WMSIC Electronic Components

RUILON 05D431K

Model05D431K
PackageElectronic Component
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 05D431K
Type
RUILON
Minimum package
1000 袋

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
05D431K
Electronic Component
1
Package
Electronic Component
Electronic Component
Varistor Resistor
Electronic Component
7.7J
Electronic Component
0.712g
Electronic Component
1
Varistor Voltage
387V~473V
Electronic Component
BM0264382188
Voltage
745V
Static Power
100mW
Static Capacitor
65pF@1kHz
Operating Voltage(AC)
275V
Operating Voltage(DC)
350V

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

05D431K 产品概述

一、产品简介

05D431K 是 RUILON(瑞隆源)提供的一款金属氧化物压敏电阻(MOV),用于交流及直流系统的瞬态过电压保护。器件为径向引线封装,主体镀镍,适合消费电子与工业电子领域的浪涌抑制与过电压保护场景。

二、主要电气参数

  • 压敏电压(V1mA):387V ~ 473V
  • 钳位电压(Ipp=400A 时):约 745V
  • 工作电压(DC):350V
  • 工作电压(AC):275V(RMS)
  • 峰值浪涌电流(Ipp):400A
  • 吸收能量(单次):7.7J
  • 静态电容:65pF @ 1kHz
  • 静态功率/漏电:100mW

以上参数表明该型号适用于以 230VAC 电网为主的保护设计(典型选型 V1mA ≈ 430V 区间)。

三、结构与外观

05D431K 为径向引线式压敏电阻,主体经镀镍处理,具有良好的机械强度与耐腐蚀性。无引脚器件亦采用镀镍工艺(视封装变体而定)。常见封装便于波峰/回流焊前后的手工或自动插装。

四、主要特性与优势

  • 宽工作电压范围,适配多种电源等级;
  • 对瞬态过电压响应迅速,能在电压爬升初期限幅保护后端电路;
  • 大吸收能量能力与 400A 峰值浪涌电流,能承受电网雷击或开关瞬变;
  • 低钳位比,钳位电压较低可减少被保护设备承受的应力;
  • 较低静态电容(65pF),对高频信号干扰小,适合对信号完整性有要求的应用;
  • 本体镀镍,可靠性高,适合一般工业环境。

五、典型应用场景

  • 消费电子:电源适配器、电视、机顶盒、充电器、可携带设备的输入端防护;
  • 工业电子:工业电源、变频器输入端、控制柜、PLC 等的浪涌与过压保护;
  • 配电与末端保护:电源滤波/保护模块、浪涌保护器(SPD)等。

六、选型与使用建议

  • 依据系统工作电压(AC RMS 或 DC)选取合适 V1mA,230VAC 系统通常选 V1mA 在 430V 左右;
  • 注意能量与浪涌电流容量,若可能遇到多次或较高能量冲击,可并联或采用更高等级器件,并配合熔断/限流措施;
  • 为避免热失控,设计中建议加装限流器件或热熔断器;长期在接近最大额定功耗(100mW)下工作会缩短寿命;
  • 在对信号线保护时关注静态电容对带宽的影响,65pF 属中低值,通常可接受;
  • 安装时留有足够的间隙和散热空间,避免封装直接接触热源或潮湿环境。

七、存储与可靠性提示

  • 存放于干燥、常温环境,避免长期高温高湿;
  • 焊接时遵循推荐温度与时间,避免长时间暴露在高温下导致性能退化;
  • 在高能量冲击后应进行电气检查或更换,防止隐性损伤影响后续保护性能。

小结:05D431K 以其适中的压敏电压、良好的浪涌承受能力和低电容特性,适合 230VAC 工业与消费类设备的输入侧浪涌保护。合理的选型与保护电路配合,可显著提升系统的抗瞬态干扰能力与可靠性。

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