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FT838R-BL-RT Offline Flyback Switching Controller IC

The FT838R-BL-RT from Fremont Micro Devices is a high-reliability offline flyback switching controller designed for mission-critical power supply applications in aerospace, automotive, industrial, medical, and telecommunications systems.

Key Features & Benefits

  • 18W Isolated Power Output - Delivers reliable power conversion with galvanic isolation for enhanced safety and noise immunity
  • Wide Input Voltage Range (6.6V ~ 30V) - Flexible operation across diverse power supply architectures
  • Comprehensive Fault Protection - Built-in current limiting, open circuit, over temperature, and over voltage protection ensures long-term reliability
  • Compact SOT-23-5 Package - Space-efficient surface mount design ideal for high-density PCB layouts
  • Extended Operating Temperature (-40°C ~ 125°C) - Proven performance in harsh environmental conditions
  • RoHS Compliant - Meets global environmental and regulatory standards for conflict-free, lead-free manufacturing

Applications

This flyback controller is engineered for demanding applications requiring high reliability, long lifecycle availability, and full traceability:

  • Aerospace avionics and flight control systems
  • Automotive ECU and powertrain electronics
  • Industrial automation and process control
  • Medical diagnostic and therapeutic equipment
  • Telecommunications infrastructure and base stations

Quality & Compliance

As an authorized distributor, we provide full traceability documentation, RoHS/REACH compliance certificates, and long lifecycle availability commitments to support your critical design-in requirements.

Product attributes Property Value
Manufacturer Fremont Micro Devices Ltd
Product Series
Packaging Cut Tape (CT) | Tape & Reel (TR)
Output Isolation Isolated
Internal Switch(s) No
Voltage - Breakdown -
Topology Flyback
Voltage - Start Up 17.6 V
Voltage - Supply (Vcc/Vdd) 6.6V ~ 30V
Duty Cycle -
Frequency - Switching -
Power (Watts) 18 W
Fault Protection Current Limiting, Open Circuit, Over Temperature, Over Voltage
Control Features -
Operating Temperature -40°C ~ 125°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
Supplier Device Package SOT-23-5
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY