STMicroelectronics

BTA40-800B  

TRIACs

BTA40-800B Description

The BTA40-800B from STMicroelectronics is a high-performance standard TRIAC designed for robust power control applications. With an 800V off-state voltage and a 40A RMS on-state current, this device is engineered to handle high-power AC loads efficiently. Packaged in an RD91 chassis-mount configuration, it ensures reliable thermal dissipation and mechanical stability in demanding environments. The BTA40-800B is ROHS3 compliant and REACH unaffected, making it suitable for global markets with stringent environmental regulations. Its 1.3V max gate trigger voltage and 50mA max gate trigger current enable easy interfacing with low-power control circuits, while its 400A/420A non-repetitive surge current rating ensures resilience against transient overloads.

BTA40-800B Features

• High Voltage & Current Handling: Supports 800V off-state voltage and 40A RMS continuous current, ideal for industrial power control.
• Low Trigger Requirements: 1.3V Vgt and 50mA Igt simplify driver circuit design.
• Robust Surge Protection: Withstands 400A (50Hz) / 420A (60Hz) surge currents, enhancing reliability in harsh conditions.
• Chassis-Mount Package (RD91): Optimized for heat dissipation, suitable for high-power applications.
• Compliance & Reliability: ROHS3, REACH Unaffected, and EAR99 certified, ensuring broad market acceptance.
• Unlimited MSL Rating (MSL1): No moisture sensitivity concerns during storage or assembly.

BTA40-800B Applications

The BTA40-800B excels in AC load switching and phase-control systems, including:

• Industrial Motor Controls: For precise speed regulation in conveyor systems and pumps.
• Lighting Systems: Dimming and switching in high-power incandescent/HID lighting.
• Heating Controls: Proportional power management in industrial heaters.
• Appliance Power Modules: Used in washing machines, air conditioners, and other high-current appliances.
• Power Tools: Robust switching for heavy-duty equipment.

Conclusion of BTA40-800B

The BTA40-800B stands out as a high-reliability TRIAC for demanding AC power control applications. Its low trigger requirements, high surge tolerance, and chassis-mount design make it superior to similar models in terms of thermal performance and ease of integration. Whether in industrial automation, HVAC systems, or consumer appliances, this TRIAC delivers durable, efficient, and compliant performance, backed by STMicroelectronics' proven quality.

BTA40-800B Documents

Download datasheets and manufacturer documentation for BTA40-800B

PCN Assembly/Origin :

BTA/BTW A/T Site 9/Apr/2021      

Datasheets :

BT(A,B)40, BTB41      

Other Related Documents :

BTA40 View All Specifications      

HTML Datasheet :

BT(A,B)40, BTB41