Pd Max | 2W | Power dissipation |
| Gain | 300 | DC current gain |
| Frequency | 150MHz | Transition speed |
| VCEsat | 500mV | Saturation voltage |
| Vebo | 7V | Emitter-Base voltage |
| Temp | -55℃~+150℃ | Operating temp |
Direct Replacements & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| DJT4031N-13 | NPN | SOT-223 | 40V | 3A | 1.2W |
| BCP54TA | NPN | SOT-223 | 45V | 1A | 2W |
| NJT4031NT1G | NPN | SOT-223 | 40V | 3A | 2W |
| FZT690BTA | NPN | SOT-223 | 45V | 3A | 3W |
| NJV4031NT1G | NPN | SOT-223 | 40V | 3A | 2W |
| BCP54-16 | NPN | SOT-223 | 45V | 1A | 1.5W |
| PZT2222A | NPN | SOT-223 | 40V | 600mA | 1.15W |
| BCP54 | NPN | SOT-223 | 45V | 1A | 1.33W |
| TPBCP54-16 | NPN | SOT-223 | 45V | 1A | 1.5W |
| PZT3904 | NPN | SOT-223 | 40V | 200mA | 625mW |