BUL45
TRANS NPN 400V 5A TO220Manufacturer: onsemi
Categories: Single Bipolar Transistors
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The onsemi BUL45 is a high-voltage NPN bipolar junction transistor from the SWITCHMODE™ series. This component features a 400V collector-emitter breakdown voltage and a continuous collector current rating of 5A, with a maximum power dissipation of 75W. Its transition frequency is 12MHz, and it exhibits a saturation voltage of 400mV at 400mA collector current and 2A, with a minimum DC current gain of 14 at 300mA and 5V. Packaged in a TO-220-3 through-hole configuration, the BUL45 is suitable for applications demanding robust switching performance and high voltage handling, often found in power supply units, lighting control, and industrial automation. The operating temperature range is -65°C to 150°C.
Additional Information
Series: SWITCHMODE™RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | TO-220-3 |
| Mounting Type | Through Hole |
| Transistor Type | NPN |
| Operating Temperature | -65°C ~ 150°C (TJ) |
| Vce Saturation (Max) @ Ib, Ic | 400mV @ 400mA, 2A |
| Current - Collector Cutoff (Max) | 100µA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 14 @ 300mA, 5V |
| Frequency - Transition | 12MHz |
| Supplier Device Package | TO-220 |
| Current - Collector (Ic) (Max) | 5 A |
| Voltage - Collector Emitter Breakdown (Max) | 400 V |
| Power - Max | 75 W |
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