STMicroelectronics Darlington Transistor NPN, 15A, 350V, HFE 300, 3-Pin TO-3PF BU941ZPFI

STMicroelectronics BU941ZPFI is a high-performance NPN Darlington transistor designed to handle high currents and voltages efficiently. With a maximum continuous collector current of 15A and a maximum collector-emitter voltage of 350V, it suits demanding power applications. The transistor is housed in a durable TO-3PF package with through-hole mount compatibility ensuring reliable mechanical and electrical connections in industrial and electronic equipment.

Featuring a minimum DC current gain (hFE) of 300, this transistor delivers excellent amplification with minimal losses. It is rated for a maximum power dissipation of 65W allowing for sustained operation under significant load without performance degradation. Its wide operating temperature of -65°C to 175°C makes it suitable for harsh and industrial environments, including automotive and manufacturing sectors.

The maximum emitter-base voltage of 5V and a low collector-emitter saturation voltage of 1.8V contribute to efficient switching and minimal power loss. The 3-pin TO-3PF form factor with dimensions of about 15.7mm in length and 15.2mm in height allows easy integration in power supply circuits, amplification modules, and other discrete semiconductor applications.

This transistor is ideal for industrial, electronic, laboratory, and power control systems requiring reliable high voltage and high current Darlington transistors. Typical uses include power amplifiers, switching regulators, motor control, and electronic circuit design requiring robust bipolar junction transistor performance.

This transistor features a minimum DC current gain (hFE) of 300. It supports through-hole mounting for secure installation. Maximum power dissipation rating is 65W. Operating temperature range spans from -65°C to 175°C for broad environmental suitability.

Maximum emitter-base voltage is 5V ensuring robust switching performance. Collector-emitter saturation voltage is low at 1.8V for efficient operation. The transistor has 3 pins and a compact dimension of approximately 15.7mm in length and 15.2mm in height.

Designed specifically for NPN Darlington Transistor applications in power and electronic circuits. For professional electronic component needs including power transistor applications, explore more options in the STMicroelectronics range at EnvMart Electronics & Electricals.