BU931
TRANS NPN DARL 400V 15A TO3Manufacturer: STMicroelectronics
Categories: Single Bipolar Transistors
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STMicroelectronics BU931 is an NPN Darlington bipolar junction transistor (BJT) designed for high-power switching applications. This component features a Vce breakdown voltage of 400V and a continuous collector current capability of 15A, with a maximum power dissipation of 175W. The device exhibits a minimum DC current gain (hFE) of 300 at 5A and 10V. Its saturation voltage (Vce Sat) is a maximum of 1.8V at 250mA base current and 10A collector current. The BU931 is housed in a TO-3 (TO-204AA) package suitable for chassis mounting and operates across a wide temperature range up to 200°C (TJ). This transistor is commonly utilized in industrial power supplies, motor control, and lighting control systems.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Bulk |
| Package / Case | TO-204AA, TO-3 |
| Mounting Type | Chassis Mount |
| Transistor Type | NPN - Darlington |
| Operating Temperature | 200°C (TJ) |
| Vce Saturation (Max) @ Ib, Ic | 1.8V @ 250mA, 10A |
| Current - Collector Cutoff (Max) | 100µA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 300 @ 5A, 10V |
| Frequency - Transition | - |
| Supplier Device Package | TO-3 |
| Current - Collector (Ic) (Max) | 15 A |
| Voltage - Collector Emitter Breakdown (Max) | 400 V |
| Power - Max | 175 W |
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