MJE340 Transistor Datasheet & Specifications
NPNTO-126General Purpose
VCEO
350V
Ic Max
500mA
Pd Max
625mW
Gain
250@1A,2V
Quick Reference
The MJE340 is a NPN bipolar transistor in a TO-126 package. This datasheet provides complete specifications including 350V breakdown voltage and 500mA continuous collector current. Download the MJE340 datasheet PDF below for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | HXY MOSFET | Original Manufacturer |
| Package | TO-126 | Physical mounting |
| VCEO | 350V | Breakdown voltage |
| IC Max | 500mA | Collector current |
| Pd Max | 625mW | Power dissipation |
| Gain | 250@1A,2V | DC current gain |
| Frequency | - | Transition speed |
| VCEsat | - | Saturation voltage |
| Vebo | 50MHz | Emitter-Base voltage |
| Temp | -55℃~+150℃ | Operating temp |
Direct Replacements & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| 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 |
| MJE340G | NPN | TO-225-3 | 300V | 500mA | 20W |
| 3DD4244DM | NPN | TO-126 | 400V | 3A | 60W |
| MJE340STU-HXY | NPN | TO-126 | 350V | 500mA | 625mW |