FMMT491 Transistor Datasheet & Specifications
NPN
SOT-23
General Purpose
R+O
VCEO
60V
Ic Max
1A
Pd Max
250mW
hFE Gain
300
Quick Reference
The FMMT491 is a NPN bipolar transistor in a SOT-23 package by R+O. This datasheet provides complete specifications including 60V breakdown voltage and 1A continuous collector current. Download the FMMT491 datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | R+O | 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 | 300 | hFE / Beta |
| Frequency | 150MHz | Transition speed (fT) |
| VCEsat | 500mV | Saturation voltage |
| Vebo | 5V | Emitter-Base voltage |
| Cutoff Current | 100nA | Leakage (ICBO) |
| Temp | - | 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 |