WMSIC Electronic Components

RUILON RLSD32A0451CH

ModelRLSD32A0451CH
PackageSOD-323
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+

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Technical data

Product details

19 specifications

Core information

Product name
RUILON RLSD32A0451CH
Type
RUILON
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
RLSD32A0451CH
Electronic Component
1
Package
SOD-323
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.028g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
300pF
Electronic Component
BM0264888673
Operating Temperature
55℃~+125℃
Voltage
17V
Electronic Component
IEC 61000-4-5;IEC 61000-4-2

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

RLSD32A0451CH TVS瞬态抑制二极管产品概述

RLSD32A0451CH是RUILON(瑞隆源)推出的一款双向TVS瞬态抑制二极管,专为3.3V/5V低电压系统的浪涌防护设计,集成了高脉冲耐受能力、宽温适应性与紧凑封装特性,可有效应对静电放电(ESD)、雷击浪涌等瞬态过压威胁,广泛适用于消费电子、工业控制、通信设备等多领域。

一、产品核心定位与典型应用场景

RLSD32A0451CH聚焦通用低电压电路的浪涌防护,核心优势在于双向防护无需极性区分、参数匹配主流系统电压,典型应用包括:

  1. 消费电子领域:智能手机、平板电脑、智能穿戴设备的USB/Type-C接口、音频接口等易受ESD冲击的端口,可快速吸收静电放电能量,避免芯片损坏;
  2. 工业控制场景:小型传感器、PLC输入输出模块、工业物联网网关等设备的信号端口,其-55℃~+125℃的宽温范围可适应车间高温、户外低温等极端环境;
  3. 通信设备:低功耗无线模块(如蓝牙、LoRa)、路由器接口等,满足中等速率信号(100MHz以下)的防护需求,不会过度影响信号传输。

二、关键电气性能参数深度解析

该产品的核心参数围绕“低功耗导通+强浪涌耐受”设计,关键指标如下:

  1. 电压匹配与极性:双向极性设计,无需区分电路正负极,简化安装流程;反向截止电压Vrwm=4.5V,精准匹配3.3V/5V系统(正常工作电压远低于此值,不会导通消耗功耗);击穿电压Vbr=4.7V(比Vrwm略高,保证正常截止状态稳定);
  2. 浪涌耐受能力:峰值脉冲电流Ipp=160A(8/20μs波形)、峰值脉冲功率Ppp=2.7kW,可承受强浪涌冲击(如IEC 61000-4-5的2kV/200A组合波);浪涌钳位电压Vclamp=17V(@Ipp=160A),能快速将过压钳位在17V以下,保护后端器件;
  3. 低功耗与信号兼容性:反向漏电流Ir=1μA(Vr=4.5V时),漏电流极低,不影响系统正常功耗;结电容Cj=300pF,适合低速至中速信号(如UART、低速USB),满足多数通用场景的信号完整性要求;
  4. 宽温适应性:工作温度范围-55℃~+125℃,符合工业级温度标准,可在极端环境下长期稳定工作。

三、封装与可靠性设计

RLSD32A0451CH采用SOD-323小型表面贴装封装,尺寸仅1.6mm×0.8mm,具备以下优势:

  1. 高密度布局适配:小体积适合智能手机、小型模块等高密度PCB设计,节省空间;
  2. 贴装效率高:兼容自动贴片机生产,可实现高速批量贴装,降低生产升本;
  3. 可靠性保障:优化芯片结构设计,多次浪涌冲击后性能无明显衰减,符合工业级可靠性要求,可长期稳定工作。

四、符合国际标准与认证

该产品严格遵循国际EMC防护标准,可满足设备的电磁兼容要求:

  • IEC 61000-4-2(ESD防护):通过接触放电±8kV、空气放电±15kV的ESD测试,有效抵御人体静电冲击;
  • IEC 61000-4-5(浪涌防护):承受1.2/50μs&8/20μs组合波的浪涌冲击,防护等级满足多数设备的浪涌要求;

上述标准认证可简化系统EMC设计流程,无需额外验证,降低产品开发周期。

五、总结

RLSD32A0451CH凭借双向防护、宽温范围、高浪涌耐受、紧凑封装等核心优势,成为3.3V/5V系统浪涌防护的高性价比选择。其覆盖消费电子、工业控制、通信等多领域的应用能力,能有效提升设备的抗干扰性与可靠性,是电子系统过压防护的理想器件。

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