FMMT491 Transistor Datasheet & Specifications
NPN
SOT-23
General Purpose
Shikues
VCEO
25V
Ic Max
1A
Pd Max
300mW
hFE Gain
200
Quick Reference
The FMMT491 is a NPN bipolar transistor in a SOT-23 package by Shikues. This datasheet provides complete specifications including 25V 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 | Shikues | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 25V | Breakdown voltage |
| Ic | 1A | Collector current |
| Pd | 300mW | Power dissipation |
| DC Current Gain | 200 | hFE / Beta |
| Frequency | 100MHz | 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 |
| FMMT491ATA | NPN | SOT-23 | 40V | 1A | 500mW |
| DNBT8105-7 | NPN | SOT-23 | 60V | 1A | 600mW |
| SS8050 | NPN | SOT-23 | 25V | 1.5A | 300mW |
| ZXTN2040FTA | NPN | SOT-23 | 40V | 1A | 310mW |
| FMMT493ATA | NPN | SOT-23 | 60V | 1A | 500mW |
| PBSS4350T,215 | NPN | SOT-23 | 50V | 2A | 300mW |
| NSS40201LT1G | NPN | SOT-23 | 40V | 2A | 460mW |
| FMMT491TA | NPN | SOT-23 | 60V | 1A | 500mW |
| PBSS4230T,215 | NPN | SOT-23 | 30V | 2A | 480mW |