A42 Transistor Datasheet & Specifications
NPN
SOT-89
General Purpose
MSKSEMI
VCEO
305V
Ic Max
200mA
Pd Max
500mW
hFE Gain
100
Quick Reference
The A42 is a NPN bipolar transistor in a SOT-89 package by MSKSEMI. This datasheet provides complete specifications including 305V breakdown voltage and 200mA continuous collector current. Download the A42 datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | MSKSEMI | Original Manufacturer |
| Package | SOT-89 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 305V | Breakdown voltage |
| Ic | 200mA | Collector current |
| Pd | 500mW | Power dissipation |
| DC Current Gain | 100 | hFE / Beta |
| Frequency | 50MHz | Transition speed (fT) |
| VCEsat | - | Saturation voltage |
| Vebo | - | Emitter-Base voltage |
| Cutoff Current | - | Leakage (ICBO) |
| Temp | -55℃~+150℃ | Operating temp |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| FCX658ATA | NPN | SOT-89 | 400V | 500mA | 1W |
| FCX458TA | NPN | SOT-89 | 400V | 225mA | 2W |
| PBHV8540X,115 | NPN | SOT-89 | 400V | 500mA | 520mW |