WMSIC Electronic Components

RUILON 10D391K

Model10D391K
PackageThrough-hole, P=7.5mm
BrandRUILON
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RUILON 10D391K
Type
RUILON
Minimum package
500 袋

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
10D391K
Electronic Component
1
Package
Through-hole, P=7.5mm
Electronic Component
Varistor Resistor
Electronic Component
35.1J
Electronic Component
0.712g
Electronic Component
1
Varistor Voltage
351V~429V
Electronic Component
BM0241234859
Voltage
650V
Static Power
400mW
Static Capacitor
240pF@1kHz
Operating Voltage(AC)
250V
Operating Voltage(DC)
320V

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

10D391K 产品概述

一、产品简介

10D391K 是 RUILON(瑞隆源)出品的金属氧化物压敏电阻(MOV)插件型浪涌吸收元件,典型用于交流/直流配电端的过电压保护。该型号具有体积小、响应快、能量吸收能力适中等特点,适合家电、开关电源、照明及一般工业设备的浪涌保护应用。

二、主要电气参数

  • 压敏电压(Varistor Voltage):351V ~ 429V(标称值范围,按标准测试电流测得)
  • 钳位电压(Clamping Voltage):650V(在指定浪涌条件下的典型钳位值)
  • 工作电压:DC 320V;AC 250V(连续运行不应超过此值)
  • 峰值浪涌电流:2.5kA(典型/规格值,适用于一次性或短时冲击)
  • 吸收能量:35.1J(按标准脉冲能量评定)
  • 静态电容:240pF @ 1kHz(对高频信号有一定影响,应在高速线路上慎用)
  • 静态功耗(最大):400mW(环境温度与散热条件相关)

三、结构与封装

  • 封装形式:插件盘形(Disc)
  • 引脚间距:P = 7.5mm
    适用于穿孔安装或插脚焊装,便于维修更换。

四、典型应用场景

  • 家用与商用电源输入端雷击/浪涌保护(L–N 或 L–G / N–G)
  • 开关电源(SMPS)输入端浪涌抑制
  • 照明电源、家电控制板、工业控制器的过电压保护

五、设计与使用建议

  • 将 MOV 布置在电源入口接近外壳接地处,以最小化走线感应。
  • 对交流电网应用优先做 L–N 配置;在需要三点保护时增加到 L–G/N–G。
  • 注意钳位电压应低于被保护电路可承受的最大耐压值。
  • 静态电容 240pF 可能影响高频/信号线,应避免用于敏感数据线保护。
  • 对于重复或大能量浪涌环境,建议配合熔断器、热熔断器或串联阻抗提高系统鲁棒性。

六、安装、维护与可靠性

  • 插件焊接时遵循厂商工艺避免长时间高温;安装时留有足够间隙保证散热。
  • MOV 为一次或有限寿命元件,经历大能量浪涌后电阻/压敏特性会退化,应在故障后更换。
  • 储存请避免潮湿、高温及机械损伤,装配时避免弯折或应力集中。

七、选型参考与替代

  • 若需更高能量或更低钳位,可选更大直径(如 14D、20D 等)型号。
  • 若对电容敏感,选择低电容专用抑制器或气体放电管等替代方案。
  • 在特殊行业(如太阳能、通信)应参照行业规范选型并考虑长期循环与温升影响。

八、采购与规格确认

采购时请确认:厂家、完整型号、批次相关的压敏电压范围与测试条件、浪涌能量与测试波形(常见 8/20µs),以及是否符合相应安全认证。对于关键应用建议索取样品并进行实际电路测试验证。

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