A voltage-dependent resistor component used in surge protection devices to protect electrical equipment from voltage spikes and transients.
A Metal Oxide Varistor (MOV) Disc is a ceramic semiconductor component composed primarily of zinc oxide with small amounts of other metal oxides. It exhibits non-linear voltage-current characteristics, providing high resistance at normal operating voltages and low resistance during voltage surges, thereby diverting excess current away from protected circuits.
诱因 → 失效模式 → 工程缓解
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MOV discs have a finite lifespan dependent on surge exposure. Typically rated for 10-15 years under normal conditions, but may degrade faster with frequent surges. Regular testing is recommended.
Yes, MOV discs are suitable for both AC and DC applications, but voltage ratings must be selected appropriately for the specific circuit requirements.
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说明目标数量、应用场景、交期和关键技术要求，用于准备 RFQ 或供应商评估。