STMicroelectronics

BULD741T4

BULD741T4 Description

The BULD741T4 is a high-performance NPN transistor designed and manufactured by STMicroelectronics. This device is part of the Single Bipolar Transistors category and is known for its exceptional electrical characteristics and robust design. The BULD741T4 operates within an extended temperature range of 150°C (TJ), making it suitable for a wide range of applications that require high-temperature operation. With a maximum collector current (Ic) of 2.5 A and a collector-emitter breakdown voltage of 400 V, this device is capable of handling high power and voltage demands.

BULD741T4 Features

• High Power Handling: The BULD741T4 can handle up to 30 W of power, making it ideal for high-power applications.
• Low Saturation Voltage: The Vce saturation voltage is only 1.5 V at 600 mA and 2 A, which contributes to high efficiency in power management circuits.
• Surface Mount Technology: The device is available in a surface-mount DPAK package, which is compact and suitable for modern electronics design.
• Compliance with Regulations: The BULD741T4 is compliant with the RoHS3 directive, making it an environmentally friendly choice.
• High Current Gain: With a minimum DC current gain (hFE) of 25 at 450 mA and 3 V, this transistor ensures high amplification capabilities.
• Low Moisture Sensitivity: The moisture sensitivity level is 1 (Unlimited), indicating that the device can be stored and handled without special precautions against moisture.

BULD741T4 Applications

The BULD741T4 is well-suited for various applications due to its high power and voltage capabilities, as well as its high current gain. Some specific use cases include:

• Power Amplifiers: Due to its high power handling and low saturation voltage, the BULD741T4 is ideal for use in power amplifiers where efficiency and power management are critical.
• Switching Regulators: The device's ability to handle high voltages and currents makes it suitable for switching regulators in power supply circuits.
• Motor Control: The BULD741T4 can be used in motor control applications where high current and voltage are required to drive motors efficiently.
• Industrial Automation: Its robust design and high-temperature operation make it a good fit for industrial automation systems that demand reliability and durability.

Conclusion of BULD741T4

The BULD741T4 from STMicroelectronics stands out in the market due to its combination of high power, high voltage, and high current gain capabilities. Its compliance with environmental regulations and its low moisture sensitivity level make it a reliable choice for a variety of applications in power electronics, motor control, and industrial automation. The BULD741T4's performance benefits and unique features position it as a superior option over similar models, ensuring efficient and reliable operation in demanding electronic systems.