Model & package intelligence
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RUILON 07D820K
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RUILON 07D820K
- Type
- RUILON
- Minimum package
- 1000 袋
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- RUILON
- Electronic Component
- 07D820K
- Electronic Component
- 1
- Package
- Through-hole
- Electronic Component
- Varistor Resistor
- Electronic Component
- 3.4J
- Electronic Component
- 0.712g
- Electronic Component
- 1
- Varistor Voltage
- 74V~90V
- Electronic Component
- BM0257675611
- Voltage
- 135V
- Static Power
- 250mW
- Static Capacitor
- 930pF@1kHz
- Operating Voltage(AC)
- 50V
- Operating Voltage(DC)
- 65V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
07D820K 产品概述
一、产品简介
07D820K 为 RUILON（瑞隆源）出品的高能量压敏电阻（MOV/压敏器件），采用插件封装，专为中低压直流/交流电源及电气设备的浪涌保护设计。该器件通过校验，具有稳定的钳位特性和良好的能量吸收能力，适合在复杂电磁环境下保护关键电子器件免受瞬态过电压损害。
二、主要电气参数
- 压敏电压（Varistor Voltage）：74V ~ 90V
- 钳位电压（Clamp Voltage）：135V（典型）
- 工作电压（DC）：65V
- 工作电压（AC）：50V
- 峰值浪涌电流：1.2kA（制造商测试条件下）
- 能量吸收：3.4J（单次能量）
- 静态电容：930pF @ 1kHz（较高电容值，影响高速信号）
- 静态功率/漏电功率：250mW（参考值）
三、性能亮点
- 强劲的瞬态吸能能力（3.4J）与1.2kA的峰值浪涌电流，能有效钳制突发过电压。
- 钳位电压控制较好，典型135V，可在保护对象允许的电压范围内提供可靠保护。
- 插件封装便于维护与更换，适合现场设备和模块化电源布局。
四、典型应用场景
- 工业电源输入保护、逆变器及变频器的直流母线防护；
- 通信设备、基站、安防电源的电源侧浪涌吸收；
- 开关电源、LED驱动、电动工具等含大电源瞬态的设备；
- 非高速信号线路的过压保护（因较高电容不建议用于高速数据线）。
五、使用与选型建议
- 将器件尽量靠近被保护端接地装配，导线最短以降低串联电感；
- 与合适的熔断器或限流器配合使用，以防反复浪涌导致器件损伤；
- 注意工作电压与压敏电压匹配：长期DC工作建议不超过额定工作电压（65V）；
- 对于高速信号线或对电容敏感的电路，应选用低电容型保护件以免影响信号完整性。
六、封装与可靠性
插件形式便于替换和维修，适合板端或线束侧安装。设计时需考虑浪涌能量耗散产生的热量与散热路径，必要时采用隔离或外壳保护以提高可靠性。
综上，07D820K 是一款面向中低压电源侧、要求较高浪涌吸收能力的压敏电阻产品，适用于工业与民用电源保护场景。在实际应用中请结合系统冲击波形、重复冲击次数及工作温度做好选型与热管理。
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