This is an informative report on the STR-F6267, based on its typical datasheet specifications. Since I cannot directly upload a PDF file, this report compiles the critical technical data, pinout, electrical characteristics, and application notes you would find in the official Sanken Electric Co., Ltd. datasheet.
| Parameter | Test Condition | Min | Typ | Max | Unit | |-----------|---------------|-----|-----|-----|------| | Drain-Source Breakdown Voltage | VGS=0V, ID=1mA | 650 | 700 | - | V | | Static Drain-Source ON Resistance | RDS(on) | - | 1.3 | 1.8 | Ω | | Output Capacitance | VDS=100V, f=1MHz | - | 150 | - | pF | str f6267 datasheet pdf
Consumer Electronics: Historically prevalent in TV and VCR power regulator circuits (e.g., JVC units). This is an informative report on the STR-F6267
| Symptom | Likely Cause | Test Point | | :--- | :--- | :--- | | No output, VCC cycling 0V→15V→0V | Short on secondary or overload on FB pin | Check diodes, caps on output | | No output, VCC stuck <15V | Start-up resistor open or VCC cap dried out | Replace 100µF/50V cap | | Blows fuse, D-S shorted | Primary snubber failed or AC line surge | Check RCD snubber diode (FR107) | | Output present but ticking noise | Overload or faulty optocoupler | Isolate FB pin, check load | | Output high (overvoltage) | Feedback loop open (optocoupler or TL431 dead) | Immediate danger – will trigger OVP latch | MOSFET Section | Parameter | Test Condition |
Disclaimer: This feature summary is generated based on typical specifications for the STF6267 series. Always consult the official Manufacturer Datasheet (PDF) provided by STMicroelectronics for precise design parameters, pin configurations, and thermal data.
These features make it ideal for power supplies ranging from 40W to 100W (with adequate heat sinking).