STR3A451D

STR3A451D - Integrated AC/DC Flyback Converter IC

The STR3A451D from Sanken Electric is a high-performance, isolated flyback AC/DC converter IC designed for reliable power conversion in industrial, telecom, and consumer applications. This integrated solution combines internal switching with comprehensive fault protection, delivering up to 37W of output power with excellent efficiency and thermal performance.

Key Features & Benefits

• 650V High-Voltage Breakdown - Robust design for demanding applications
• 37W Power Output - Ideal for mid-range power supply designs
• Integrated Internal Switch - Reduces external component count and board space
• 65kHz Switching Frequency - Optimized for efficiency and EMI performance
• Comprehensive Protection - Current limiting, over-load, over-temperature, and over-voltage safeguards
• Soft Start Control - Minimizes inrush current and stress on components
• Wide Operating Range - Functions from -40°C to 125°C for harsh environments
• RoHS Compliant - Meets environmental standards for global markets

Typical Applications

• Industrial power supplies and automation equipment
• Telecom and networking infrastructure
• Consumer electronics and appliances
• LED lighting drivers
• Auxiliary power modules

Why Choose STR3A451D?

Sanken Electric's STR3A451D offers design engineers a proven, cost-effective solution for isolated AC/DC power conversion. With integrated switching, comprehensive protection features, and wide temperature operation, this IC simplifies design while ensuring long-term reliability. Full traceability and RoHS compliance make it ideal for aerospace, automotive, industrial, medical, and telecom applications requiring high-reliability components.

All products ship with full manufacturer traceability and compliance documentation.

• STR3A451D.pdf