MMBTA43 Transistor Datasheet & Specifications
NPN
SOT-23
General Purpose
Huixin
VCEO
200V
Ic Max
500mA
Pd Max
350mW
hFE Gain
40
Quick Reference
The MMBTA43 is a NPN bipolar transistor in a SOT-23 package by Huixin. This datasheet provides complete specifications including 200V breakdown voltage and 500mA continuous collector current. Download the MMBTA43 datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | Huixin | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 200V | Breakdown voltage |
| Ic | 500mA | Collector current |
| Pd | 350mW | Power dissipation |
| DC Current Gain | 40 | hFE / Beta |
| Frequency | 50MHz | Transition speed (fT) |
| VCEsat | 500mV@20mA,2mA | Saturation voltage |
| Vebo | 5V | Emitter-Base voltage |
| Cutoff Current | - | Leakage (ICBO) |
| Temp | - | Operating temp |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| DN350T05-7 | NPN | SOT-23 | 350V | 500mA | 300mW |
| MMBTA42 | NPN | SOT-23 | 200V | 500mA | 350mW |
| MMBTA42Q-7-F | NPN | SOT-23 | 300V | 500mA | 300mW |
| 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 |
| FMMT497TA | NPN | SOT-23 | 300V | 500mA | 500mW |
| LMBTA42LT1G | NPN | SOT-23 | 300V | 500mA | 225mW |