MMBTA42 Transistor Datasheet & Specifications
NPN
SOT-23
General Purpose
BORN
VCEO
300V
Ic Max
200mA
Pd Max
350mW
hFE Gain
200
Quick Reference
The MMBTA42 is a NPN bipolar transistor in a SOT-23 package by BORN. This datasheet provides complete specifications including 300V breakdown voltage and 200mA continuous collector current. Download the MMBTA42 datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | BORN | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 300V | Breakdown voltage |
| Ic | 200mA | Collector current |
| Pd | 350mW | Power dissipation |
| DC Current Gain | 200 | hFE / Beta |
| Frequency | 50MHz | Transition speed (fT) |
| VCEsat | 200mV | Saturation voltage |
| Vebo | 5V | Emitter-Base voltage |
| Cutoff Current | 250nA | Leakage (ICBO) |
| Temp | -55℃~+150℃ | Operating temp |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| DN350T05-7 | NPN | SOT-23 | 350V | 500mA | 300mW |
| FMMT458TA | NPN | SOT-23 | 400V | 225mA | 500mW |
| 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 |
| S-MMBTA42LT1G | NPN | SOT-23 | 300V | 500mA | 350mW |
| MMBTA42 | NPN | SOT-23 | 300V | 500mA | 350mW |
| MMBTA44 | NPN | SOT-23 | 400V | 200mA | 350mW |