Import Dipped Zinc Oxide Varistor — Buy in Bulk from Supplier in China

The dipped zinc oxide varistor from Elecsound Single Trun/multiturn Potentiometer Co., Ltd is a surge protection device designed to clamp transient overvoltages in electronic circuits. It uses a zinc oxide ceramic body with a metallic dip coating for enhanced conductivity and environmental resistance. The product is available in standard voltage ratings from 18 volts to 470 volts, with energy absorption capacities up to 50 joules per device, based on the supplier's listed parameters.

The varistor is constructed using sintered zinc oxide grains with bismuth oxide and other metal oxide additives to form a nonlinear resistance characteristic. This composition is typical for industrial-grade varistors and allows for rapid response to voltage spikes under 10 nanoseconds. The dipped coating is usually tin or nickel-based, offering corrosion resistance without altering the electrical profile. These materials align with standard practices for varistors used in consumer and industrial power supplies.

These components are commonly integrated into AC/DC power lines, telecom equipment, and automotive control modules where voltage transients from switching or lightning are expected. Buyers include manufacturers of inverters, LED drivers, and industrial PLC systems. Packaging is typically bulk or tape-and-reel, with MOQs negotiable but not specified. Trade terms are not listed, and buyers should confirm incoterms and packaging options directly with the supplier.

Elecsound Single Trun/multiturn Potentiometer Co., Ltd is based in Shenzhen, Guangdong Province, and lists itself as an importer of electronic components. The supplier address is verified, and the company profile indicates activity in potentiometers and related passive components. No information is provided about manufacturing capacity, workforce size, or years in operation. The supplier has no listed response rate or average response time, and no certifications are confirmed in the source data.

The company's focus appears to be on sourcing and distributing components like varistors and potentiometers, rather than producing them in-house. There is no mention of quality control labs, third-party testing, or client references. Buyers should treat this as a trading entity and request independent test reports for each batch before large orders. Verification of product origin and compliance is essential due to the lack of public supplier history.