BUF420M
TRANS NPN 450V 30A TO3Manufacturer: STMicroelectronics
Categories: Single Bipolar Transistors
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STMicroelectronics BUF420M is an NPN bipolar junction transistor designed for high-power applications. Featuring a 450V collector-emitter breakdown voltage and a continuous collector current capability of 30A, this device dissipates up to 275W. The TO-3 package facilitates efficient thermal management, crucial for demanding environments. Its low saturation voltage of 500mV at 4A base current and 20A collector current ensures minimal power loss during switching. This transistor finds application in power supply units, audio amplifiers, and industrial 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-204AA, TO-3 |
| Mounting Type | Through Hole |
| Transistor Type | NPN |
| Operating Temperature | 200°C (TJ) |
| Vce Saturation (Max) @ Ib, Ic | 500mV @ 4A, 20A |
| Current - Collector Cutoff (Max) | - |
| DC Current Gain (hFE) (Min) @ Ic, Vce | - |
| Frequency - Transition | - |
| Supplier Device Package | TO-3 |
| Current - Collector (Ic) (Max) | 30 A |
| Voltage - Collector Emitter Breakdown (Max) | 450 V |
| Power - Max | 275 W |
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