20K420ZT 高エネルギー 20D681K バリスター金属酸化 PCB MOV 照明保護用 ZnO XIWUER

金属酸化物バリスター
July 23, 2025
報告書: Discover the 20K420ZT High Energy 20D681K Varistor, a Metal Oxide PCB MOV designed for lightning protection. Made from ZnO, this varistor offers high surge capacity and excellent nonlinear resistance, making it ideal for safeguarding electronic and electrical equipment from over-voltage and lightning surges.
関連製品特性:
  • Epoxy Resin Coating for enhanced durability and protection.
  • Silicone Resin Coating ensures reliable performance in harsh conditions.
  • Low Leakage Current for efficient energy management.
  • RoHS Compliant, meeting environmental and safety standards.
  • Wide Operating Temperature Range from -40°C to +105°C.
  • High surge capacity for effective lightning protection.
  • Nonlinear resistance characteristic for optimal voltage regulation.
  • 電源や通信機器を含む様々な用途に適しています
FAQ:
  • What is the primary function of the 20K420ZT Varistor?
    The 20K420ZT Varistor is designed to protect electronic and electrical equipment by absorbing abnormal over-voltage and lightning surges, thanks to its high surge capacity and nonlinear resistance.
  • What materials are used in the construction of this varistor?
    This varistor is primarily made of zinc oxide (ZnO) and features epoxy resin and silicone resin coatings for enhanced durability and performance.
  • What are the typical applications for the 20K420ZT Varistor?
    The 20K420ZT Varistor is commonly used in power supplies, home electrical appliances, industrial devices, surge protectors, and telecom devices for reliable over-voltage protection.
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