BD645-S
TRANS NPN DARL 60V 8A TO220Manufacturer: Bourns Inc.
Categories: Single Bipolar Transistors
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Bourns Inc. BD645-S is an NPN Darlington bipolar transistor designed for robust power switching applications. This component delivers a maximum collector current of 8 A with a collector-emitter breakdown voltage of 60 V. Featuring a high DC current gain (hFE) of at least 750 at 3 A and 3 V, it ensures efficient amplification and switching. The transistor's saturation voltage (Vce) is a maximum of 2.5 V at 50 mA base current and 5 A collector current. Its power dissipation is rated at 2 W, and it operates within a temperature range of -65°C to 150°C. The BD645-S is housed in a standard TO-220-3 package, suitable for through-hole mounting. This device finds application in power control circuits, motor drivers, and general-purpose switching in industrial and consumer electronics.
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 - Darlington |
| Operating Temperature | -65°C ~ 150°C (TJ) |
| Vce Saturation (Max) @ Ib, Ic | 2.5V @ 50mA, 5A |
| Current - Collector Cutoff (Max) | 500µA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 750 @ 3A, 3V |
| Frequency - Transition | - |
| Supplier Device Package | TO-220 |
| Current - Collector (Ic) (Max) | 8 A |
| Voltage - Collector Emitter Breakdown (Max) | 60 V |
| Power - Max | 2 W |
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