WMSIC Electronic Components

RUILON 10D470K

Model10D470K
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RUILON 10D470K
Type
RUILON
Minimum package
500 袋装

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
10D470K
Electronic Component
1
Package
Through-hole, P=7.5mm
Electronic Component
Varistor Resistor
Electronic Component
4.2J
Electronic Component
1.02g
Electronic Component
1
Varistor Voltage
42V~52V
Electronic Component
BM0231092970
Voltage
93V
Static Power
50mW
Static Capacitor
3.3nF@1kHz
Operating Voltage(AC)
30V
Operating Voltage(DC)
38V

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

10D470K(RUILON 瑞隆源)产品概述

一、产品简介

10D470K 是一款插件式金属氧化物压敏电阻(MOV),由 RUILON(瑞隆源)提供,属于 10D 系列碟形封装,适用于直流/交流低压侧的浪涌吸收与过压保护。该器件以较低的静态电容和快速钳位响应见长,常用于电源入口、通信线路和工业控制设备的瞬态过电压防护。

二、主要电参数

  • 压敏电压(标称):约 42V~52V(产品标识常见为 47V 等级,10D470K 表示 10mm 盘径、47x 标称)
  • 钳位电压:典型 93V(在峰值浪涌条件下测得)
  • 工作电压(DC):38V(持续工作电压建议不超过此值)
  • 工作电压(AC):30V(有效值)
  • 峰值浪涌电流:500A(单次冲击能力)
  • 能量吸收:4.2J(单次脉冲能量)
  • 静态电容:3.3nF @1kHz(对高频信号有影响时需考虑)
  • 静态功率:50mW(额定漏损相关)

三、产品特性与优势

  • 良好的瞬态吸收能力:500A 峰值浪涌与 4.2J 能量吸收,能有效抑制雷击感应和开关跃变造成的高幅瞬态。
  • 稳定钳位性能:在大电流脉冲下钳位电压约 93V,能将过电压限制在可接受范围内,保护后级元件。
  • 适合插件安装:P=7.5mm 引脚间距,便于穿孔板或插针式装配,维修更换方便。
  • 中等静态电容:3.3nF 对某些高频敏感电路(如数据线)会产生影响,适用于电源侧或对容性要求不严格的场合。

四、典型应用场景

  • 开关电源输入端浪涌抑制(SMPS 及适配器)
  • 工业控制电源、仪表及驱动模块的过压保护
  • 通讯设备、网络供电(PoE 较高电压侧需注意静态电容)
  • 家用电器与消费电子的电源防雷/浪涌防护

五、选型与使用建议

  • 工作电压选择:器件压敏电压应明显高于正常工作电压,10D470K 适合用于 30V AC / ~38V DC 以下的系统;若系统长期处于较高直流电压或有持续偏置,应选用更高压等级的 MOV。
  • 考虑钳位能力:根据后级器件的耐压能力,确认 93V 的钳位电压能否接受;若后级敏感,需并联或串联其他保护元件(如瞬态抑制二极管、气体放电管等)。
  • 高频影响:在信号/高速数据线路尽量避免使用高电容 MOV,或在布局中加以隔离。
  • 安装与焊接:插件式结构便于手工或波峰焊装配,具体焊接工艺请参考厂商资料以避免长时间高温影响压敏材料特性。

六、可靠性与注意事项

  • 切勿将 MOV 长期工作在其压敏电压附近,否则会加速老化、降低能量吸收能力并增加自热。
  • 多次大能量浪涌会逐步损耗 MOV 的吸收能力,应在设计中预留更换或多级保护策略。
  • 存储与机械应力:避免受潮、重压或弯折引脚,安装时注意保持引脚间距和良好绝缘。
  • 安全合规:在安全关键或需满足工业/安规认证的场合,请以厂商出具的规格书、测试数据和合规证书为准。

总结:10D470K(RUILON)为一款面向低压电源侧的通用型 MOV,具备较好的浪涌吸收和钳位稳定性,适合传统电源与工业设备的过压保护场合。选型时应综合考虑工作电压、钳位需求、静态电容对系统的影响以及长期可靠性,必要时结合厂商完整数据手册进行最终验证。

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