DC12V Power Supply Surge Protection Solution: SOCAY Electronics

Application Background

• Global warming leads to an increase in thunderstorm weather
• Severe hazards occur after power supplies are damaged by lightning strikes
• High maintenance costs are incurred following lightning strike damage to power supplies
• Power supplies with high surge protection have become an industry trend

Solution Description and Precautions

• The rear stage of this solution adopts TVS components with fast response time and low residual voltage
• The front stage uses three-electrode GDT with large discharge capacity and small size
• An inductor L is used for coupling in the middle to drive GDT to discharge large currents
• This power supply solution meets surge test standards such as IEC 61000-4-5 and GB/T 17626.5
• This power supply solution can pass the 1.2/50μS - 8/20μS combined wave surge test

Solution Applications

• PTZ camera power supply
• Bullet camera power supply
• Power adapter
• LED power supply
• Home music player
• Digital photo frame power supply
• Vehicle-mounted power supply
• Other DC12V power supplies

Surge Protection Circuit Diagram

Product Appearance

Product Specifications