MJD31CAJ Datasheet & Equivalents
NPN
TO-252 (DPAK)
High Power
Nexperia
VCEO
100V
Ic Max
3A
Pd Max
15W
hFE Gain
10
Quick Reference
The MJD31CAJ is a NPN bipolar junction transistor in a TO-252 (DPAK) package, manufactured by Nexperia. 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 | Nexperia | Original Manufacturer |
| Package | TO-252 (DPAK) | 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) | 15W | Max thermal limit |
| DC Current Gain (hFE) | 10 | Base signal amplification ratio |
| Transition Frequency (fT) | 3MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | 1.2V | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | 6V | Max emitter-base breakdown |
| Collector Cutoff Current | 50uA | Leakage current when OFF |
| Operating Temp | -55℃~+150℃ | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| MJD31CJ | NPN | TO-252 (DPAK) | 100V | 3A | 10 | 1.6W | Nexperia 📄 PDF |
| MJD31CQ | NPN | TO-252 (DPAK) | 100V | 3A | 10 | 1.6W | YANGJIE 📄 PDF |
| NJVMJD31CG | NPN | TO-252 (DPAK) | 100V | 3A | 10 | 1.56W | onsemi 📄 PDF |
| MJD41C | NPN | TO-252 (DPAK) | 100V | 3A | - | 1W | HXY MOSFET 📄 PDF |
| MJD31C-13 | NPN | TO-252 (DPAK) | 100V | 3A | 25 | 15W | DIODES 📄 PDF |
| MJD31CG | NPN | TO-252 (DPAK) | 100V | 3A | 25 | 15W | onsemi 📄 PDF |
| MJD31CRLG | NPN | TO-252 (DPAK) | 100V | 3A | 25 | 15W | onsemi 📄 PDF |
| MJD31CT4G | NPN | TO-252 (DPAK) | 100V | 3A | 25 | 15W | onsemi 📄 PDF |
| MJD31CUQ-13 | NPN | TO-252 (DPAK) | 100V | 3A | 25 | 1.6W | DIODES 📄 PDF |
| NJVMJD31CT4G | NPN | TO-252 (DPAK) | 100V | 3A | 25 | 15W | onsemi 📄 PDF |
| MJD31C | NPN | TO-252 (DPAK) | 100V | 3A | 25 | 1.25W | JSCJ 📄 PDF |
| 2SD1815S-TL-E | NPN | TO-252 (DPAK) | 100V | 3A | 40 | 20W | onsemi 📄 PDF |
| MJD31C | NPN | TO-252 (DPAK) | 100V | 3A | 75 | 1.25W | HXY MOSFET 📄 PDF |
| MJD31C | NPN | TO-252 (DPAK) | 100V | 3A | 80 | 1.56W | Huixin 📄 PDF |
| 2SD1815(RANGE:100-200) | NPN | TO-252 (DPAK) | 100V | 3A | 100 | 1W | JSCJ 📄 PDF |
| NSS1C301ET4G | NPN | TO-252 (DPAK) | 100V | 3A | 120 | 2.1W | onsemi 📄 PDF |
| NSV1C301ET4G | NPN | TO-252 (DPAK) | 100V | 3A | 200 | 2.1W | onsemi 📄 PDF |
| 2SD1816L-R-TN3-R | NPN | TO-252 (DPAK) | 100V | 4A | 100 | 1W | UTC 📄 PDF |
| 2SD1816L-S-TN3-R | NPN | TO-252 (DPAK) | 100V | 4A | 140 | 1W | UTC 📄 PDF |
| 2SD1816S-TL-E | NPN | TO-252 (DPAK) | 100V | 4A | 140 | 20W | onsemi 📄 PDF |