BD678A
TRANS PNP DARL 60V 4A SOT32-3Manufacturer: STMicroelectronics
Categories: Single Bipolar Transistors
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STMicroelectronics BD678A is a PNP Darlington bipolar transistor designed for high-current switching and amplification applications. This through-hole device features a collector-emitter breakdown voltage of 60V and a continuous collector current capability of 4A, with a maximum power dissipation of 40W. The BD678A exhibits a minimum DC current gain (hFE) of 750 at 2A and 3V, ensuring efficient amplification. Its saturation voltage (Vce Sat) is a maximum of 2.8V at 40mA base current and 2A collector current. The transistor is housed in a TO-225AA (TO-126-3) package, with the supplier device package designated as SOT-32-3. Operating temperature range extends up to 150°C (TJ). This component is commonly utilized in industrial automation, power control, and general-purpose amplification circuits.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | TO-225AA, TO-126-3 |
| Mounting Type | Through Hole |
| Transistor Type | PNP - Darlington |
| Operating Temperature | 150°C (TJ) |
| Vce Saturation (Max) @ Ib, Ic | 2.8V @ 40mA, 2A |
| Current - Collector Cutoff (Max) | 500µA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 750 @ 2A, 3V |
| Frequency - Transition | - |
| Supplier Device Package | SOT-32-3 |
| Current - Collector (Ic) (Max) | 4 A |
| Voltage - Collector Emitter Breakdown (Max) | 60 V |
| Power - Max | 40 W |
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