STMicroelectronics NPN Darlington Transistor 4 A 60 V 750 hFE 3-Pin SOT-32 BD677

STMicroelectronics BD677 is an NPN Darlington transistor engineered for high-performance switching and amplification in electronic circuits, with a maximum continuous collector current of 4 A and a collector-emitter voltage rating of 60 V. It comes in a 3-pin SOT-32 through-hole package, which is widely used in power and control applications.

This transistor offers a high DC current gain (hFE) of 750, enabling efficient signal amplification. Its maximum power dissipation capacity of 40 W ensures it can handle substantial power loads safely.

The BD677 operates reliably across a wide temperature range from -65°C to 150°C, suitable for industrial environments requiring temperature resilience. It features a maximum collector emitter saturation voltage of 2.5 V and an emitter base voltage rating of 5 V, enhancing switching efficiency and control.

Typical applications include industrial control, power management circuits, switching regulators, and general-purpose amplification in electronic assemblies. The device package dimensions of 10.8 mm height and 7.8 mm length allow easy integration on standard PCBs.

The device supports stable operation with low collector cut-off current of 0.2 mA. It is not automotive standard certified but serves well in various electronic device applications. The transistor's bipolar NPN design supports effective current amplification for signal conditioning.

The through-hole mount type provides mechanical robustness on circuit boards. STMicroelectronics ensures quality and consistency in the BD677 transistor series.

For designers requiring reliable Darlington Transistor performance in demanding scenarios, the BD677 by STMicroelectronics is a suitable choice. Explore a variety of semiconductor components in EnvMart’s extensive inventory for industrial, laboratory, and manufacturing innovations.