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STR3A453 AC/DC Converter IC - High-Performance Flyback Power Management

The STR3A453 from Sanken Electric is a high-reliability integrated AC/DC converter IC designed for flyback topology power supply applications. This through-hole power management IC delivers 53W of power with a 650V breakdown voltage, making it ideal for industrial, telecom, and consumer electronics requiring robust, long-lifecycle power conversion.

Key Features & Benefits

  • 650V High Voltage Breakdown - Excellent for universal AC input applications
  • 53W Power Output - Suitable for mid-power supply designs
  • 65kHz Switching Frequency - Optimized for efficiency and EMI performance
  • Comprehensive Protection - Current limiting, over-load, over-temperature, and over-voltage protection
  • Wide Operating Range - Supply voltage 8.5V to 32V, temperature -40°C to 125°C
  • RoHS & REACH Compliant - Meets environmental standards for global markets

Applications

Perfect for power supply designs in industrial automation, telecommunications equipment, medical devices, and consumer electronics requiring isolated AC/DC conversion with high reliability and long product lifecycles.

Product attributes Property Value
Manufacturer Sanken Electric USA Inc.
Product Series
Packaging Tube |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 650V
Topology Flyback
Voltage - Start Up 15 V
Voltage - Supply (Vcc/Vdd) 8.5V ~ 32V
Duty Cycle 80%
Frequency - Switching 65kHz
Power (Watts) 53 W
Fault Protection Current Limiting, Over Load, Over Temperature, Over Voltage
Control Features Soft Start
Operating Temperature -40°C ~ 125°C
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-DIP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY