The BUL58D is a silicon NPN power transistor designed and manufactured by STMicroelectronics, a leader in the semiconductor industry. This high-voltage, fast-switching component is engineered for use in a variety of power applications, making it an ideal choice for designers seeking reliability and performance.

Key Features

• High Voltage Capability: The BUL58D is capable of withstanding voltages up to 400V, making it suitable for high-voltage applications.
• High Current Performance: With a collector current rating of up to 4A, this transistor can handle significant power, suitable for demanding circuits.
• Fast Switching Speed: The device boasts a fast switching speed, which is essential for applications requiring quick transitions, such as switching power supplies and lighting systems.
• Low Collector-Emitter Saturation Voltage: This feature ensures higher efficiency by reducing the power dissipation during operation.
• High Ruggedness: The BUL58D is designed to endure tough conditions, making it reliable in industrial environments.

Applications

The BUL58D's robustness and performance characteristics make it ideal for a range of applications, including:

• Switching regulators
• Motor control circuits
• Inverters
• Power management systems
• High-frequency and high-efficiency power supplies

Quality and Reliability

STMicroelectronics is committed to delivering high-quality products. The BUL58D is no exception, with its manufacturing process being subjected to rigorous testing and quality control measures to ensure reliability and performance in the field. Additionally, the product is supported by comprehensive technical documentation and application notes to assist in the design and implementation process.

Environmental Compliance

The BUL58D is designed with environmental considerations in mind. It complies with RoHS directives, which means it is free from hazardous substances, making it a safe choice for electronic equipment manufacturers who are conscious of their environmental impact.