STMicroelectronics TRIAC, RD-91 Series - 40A 800V

The STMicroelectronics TRIAC, RD-91 Series is a high-performance, three-pin standard insulated thyristor designed for general-purpose AC switching applications. With its robust construction and advanced internal design, it is engineered to deliver reliable ON/OFF functionality in a wide range of electronic circuits, making it a versatile component for both commercial and industrial systems.

A key feature of this TRIAC is its voltage-insulated tab, achieved through an internal ceramic pad. This provides enhanced electrical isolation, improving safety and reliability. The device also boasts superior commutation performance, ensuring clean and efficient switching transitions, which is critical for controlling inductive loads.

Constructed with a low thermal resistance and utilising clip bonding technology, the TRIAC effectively dissipates heat, enabling high current operation without compromising performance or longevity. This makes it exceptionally durable under demanding electrical conditions.

Specifications & Features

• Type: TRIAC
• Current Rating: High current operation suitable for robust applications
• Commutation: High commutation performance for reliable switching
• Thermal Design: Low thermal resistance with clip bonding for efficient heat dissipation
• Insulation: Voltage insulated tab via internal ceramic pad for enhanced safety
• Terminals: 3-pin standard configuration
• Case Style: Industry-standard RD-91 package
• Mounting: Panel-mounted for secure installation
• Operating Temperature: Maximum operating temperature of 125°C, suitable for harsh environments

This component is an essential choice for engineers and technicians looking for a dependable and efficient solid-state AC switch.

Variant Details

• Size: 40A 800V