STMicroelectronics

BZW50-180

BZW50-180 Description

The BZW50-180 from STMicroelectronics is a high-performance unidirectional Transient Voltage Suppression (TVS) diode designed for general-purpose protection against voltage transients. Part of the BZW50, TRANSIL™ series, this device offers a standoff voltage of 180V and a minimum breakdown voltage of 200V, ensuring robust protection for sensitive electronics. With a peak pulse power rating of 5000W (5kW) and a clamping voltage of 410V at peak pulse current, it effectively suppresses high-energy transients, safeguarding circuits from damage. The diode features a low capacitance of 1500pF @ 1MHz, minimizing signal distortion in high-speed applications.

BZW50-180 Features

• High Surge Handling: Capable of 146A (8/20µs) peak pulse current, making it suitable for harsh environments.
• Low Clamping Voltage: Limits voltage spikes to 410V, protecting downstream components.
• Low Capacitance: 1500pF @ 1MHz ensures minimal impact on signal integrity in high-frequency circuits.
• Robust Construction: Through-hole mounting for secure PCB integration, compliant with ROHS3 and REACH standards.
• Reliable Performance: MSL 1 (Unlimited) moisture sensitivity ensures long-term reliability in varied conditions.
• Wide Voltage Range: 180V standoff and 200V breakdown provide flexibility in circuit design.

BZW50-180 Applications

• Industrial Equipment: Protects control systems, PLCs, and motor drives from voltage surges.
• Power Supplies: Safeguards AC/DC converters and switching regulators against transient overvoltages.
• Telecommunications: Shields communication lines and base stations from lightning-induced surges.
• Automotive Electronics: Used in 12V/24V systems to protect sensors and ECUs from load-dump transients.
• Consumer Electronics: Ideal for surge protection in home appliances and audio/video equipment.

Conclusion of BZW50-180

The BZW50-180 stands out as a high-power, low-capacitance TVS diode for general-purpose transient suppression. Its 5kW peak pulse power and 410V clamping make it a reliable choice for demanding applications, while its low parasitic capacitance ensures compatibility with high-speed circuits. Manufactured by STMicroelectronics, it combines ruggedness with compliance (ROHS3, REACH), making it a versatile solution for industrial, automotive, and telecom systems requiring robust overvoltage protection.