NJW3281G Datasheet & Equivalents
NPN
TO-3P
High Power
SPTECH
VCEO
250V
Ic Max
15A
Pd Max
200W
hFE Gain
150
Quick Reference
The NJW3281G is a NPN bipolar junction transistor in a TO-3P package, manufactured by SPTECH. It supports a breakdown voltage of 250V and continuous collector current of 15A. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | SPTECH | Original Manufacturer |
| Package | TO-3P | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 250V | Max breakdown voltage |
| Collector Current (Ic) | 15A | Max current handling |
| Power Dissipation (Pd) | 200W | Max thermal limit |
| DC Current Gain (hFE) | 150 | Base signal amplification ratio |
| Transition Frequency (fT) | - | Max operating frequency |
| Saturation Voltage (VCEsat) | 600mV | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | 5V | Max emitter-base breakdown |
| Collector Cutoff Current | 50mA | Leakage current when OFF |
| Operating Temp | - | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| NJW0281G | NPN | TO-3P | 250V | 15A | 150 | 150W | SPTECH 📄 PDF |
| NJW0281G | NPN | TO-3P | 250V | 15A | 75 | 150W | onsemi 📄 PDF |
| MJL1302AG | NPN | TO-3P | 250V | 16A | 160 | 200W | OSEN 📄 PDF |
| MJL3281A | NPN | TO-3P | 250V | 16A | 160 | 200W | OSEN 📄 PDF |
| NJW1302G-OSEN | NPN | TO-3P | 250V | 16A | 160 | 200W | OSEN 📄 PDF |
| NJW3281G-OSEN | NPN | TO-3P | 250V | 16A | 160 | 200W | OSEN 📄 PDF |
| NJW21194G | NPN | TO-3P | 250V | 16A | 160 | 200W | OSEN 📄 PDF |
| NJW21194G | NPN | TO-3P | 250V | 16A | 20 | 200W | onsemi 📄 PDF |
| MN1526 | NPN | TO-3P | 260V | 15A | 140 | 150W | SPTECH 📄 PDF |
| MJL4281AG | NPN | TO-3P | 350V | 15A | 160 | 230W | OSEN 📄 PDF |
| 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 |