MJE340G Transistor Datasheet & Specifications
NPN
TO-126
High Power
JSMSEMI
VCEO
300V
Ic Max
500mA
Pd Max
20W
hFE Gain
240
Quick Reference
The MJE340G is a NPN bipolar transistor in a TO-126 package by JSMSEMI. This datasheet provides complete specifications including 300V breakdown voltage and 500mA continuous collector current. Download the MJE340G datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | JSMSEMI | Original Manufacturer |
| Package | TO-126 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 300V | Breakdown voltage |
| Ic | 500mA | Collector current |
| Pd | 20W | Power dissipation |
| DC Current Gain | 240 | hFE / Beta |
| Frequency | - | Transition speed (fT) |
| VCEsat | 1V | Saturation voltage |
| Vebo | 3V | Emitter-Base voltage |
| Cutoff Current | 100nA | Leakage (ICBO) |
| Temp | - | Operating temp |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| ST13003-K-HXY | NPN | TO-126 | 500V | 1.5A | 1.25W |
| KSE13003-AS-HXY | NPN | TO-126 | 500V | 1.5A | 1.25W |
| MJE13003(RANGE:20-30) | NPN | TO-126 | 400V | 1A | 1.25W |
| 3DD4242DM-126 | NPN | TO-126 | 400V | 1.5A | 20W |
| 13003 | NPN | TO-126 | 400V | 2A | 30W |
| YFW13003 | NPN | TO-126 | 480V | 1.5A | 1.25W |
| 3DD4244DM | NPN | TO-126 | 400V | 3A | 60W |
| MJE340STU-HXY | NPN | TO-126 | 350V | 500mA | 625mW |
| MJE340 | NPN | TO-126 | 350V | 500mA | 625mW |