HFMMT491QTA Transistor Datasheet & Specifications
NPN
SOT-23
General Purpose
HXY MOSFET
VCEO
60V
Ic Max
1A
Pd Max
250mW
hFE Gain
80
Quick Reference
The HFMMT491QTA is a NPN bipolar transistor in a SOT-23 package by HXY MOSFET. This datasheet provides complete specifications including 60V breakdown voltage and 1A continuous collector current. Download the HFMMT491QTA datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | HXY MOSFET | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 60V | Breakdown voltage |
| Ic | 1A | Collector current |
| Pd | 250mW | 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 |