STMicroelectronics · Discrete semiconductors
BUT90
TRANS NPN 125V 50A TO3
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BUT90 specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | BUT90 |
| Family | Discrete semiconductors |
| Package | TO-204AA, TO-3 |
| Product Status | Obsolete |
| Transistor Type | NPN |
| Current - Collector (Ic) (Max) | 50 A |
| Voltage - Collector Emitter Breakdown (Max) | 125 V |
| Vce Saturation (Max) @ Ib, Ic | 900mV @ 7A, 70A |
| Current - Collector Cutoff (Max) | Not provided in source |
| DC Current Gain (hFE) (Min) @ Ic, Vce | Not provided in source |
| Power - Max | 250 W |
| Frequency - Transition | Not provided in source |
| Operating Temperature | 200°C (TJ) |
| Mounting Type | Chassis Mount |
| Package / Case | TO-204AA, TO-3 |
| Supplier Device Package | TO-3 |
Documents and evidence
BUT90 ↗Before sourcing BUT90
- 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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