STMicroelectronics · Discrete semiconductors
MJE340
TRANS NPN 300V 0.5A SOT32-3
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MJE340 specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | MJE340 |
| Family | Discrete semiconductors |
| Package | TO-225AA, TO-126-3 |
| Product Status | Active |
| Transistor Type | NPN |
| Current - Collector (Ic) (Max) | 500 mA |
| Voltage - Collector Emitter Breakdown (Max) | 300 V |
| Vce Saturation (Max) @ Ib, Ic | Not provided in source |
| Current - Collector Cutoff (Max) | 100µA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 30 @ 50mA, 10V |
| Power - Max | 20.8 W |
| Frequency - Transition | Not provided in source |
| Operating Temperature | 150°C (TJ) |
| Mounting Type | Through Hole |
| Package / Case | TO-225AA, TO-126-3 |
| Supplier Device Package | SOT-32-3 |
Documents and evidence
MJE340 ↗Catalog sources
www.ic-components.com · MJE340 ↗Source directory identity match; source detail pending. Specifications remain from existing catalog.
Before sourcing MJE340
- Identify the firmware and board baseline
- Check flash, RAM and required peripherals
- Review pin assignment and supply limits
- Keep the full temperature and package suffix
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