FMMT458TA Transistor Datasheet & Specifications
NPNSOT-23General Purpose
VCEO
400V
Ic Max
225mA
Pd Max
500mW
Gain
100
Quick Reference
The FMMT458TA is a NPN bipolar transistor in a SOT-23 package. This datasheet provides complete specifications including 400V breakdown voltage and 225mA continuous collector current. Download the FMMT458TA datasheet PDF below for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | DIODES | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| VCEO | 400V | Breakdown voltage |
| IC Max | 225mA | Collector current |
| Pd Max | 500mW | Power dissipation |
| Gain | 100 | DC current gain |
| Frequency | 50MHz | Transition speed |
| VCEsat | 200mV | Saturation voltage |
| Vebo | 7V | Emitter-Base voltage |
| Temp | -55℃~+150℃ | Operating temp |
Direct Replacements & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| DN350T05-7 | NPN | SOT-23 | 350V | 500mA | 300mW |
| MMBTA42Q-7-F | NPN | SOT-23 | 300V | 500mA | 300mW |
| MMBTA42 | NPN | SOT-23 | 300V | 300mA | 350mW |
| SMMBTA42LT1G | NPN | SOT-23 | 300V | 500mA | 225mW |
| SMMBTA42LT3G | NPN | SOT-23 | 300V | 500mA | 225mW |
| MMBTA42-7-F | NPN | SOT-23 | 300V | 500mA | 300mW |
| MMBTA42 | NPN | SOT-23 | 300V | 300mA | 350mW |