BUL742A
TRANS NPN 400V 4A TO220Manufacturer: STMicroelectronics
Categories: Single Bipolar Transistors
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STMicroelectronics BUL742A is an NPN bipolar junction transistor (BJT) designed for high-voltage applications. This component features a collector-emitter breakdown voltage of 400V and a continuous collector current capability of 4A, with a maximum power dissipation of 70W. The device offers a minimum DC current gain (hFE) of 16 at 800mA collector current and 3V collector-emitter voltage. Saturation voltage is specified at a maximum of 1.5V at 1A base current and 3.5A collector current. The BUL742A is housed in a TO-220-3 package, suitable for through-hole mounting. This transistor finds application in power switching and amplification circuits across industrial automation, consumer electronics, and lighting control systems.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDownload Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | TO-220-3 |
| Mounting Type | Through Hole |
| Transistor Type | NPN |
| Operating Temperature | 150°C (TJ) |
| Vce Saturation (Max) @ Ib, Ic | 1.5V @ 1A, 3.5A |
| Current - Collector Cutoff (Max) | 250µA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 16 @ 800mA, 3V |
| Frequency - Transition | - |
| Supplier Device Package | TO-220 |
| Current - Collector (Ic) (Max) | 4 A |
| Voltage - Collector Emitter Breakdown (Max) | 400 V |
| Power - Max | 70 W |
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