STMicroelectronics · Discrete semiconductors
BU931
TRANS NPN DARL 400V 15A TO3
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BU931 specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | BU931 |
| Family | Discrete semiconductors |
| Package | TO-204AA, TO-3 |
| Product Status | Obsolete |
| Transistor Type | NPN - Darlington |
| Current - Collector (Ic) (Max) | 15 A |
| Voltage - Collector Emitter Breakdown (Max) | 400 V |
| Vce Saturation (Max) @ Ib, Ic | 1.8V @ 250mA, 10A |
| Current - Collector Cutoff (Max) | 100µA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 300 @ 5A, 10V |
| Power - Max | 175 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
BU931 ↗Catalog sources
www.ic-components.com · BU931 ↗Source directory identity match; source detail pending. Specifications remain from existing catalog.
Before sourcing BU931
- 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
Questions about BU931
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