MJL4281AG Datasheet & Equivalents
NPN
TO-3P
High Power
OSEN
VCEO
350V
Ic Max
15A
Pd Max
230W
hFE Gain
160
Quick Reference
The MJL4281AG is a NPN bipolar junction transistor in a TO-3P package, manufactured by OSEN. It supports a breakdown voltage of 350V and continuous collector current of 15A. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | OSEN | Original Manufacturer |
| Package | TO-3P | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 350V | Max breakdown voltage |
| Collector Current (Ic) | 15A | Max current handling |
| Power Dissipation (Pd) | 230W | Max thermal limit |
| DC Current Gain (hFE) | 160 | Base signal amplification ratio |
| Transition Frequency (fT) | 10MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | 1V | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | 7V | Max emitter-base breakdown |
| Collector Cutoff Current | 100uA | Leakage current when OFF |
| Operating Temp | - | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| MJL4302AG | NPN | TO-3P | 350V | 15A | 160 | 230W | OSEN 📄 PDF |
| 2SC2751 | NPN | TO-3P | 400V | 15A | 80 | 120W | SPTECH 📄 PDF |
| WGD4515 | NPN | TO-3P | 400V | 15A | 50 | 120W | Wild Goose 📄 PDF |
| 2SC3320 | NPN | TO-3P | 400V | 15A | 10 | 80W | SPTECH 📄 PDF |
| 2SC4110 | NPN | TO-3P | 400V | 25A | 50 | 160W | SPTECH 📄 PDF |
| BUF420A | NPN | TO-3P | 450V | 30A | 50 | 200W | SPTECH 📄 PDF |
| 2SC3998 | NPN | TO-3P | 800V | 20A | 40 | 200W | XCH 📄 PDF |
| FJL6920 | NPN | TO-3P | 800V | 20A | 8 | 200W | SPTECH 📄 PDF |
| 2SC3998 | NPN | TO-3P | 800V | 25A | 4 | 250W | SPTECH 📄 PDF |
| 2SC5570 | NPN | TO-3P | 800V | 28A | 8 | 220W | SPTECH 📄 PDF |