The ACST4-7CFP, part of the ACST47C series from STMicroelectronics, is a high-performance, overvoltage protected AC switch that is designed to deliver exceptional performance in a wide range of applications. This innovative semiconductor device integrates a triac function and an overvoltage protection circuit in a single package, providing a robust and compact solution for AC load control.

Key Features

• Voltage Range: The ACST4-7CFP is capable of handling up to 700V peak off-state voltage, making it suitable for a variety of AC mains applications.
• Current Rating: With a 4A RMS on-state current, this component can control moderate power loads with ease.
• Overvoltage Protection: The device includes a patented high-voltage avalanche technology that protects against surges, ensuring long-term reliability and safety.
• Snubberless Technology: The snubberless design allows for simpler circuit designs by eliminating the need for external snubber networks.
• High Noise Immunity: The ACST4-7CFP offers excellent immunity to electrical noise, reducing the risk of unintended triggering.
• Insulated Full-Pack Package: The TO-220FP package provides insulation rated at 2500V RMS, simplifying compliance with safety standards.
• Temperature Range: It operates effectively over a wide temperature range (-40°C to 150°C), ensuring reliability across various environmental conditions.

Applications

The ACST4-7CFP is designed for use in a variety of applications where AC line load control is required. These applications include, but are not limited to:

• Home appliances such as washing machines, refrigerators, and air conditioners
• Industrial automation systems
• Lighting systems including dimmers and switches
• Motor control circuits
• Overvoltage protection circuits

Quality and Reliability

STMicroelectronics is known for its commitment to quality and the ACST4-7CFP is no exception. This device is manufactured to meet the highest industry standards, ensuring both high performance and dependability for your critical applications.