F6653 Power STR IC – Premium 5-Pin Offline Switcher Module
The F6653 is a high-performance Self-Oscillating Switching Regulator (STR) designed for efficient power supply design in televisions and display equipment. Featuring a 5-pin configuration (3 pins up, 2 pins down), this module integrates a high-voltage power MOSFET and a controller chip in a single compact package. It is specifically engineered to reduce standby power consumption and provide stable DC output even under variable loads. With built-in protection against over-current and thermal runaway, the F6653 ensures your repaired power boards operate with industrial-grade reliability. Fix dead PSUs instantly with this verified STR IC.
In stock
₹190.00 ₹350.00
In stock
Product Overview
The F6653 Power STR is a critical component for Switch Mode Power Supply (SMPS) systems. It acts as the primary switching device that drives the transformer to generate multiple DC voltages. This module is favored for its simplicity and robustness, often found in high-reliability consumer electronics. Its specialized 5-pin layout ensures a secure fit on the PCB, providing excellent thermal transfer to the mounting surface.
Key Features
- Integrated 650V MOSFET: Handles high-voltage AC mains rectification easily.
- 5-Pin ZIP Package: 3-up, 2-down design for error-free installation.
- Advanced PWM Control: Ensures precise voltage regulation.
- Thermal Shutdown: Built-in safety to prevent the IC from burning out.
- High Current Tolerance: Optimized for TV and monitor power supplies.
Benefits
Replacing a faulty regulator with the F6653 restores the power conversion efficiency of your device, leading to less heat generation and a longer lifespan for other components like capacitors. It is a cost-effective alternative to replacing the entire power supply unit. For technicians, the F6653 is a reliable ‘workhorse’ IC that works across many different brands and models.
Technical Specifications
- Model: STR-F6653 / F6653
- Drain-Source Voltage: 650V Max
- Output Power: Optimized for 50W-100W SMPS.
- Package Type: ZIP-5
Applications
Main power regulator for LED/LCD and CRT TVs, monitors, and high-wattage battery chargers.
Package Contents
1 x F6653 Power STR IC.
Why Buy This Product?
EDEPOT INDIA provides genuine semiconductors for the professional repair market. Our F6653 units are checked for quality and pin integrity to ensure your equipment returns to peak performance.
Frequently Asked Questions
Q: My power supply is clicking; is this the faulty part?
A: A clicking sound often indicates an overload or a faulty STR trying to start. Check the STR and output diodes.
Q: Does this need a silicone pad?
A: If the original IC was isolated with a pad or washer, you must reinstall them to prevent the heat sink from becoming live.
D1005T STR Power IC - 5-Pin Offline Switching Regulator
F6454 Switching Regulator STR IC - 5-Pin Power Module 




There are no reviews yet.