MJF31CG Datasheet & Equivalents
NPN
TO-220F
High Power
onsemi
VCEO
100V
Ic Max
3A
Pd Max
28W
hFE Gain
50
Quick Reference
The MJF31CG is a NPN bipolar junction transistor in a TO-220F package, manufactured by onsemi. It supports a breakdown voltage of 100V and continuous collector current of 3A. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | onsemi | Original Manufacturer |
| Package | TO-220F | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 100V | Max breakdown voltage |
| Collector Current (Ic) | 3A | Max current handling |
| Power Dissipation (Pd) | 28W | Max thermal limit |
| DC Current Gain (hFE) | 50 | Base signal amplification ratio |
| Transition Frequency (fT) | 3MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | - | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | - | Max emitter-base breakdown |
| Collector Cutoff Current | - | Leakage current when OFF |
| Operating Temp | -65℃~+150℃ | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| 2SD1816G-R-TF3-T | NPN | TO-220F | 100V | 4A | 560 | 2W | UTC 📄 PDF |
| TIP41CF-U/PF | NPN | TO-220F | 100V | 6A | 75 | 25W | KEC 📄 PDF |