FMMT491QTA Transistor Datasheet & Specifications
NPN
SOT-23
General Purpose
DIODES
VCEO
60V
Ic Max
1A
Pd Max
500mW
hFE Gain
80
Quick Reference
The FMMT491QTA is a NPN bipolar transistor in a SOT-23 package by DIODES. This datasheet provides complete specifications including 60V breakdown voltage and 1A continuous collector current. Download the FMMT491QTA datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | DIODES | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 60V | Breakdown voltage |
| Ic | 1A | Collector current |
| Pd | 500mW | Power dissipation |
| DC Current Gain | 80 | 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 |
|---|---|---|---|---|---|
| ZXTN2020FTA | NPN | SOT-23 | 100V | 4A | 1.2W |
| DNBT8105-7 | NPN | SOT-23 | 60V | 1A | 600mW |
| FMMT493ATA | NPN | SOT-23 | 60V | 1A | 500mW |
| FMMT491TA | NPN | SOT-23 | 60V | 1A | 500mW |
| ZXTN25100DFHTA | NPN | SOT-23 | 100V | 2.5A | 1.25W |
| NSS1C201LT1G | NPN | SOT-23 | 100V | 2A | 710mW |
| ZXTN2018FTA | NPN | SOT-23 | 60V | 5A | 1.56W |
| FMMT493TA | NPN | SOT-23 | 100V | 1A | 500mW |
| PBSS4160T,215 | NPN | SOT-23 | 60V | 1A | 1.25W |
| FMMT493 | NPN | SOT-23 | 100V | 1A | 500mW |