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STR-W6735 Offline Flyback Switching Regulator IC

The STR-W6735 from Sanken Electric is a high-performance 160W offline flyback switching regulator designed for AC/DC power supply applications in industrial, telecommunications, and consumer electronics. This integrated power management IC features built-in 500V MOSFET, comprehensive fault protection, and soft-start control for reliable, efficient power conversion.

Key Features & Benefits

  • 160W Power Handling – Robust output capability for demanding applications
  • 500V Breakdown Voltage – High-voltage tolerance for universal AC input designs
  • Integrated Flyback Topology – Simplified circuit design with isolated output
  • 19kHz to 25kHz Switching Frequency – Optimized for efficiency and EMI performance
  • Comprehensive Protection – Current limiting, overload, and overvoltage safeguards
  • Soft Start Control – Reduces inrush current and extends component life
  • Wide Operating Range – -20°C to +115°C ambient temperature rating
  • TO-220F-6L Package – Industry-standard through-hole mounting for easy integration

Typical Applications

  • AC/DC power supplies for industrial equipment
  • Telecommunications infrastructure power modules
  • Consumer electronics adapters and chargers
  • Auxiliary power supplies in automotive and aerospace systems
  • LED driver circuits requiring isolated output

Why Choose Our STR-W6735?

As an authorized distributor, we guarantee 100% authentic Sanken Electric components with full manufacturer documentation, traceability, and warranty support. Every STR-W6735 ships with:

  • ✓ Full manufacturer datasheet and application notes
  • ✓ Certificate of conformance and traceability documentation
  • ✓ Long lifecycle availability to support your product programs
  • ✓ Global shipping through authorized channels
  • ✓ Technical design-in support and reference designs

Need design assistance or volume pricing? Contact our technical team for application support, reference designs, and custom solutions tailored to your project requirements.

Product attributes Property Value
Manufacturer Sanken Electric USA Inc.
Product Series STR-W6700
Packaging |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 500V
Topology Flyback
Voltage - Start Up 18.2 V
Voltage - Supply (Vcc/Vdd) 9.7V ~ 35V
Duty Cycle -
Frequency - Switching 19kHz ~ 25kHz
Power (Watts) 160 W
Fault Protection Current Limiting, Over Load, Over Voltage
Control Features Soft Start
Operating Temperature -20°C ~ 115°C (TA)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case TO-220-6 Full Pack, Formed Leads
Supplier Device Package TO-220F-6L
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY