High-voltage, low on-resistance MOSFET for efficient power conversion.
: The pinout described above is a general representation based on typical Sanken STR-series quasi-resonant converters. The specific ordering of these pins may vary depending on the exact package variant (e.g., ZSIP-5 vs. TO-3PF/5). It is essential to refer to the official datasheet for the precise pin assignment, orientation, and detailed descriptions of each pin's function for your specific application.
The STR-F6267 series are switched-mode power supply (SMPS) ICs widely used in low-power consumer electronics: chargers, DVD players, flat-panel TV auxiliary supplies, set-top boxes and small household appliances. A recent updated datasheet PDF (revision noted in the file name or header) typically bundles clarifications, corrected limits, and application guidance that matter to designers and repair technicians. Below I summarize the practical highlights you’ll want to read first, plus where to focus when adapting designs.
Blown MOSFET without visible short.
Governs peak current handled by the internal MOSFET during startup. Overvoltage Protection (
Features a high-voltage avalanche-guaranteed MOSFET.
When servicing a device with an STR-F6267 , check the following: str f6267 datasheet pdf updated
Feedback/Compensation pin to regulate output voltage.
In modern switching power supply (SMPS) design, finding reliable, efficient, and well-documented components is crucial. The , manufactured by Sanken Electric, remains a cornerstone component for designers looking for robust offline PWM switching regulators.
When referencing the documentation available via trusted repositories like the ALLDATASHEET STR-F6267 Search , electronics repair technicians and hardware engineers focus on specific absolute maximum ratings: Typ / Max Value Context & Importance High Voltage Rating Safeguards the primary switch against high AC line surges. Max Switching Current ( IDcap I sub cap D ) Package Dependent TO-3PF/5)
Based on updated 2026 data, the STR-F6267 remains a staple in repair and legacy design. Description Sanken Electric Package TO-3P (5-pin) Type PWM Controller + MOSFET Input Voltage Range Optimized for universal AC input (85-265V AC) Typical Usage CRT/LCD TV Power Supplies, SMPS
The standby VCC startup voltage is 16V, while the shutdown voltage (under voltage lockout) is 11V. If your PSU is "clicking" or failing to start, check that VCC charges above 16V.