STMICROELECTRONICS BTW69-800RG Thyristor, 800V, 32A, TOP-3

The STMICROELECTRONICS BTW69-800RG is a robust, three-pin standard silicon-controlled rectifier (SCR) engineered for demanding applications where high power handling and efficient thermal dissipation are paramount.

A key feature of the BTW69 series is its advanced internal ceramic pad, which provides excellent high-voltage insulation. This construction significantly enhances the component's ability to withstand surge currents, ensuring reliable performance under stressful electrical conditions. The utilisation of clip assembly technology further contributes to its durability and effective power management.

Primary Applications

This thyristor is ideally suited for industrial control systems, motor drive circuits, and professional lighting applications. Its specifications make it a dependable choice for switching and controlling high-power AC loads, providing precise regulation in various electronic designs.

Key Specifications & Features

• Voltage Rating: A peak repetitive off-state voltage of 800V, offering a high safety margin for mains-powered applications.
• Current Handling: Capable of an average on-state current of 32A and an on-state RMS current of 50A.
• Robust Surge Protection: Can handle peak non-repetitive surge currents up to an impressive 580A.
• Precise Gate Control: Features a maximum gate trigger current of 80mA and a maximum gate trigger voltage of 1.3V for reliable switching.
• Thermal Performance: Designed with a maximum operating temperature of 125°C and effective heat dissipation via its TOP-3 case style.
• Secure Mounting: Configured for reliable through-hole PCB mounting, ensuring stable mechanical and electrical connections.

With its combination of high insulation, surge current capability, and proven clip assembly technology, the BTW69-800RG is a superior component for engineers designing robust and long‑l‑