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STR50115 Power Supply Regulator – 5-Pin ZIP Precision IC
The STR50115 is a specialized 5-pin power supply regulator IC designed for precision voltage control in television and display equipment. Utilizing a 3-up, 2-down pin configuration, it is an essential part for repairing B+ voltage rails that require a steady 115V output. This IC combines high-voltage switching capabilities with internal feedback loops to prevent voltage drift, ensuring your TV’s mainboard stays protected from surges. Durable and heat-resistant, the STR50115 is an industry-standard replacement part for professional repair centers and DIY enthusiasts alike.
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Product Overview
The STR50115 is one of the most reliable voltage regulators in the STR-50xxx series. It is designed to act as a ‘fixed-voltage’ switcher, meaning it is tuned to maintain a specific output regardless of the load fluctuations on the secondary side. This is vital for CRT TVs and high-voltage monitors where precise deflection voltages are required. It is an industrial-grade component that prioritizes safety and stability over all else.
Key Features
- 5-Pin ZIP Layout: 3 pins up, 2 pins down for standard board alignment.
- Precision 115V Output: Ideal for B+ rail regulation.
- Integrated Switching MOSFET: Simplifies the primary side circuit.
- Over-Voltage Protection: Built-in safety to shut down the PSU during faults.
- Rugged Ceramic Base: Optimized for high thermal dissipation.
Benefits
Replacing a malfunctioning STR50115 ensures that your display device starts up correctly every time. It eliminates issues like ‘screen shrinking’ or ‘breathing’ caused by unstable power rails. By using this genuine-spec IC, you extend the life of the Flyback transformer and the main processing chips. It’s an affordable and effective way to restore older, high-quality equipment to factory-fresh status.
Technical Specifications
- Model: STR-50115 / 50115
- Package: ZIP-5 (Ceramic/Plastic)
- Voltage: 115V Fixed Output Regulator
- Applications: TV SMPS Primary Side
Applications
Primary power regulation in high-quality Televisions, Industrial monitors, and specialized medical display units.
Package Contents
1 x STR50115 Power Supply Regulator IC.
Why Buy This Product?
We provide the STR50115 sourced for its consistent voltage accuracy. Don’t settle for unverified regulators that could damage your chassis; trust our high-quality components.
Frequently Asked Questions
Q: Can this replace an STR50110?
A: No, the STR50115 outputs 115V while the STR50110 is for 110V lines. Using the wrong voltage can damage your TV.
Q: Does this IC get hot?
A: Yes, it is normal for it to get warm during operation. Ensure it is tightly screwed to the heat sink.
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