WMSIC Electronic Components

RUILON RL1206A471K

ModelRL1206A471K
Package1206
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 RL1206A471K
Type
RUILON
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
RL1206A471K
Electronic Component
1
Package
1206
Electronic Component
Varistor Resistor
Electronic Component
400mJ
Electronic Component
0.036g
Electronic Component
1
Varistor Voltage
517V
Electronic Component
BM0265147433
Voltage
775V
Operating Voltage(AC)
300V
Operating Voltage(DC)
385V
Surge Current
40A
Electronic Component
Electronic Component

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

RUILON RL1206A471K 压敏电阻产品概述

一、产品核心定位

RL1206A471K是瑞隆源(RUILON)推出的贴片式氧化锌压敏电阻,采用1206标准封装,针对电子设备的中高压浪涌防护需求设计,兼具体积小巧、防护性能稳定的特点,适用于工业控制、家电、通信等多数场景的过压保护。

二、关键电气参数解析

压敏电阻的核心性能由电气参数决定,RL1206A471K的关键参数及实际意义如下:

2.1 压敏电压(V₁ₘₐ)

压敏电压是器件导通的基准参数,RL1206A471K的压敏电压为517V(典型公差±10%),指通过1mA直流电流时的两端电压。该参数确保:

  • 正常工作电压下器件呈高阻态,不干扰电路功能;
  • 电压超过此值时,器件迅速导通,将浪涌能量泄放至地。

2.2 额定工作电压

器件可长期稳定工作的电压范围为:

  • 直流(DC):385V;
  • 交流(AC):300V(有效值)。
    此参数需与电路工作电压匹配,避免压敏电阻在正常工况下误触发或加速老化。

2.3 钳位电压(Vc)

钳位电压是浪涌发生时器件两端的最大电压,RL1206A471K的钳位电压为775V(对应峰值浪涌电流40A)。钳位电压越低,对后级敏感电路(如MCU、传感器)的保护效果越好,可有效抑制过压对元件的击穿损坏。

2.4 浪涌耐受能力

  • 峰值浪涌电流(Ipp):40A(单次峰值),即器件能承受的最大浪涌电流冲击;
  • 浪涌能量(E):400mJ,反映器件吸收浪涌能量的能力,可应对电网瞬变、雷击感应等日常浪涌场景。

三、封装与环境适应性

RL1206A471K采用1206贴片封装(尺寸:3.2mm×1.6mm×1.2mm),具有以下特点:

  1. 小型化设计:适配高密度PCB布局,满足智能家居、便携式设备的空间需求;
  2. 自动化兼容:支持SMT(表面贴装技术)自动化生产,提高装配效率;
  3. 环境可靠性:工作温度范围为-40℃~+85℃,可适应工业、户外等复杂环境;
  4. 机械稳定性:封装强度满足振动、冲击测试要求(符合IEC 60068标准),适合车载、工业控制等场景。

四、典型应用场景

结合参数特性,RL1206A471K主要应用于以下领域:

  1. 工业控制设备:PLC输入输出接口、传感器模块的过压防护;
  2. 家电与照明:洗衣机、空调等高压控制电路,高压LED驱动电源的浪涌抑制;
  3. 电源模块:AC-DC开关电源输入端、UPS输出端的过压保护;
  4. 通信设备:基站射频接口、路由器电源模块的防雷与浪涌防护;
  5. 汽车电子:车载充电器、中控系统的辅助过压防护(需结合整车EMC要求)。

五、产品优势总结

RL1206A471K在同类产品中具有以下优势:

  1. 参数一致性:瑞隆源生产工艺确保压敏电压、钳位电压公差稳定,批量应用可靠性高;
  2. 防护-体积平衡:1206封装实现中高压防护与小型化兼顾,适配主流设备设计;
  3. 成本效益:性价比优于部分进口品牌,适合大规模量产;
  4. 标准合规:符合IEC 61000-4-5(浪涌抗扰度)、GB/T 10191(压敏电阻标准)等规范,可快速通过EMC测试。

该产品可有效解决电子设备的过压防护问题,是中高压场景下小型化防护的优选器件。

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