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STR-Y6766 Flyback Switching Regulator IC

The STR-Y6766 from Sanken Electric is a high-performance isolated flyback switching regulator designed for offline AC-DC power conversion applications up to 140W. This integrated power IC combines a high-voltage MOSFET with advanced control circuitry, delivering reliable and efficient power management for industrial, consumer, and telecommunications equipment.

Key Features & Benefits

  • 140W Power Handling – Ideal for mid-power offline SMPS designs
  • 800V Breakdown Voltage – High-voltage capability for universal AC input applications
  • Integrated Flyback Topology – Simplifies design with built-in switching element
  • 18.4kHz to 24.4kHz Switching Frequency – Optimized for efficiency and EMI performance
  • Comprehensive Protection – Current limiting, over-voltage, over-load, and over-temperature safeguards
  • Wide Operating Range – 9.4V to 35V supply voltage, -20°C to 115°C ambient temperature
  • TO-220F-7 Package – Industry-standard through-hole mounting for easy integration

Applications

  • AC-DC power supplies for consumer electronics
  • Industrial control and automation systems
  • Telecommunications and networking equipment
  • LED lighting drivers
  • Battery chargers and adapters

Why Choose Authorized Distribution?

All STR-Y6766 units are sourced directly from authorized channels, ensuring:

  • ✓ 100% genuine Sanken Electric components
  • ✓ Full manufacturer traceability and documentation
  • ✓ Long lifecycle availability and obsolescence support
  • ✓ Technical support and reference designs
  • ✓ Compliance with RoHS and environmental standards

Need design support or volume pricing? Contact our technical team for reference designs, application notes, and custom solutions.

Product attributes Property Value
Manufacturer Sanken Electric USA Inc.
Product Series STR-Y6700
Packaging |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 800V
Topology Flyback
Voltage - Start Up 15.1 V
Voltage - Supply (Vcc/Vdd) 9.4V ~ 35V
Duty Cycle -
Frequency - Switching 18.4kHz ~ 24.4kHz
Power (Watts) 140 W
Fault Protection Current Limiting, Over Load, Over Temperature, Over Voltage
Control Features -
Operating Temperature -20°C ~ 115°C (TA)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case TO-220-7 Formed Leads
Supplier Device Package TO-220F-7
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY