WMSIC Electronic Components

RUILON RL0603A8R0K

ModelRL0603A8R0K
Package0603
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 RL0603A8R0K
Type
RUILON
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
RL0603A8R0K
Electronic Component
1
Package
0603
Electronic Component
Varistor Resistor
Electronic Component
100mJ
Electronic Component
0.041g
Electronic Component
1
Varistor Voltage
6.7V~10.1V
Electronic Component
BM0264254106
Voltage
22.2V
Operating Voltage(AC)
4V
Operating Voltage(DC)
5.6V
Surge Current
20A
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.

RL0603A8R0K 压敏电阻产品概述

一、产品基本定位与品牌背景

RL0603A8R0K是RUILON(瑞隆源)推出的小型化贴片压敏电阻,属于0603封装系列中的低电压防护型号。RUILON作为国内专注过压保护器件的厂商,其产品覆盖消费电子、通信、工业控制等多领域,RL0603A8R0K针对低电压直流系统的瞬态浪涌防护需求设计,兼顾小型化与可靠防护,适配高密度PCB布局场景。

二、核心电性能参数深度解析

RL0603A8R0K的参数精准匹配低电压电路的防护要求,各参数的实际意义需结合应用场景理解:

  • 压敏电压:6.7V10.1V(标称8V)
    该参数是在1mA直流测试电流下的电压范围,覆盖±16%+26%公差区间,确保不同批次器件的一致性,可快速响应电路中的微小过压信号;
  • 钳位电压:22.2V(20A浪涌下)
    当电路遭遇峰值20A(8/20μs标准浪涌波形) 的瞬态过流时,器件两端电压被钳位在22.2V以内,避免后级敏感元件(MCU、传感器、LED驱动IC等)因过压击穿损坏;
  • 工作电压:DC5.6V/AC4V
    为器件长期可靠工作的电压上限——若电路长期电压超过该值,会加速内部陶瓷材料老化,导致压敏电压下降甚至短路;
  • 浪涌能力:峰值浪涌电流20A(8/20μs)、能量100mJ(10/1000μs)
    可应对静电放电(ESD)、电源插拔浪涌、雷电感应浪涌等常见瞬态干扰,满足大多数低电压电路的防护需求。

三、封装特性与典型应用场景

3.1 封装优势

RL0603A8R0K采用0603贴片封装(尺寸1.6mm×0.8mm×0.5mm),具备三大核心优势:

  • 体积极小:节省PCB空间,适配手机、蓝牙耳机等小型化设备的高密度布局;
  • 自动化贴装:适合SMT生产线快速焊接,生产效率高;
  • 低电感效应:贴片结构减少引线电感,提升瞬态防护响应速度。

3.2 典型应用

该型号主要服务于低电压直流系统的过压防护,典型场景包括:

  1. 消费电子:手机充电接口、耳机接口、智能手表电源线路,应对插拔浪涌与ESD干扰;
  2. 小型通信模块:蓝牙、WiFi模块的电源输入与信号端口,保护射频芯片免受浪涌损坏;
  3. 工业传感器:3.3V/5V低电压传感器的信号/电源线路,避免现场浪涌影响数据传输;
  4. LED驱动电路:小功率LED灯串的电源端,保护驱动IC免受过压冲击。

四、选型与使用注意事项

为确保器件可靠工作,需注意以下要点:

  1. 电压匹配优先:必须保证电路长期工作电压≤DC5.6V(直流)或≤AC4V(交流有效值),若为5V直流系统,该型号为理想选择;
  2. 浪涌冗余设计:若电路浪涌峰值超过20A,可并联2个器件,浪涌能力提升至40A,避免单器件过载;
  3. 焊接工艺控制:0603封装焊接温度建议≤260℃,焊接时间≤3s,避免热应力导致陶瓷层开裂;
  4. 布局优化:应尽可能靠近被保护电路的输入端(如电源正极),减少引线长度,降低电感耦合对防护效果的影响;
  5. 关键电路老化监测:医疗、工业控制等关键电路可定期检测压敏电压,若偏离初始值±10%以上,建议及时更换。

RL0603A8R0K凭借小型化、高可靠性的特点,成为低电压电路过压防护的优选器件,适配多场景的紧凑设计需求。

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