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Sanken STR-X6759N - 280W Flyback Offline Switching Power IC

The STR-X6759N from Sanken Electric is a high-performance AC/DC offline switching power IC designed for flyback topology applications up to 280W. This integrated power IC features a 650V breakdown voltage, built-in MOSFET switch, and comprehensive protection circuitry including over-current, over-voltage, and over-load protection.

Key Features & Benefits

  • 280W Power Handling: Ideal for medium-power SMPS applications including consumer electronics, industrial controls, and LED drivers
  • 650V High-Voltage MOSFET: Robust breakdown voltage for universal AC input designs (85-265VAC)
  • 19-25kHz Switching Frequency: Optimized for transformer size and EMI performance
  • Comprehensive Protection: Current limiting, over-load, and over-voltage protection ensure reliable operation and long service life
  • Soft-Start Function: Reduces inrush current and stress on components during power-up
  • Wide Operating Range: -20°C to +125°C ambient temperature, 9.7V to 35V supply voltage
  • TO-3P Package: Industry-standard through-hole package with excellent thermal performance

Typical Applications

  • AC/DC power supplies for consumer electronics
  • Industrial and automation equipment power modules
  • LED lighting drivers and ballasts
  • Battery chargers and adapters
  • Auxiliary power supplies

Why Choose Authorized Distribution?

When you purchase the STR-X6759N from our authorized distributor network, you receive:

  • ✓ 100% genuine Sanken components with full traceability
  • ✓ Complete manufacturer documentation and datasheets
  • ✓ Long lifecycle availability to support your product programs
  • ✓ Technical support and design-in assistance
  • ✓ Global shipping through authorized channels

Need design support or reference designs? Contact our technical team for application notes, SPICE models, and design-in assistance.

Product attributes Property Value
Manufacturer Sanken Electric USA Inc.
Product Series STR-X6700
Packaging |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 650V
Topology Flyback
Voltage - Start Up 18.2 V
Voltage - Supply (Vcc/Vdd) 9.7V ~ 35V
Duty Cycle -
Frequency - Switching 19kHz ~ 25kHz
Power (Watts) 280 W
Fault Protection Current Limiting, Over Load, Over Voltage
Control Features Soft Start
Operating Temperature -20°C ~ 125°C (TA)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case TO-3P-7 Full Pack, Formed Leads
Supplier Device Package TO-3P
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY