STMicroelectronics BZW04-28B Transil™ Diode

The BZW04-28B from STMicroelectronics is a robust Transil™ diode designed to provide high surge protection in electronic equipment. This bidirectional transient voltage suppressor (TVS) is specifically engineered to shield sensitive semiconductor components from voltage transients induced by system inductive load switching and lightning disturbances.

Key Features

• Stand-off Voltage: The device has a stand-off voltage of 28V, making it suitable for a range of applications that require this level of voltage protection.
• Peak Pulse Power: It can handle a peak pulse power of 400W (10/1000 μs surge), ensuring effective protection against high energy surges.
• Fast Response Time: The BZW04-28B boasts an exceptionally fast response time to transient overvoltages, which is crucial for protecting sensitive circuits.
• Low Clamping Voltage: Upon encountering a surge, the clamping voltage is low, thus limiting the stress on the protected component during surge events.
• High Surge Capability: With its high surge capability, this diode is ideal for absorbing transient overvoltage spikes without degradation.
• JEDEC Registered Package Outline: The diode is housed in a JEDEC registered DO-204AL package, also known as DO-15, which is known for its reliability and robustness.

Applications

The BZW04-28B is versatile and can be used in a variety of applications, including:

• Power supply protection
• AC/DC applications
• Telecommunication systems
• Computers and consumer electronics
• Industrial electronics
• Automotive systems

STMicroelectronics has designed the BZW04-28B with the intention of providing an effective solution for circuit protection in environments where electrical surges can cause significant damage to electronic equipment. This diode is a reliable choice for designers looking to enhance the durability and longevity of their electronic products.

Quality and Standards

The BZW04-28B is compliant with industry standards, ensuring a high level of quality and reliability. It is RoHS compliant and adheres to the ISO 9001 quality management system, signifying STMicroelectronics' commitment to excellence in product manufacturing and environmental responsibility.