7MM Button Metal Oxide Varistor

Button Shape Surface Mount Metal Oxide Varistor 07D471K 10D511K For LED Lighting

Description Of The Button Shape Surface Mount Metal Oxide Varistor

AFT-SMD SMD Varistor series is a patented product specially developed for surface mounting. Because of
its good heat dissipation, it has the advantages of other types of SMD products, and also has high combined
wave resistance, high working voltage capability, low residual voltage, and insulation High voltage, BSMD
series are not prone to oxygen

Features Of The Button Shape Surface Mount Metal Oxide Varistor

1) Suitable for reflow soldering with surface mounting technology, and the metal pins will not drop out;
2) High anti-combined wave ability, and the impact time interval can be shortened to 10 seconds;

3) High working voltage, which is more than 30V higher than other types of varistor working voltage;

4) Low residual voltage;
5) High insulation voltage and good resistance to hot flashes;
6) The structure is small and exquisite, the top is high and low;
7) Small inductance structure with fast response;
8) High working temperature: -40℃~+125℃.

Application Of The Button Shape Surface Mount Metal Oxide Varistor

● LED lights;

● Power supply: switching power supply;

● Communication equipment
● Household appliances;

● Industrial equipment;

● Street LED light

Part Numbering Of The Button Shape Surface Mount Metal Oxide Varistor

Size Of The Button Shape Surface Mount Metal Oxide Varistor

Note : We advise L wire for Pad A and N wire for Pad B when design PCB; also,varistorchip must be

bypassed when laying out copper (Chip diameter D).

Product structure and materials Of The Button Shape Surface Mount Metal Oxide Varistor

Choose Advices Of The Button Shape Surface Mount Metal Oxide Varistor

For different application voltage environments, the following pressure-sensitive combinations are
recommended to provide transient overvoltage, surge, and lightning protection for AC LED lights:

Remark

1. A series resistor before the varistor can improve the safety performance of the varistor while effectively reducing the
residual voltage;
2. For 4KV/2KA combined wave requirements, the "resistor + varistor" scheme can be adopted for low power, and the twolevel design scheme "varistor + resistance + varistor" can be adopted for high power, which can improve the ability to resist
combined waves. At the same time, the residual pressure is effectively reduced.
3. If there are special requirements for the residual voltage, in addition to the series resistor can effectively reduce the
residual voltage, the pressure-sensitive lower limit product can also be customized.

Package Of The Button Shape Surface Mount Metal Oxide Varistor

A) 7D: 24 Feida, 15 inch reel, 5 reels*2K/reel=10K/carton

B) 10D: 24 feeder, 15 inch reel, 5 reels*1.4K/reel=7K/carton

Manufacturing Site Of The Button Shape Surface Mount Metal Oxide Varistor

Dongguan Ampfort Electronics Co., Ltd. is a high-tech enterprise specializing in R&D, manufacturing and sales, committed to becoming a comprehensive supplier of circuit protection components.

We introduced advanced quality system,management systems and high-precision automation equipment from Germany, set up multiple production bases and continue to increase product lines. Our team consist of experienced engineers, passionate business elites, and regularly trained skilled workers, which provides a solid foundation for quality assurance and productivity performance. Moreover, our products have passed safety certifications of many countries and are favored by many consumers by years’ unremitting efforts.

We cooperated with universities and colleges, and will continue to research and develop new products , committed to high-quality circuit protection solutions, and provide global customers with efficient technology, products, and testing support to meet their requirements for rapid development of new products. We are gradually updating from "Made In China" to "Created In China" and to "Intelligent Manufacturing In China", from circuit design to product testing, we will provide you with one-stop service in the field of circuit protection.After years of intensive cultivation, we have maintained a good relationship with our peers and have become distributor of many famous electronic component brands to meet the diverse needs of customers.

The main products include: Thermistors, Varistors, Temperature Sensors, Fuses and corresponding Hardware and Plastic accessories, Inductors, Thermal Protector, Overload/Composite Protectors, Discharge Tubes, Photoresistors and Wiring Harnesses etc. Through the combination of different process devices,Ampfort Electronics can meet customers' individual circuit protection requirements. Our products are widely used in: power adapters, switching power supplies, chargers, transformers, computers, telephones, household appliances, communication products, lighting products, toy products, various instruments and various electronic cables, electrical products, IT, Consumer electronics, automobiles, batteries and other fields.

Choose us, Ampfort will be your loyal and reliable partner for protection circuit products !

Philosophy  Survive with integrity and service, and develop with quality and innovation.

Goal             Standardization Systemization Internationalization Leading leader in the same industry

Purpose       Serve customers and develop enterprises

                     Benefit the employees and return to the society

Mission  Dare to compete, be good at competition, win the competition

Vision     Full of ambition today and hope tomorrow will be fruitful.

Message Innovate,forge ahead and hold hands, harvest brilliance and share together.