WMSIC Electronic Components

RUILON RLST143A053LV

ModelRLST143A053LV
PackageSOT-143
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 RLST143A053LV
Type
RUILON
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
RLST143A053LV
Electronic Component
1
Package
SOT-143
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.029g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
3pF
Electronic Component
BM0265147424
Operating Temperature
55℃~+125℃
Voltage
9.8V
Electronic Component
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.

RLST143A053LV 单向ESD防护器件产品概述

RLST143A053LV是瑞隆源(RUILON)针对低电压敏感电路静电放电(ESD)防护推出的双路单向专用器件,集成高防护能力、低电容特性与宽温适应性,适配消费电子、工业控制、汽车电子等多场景的小型化防护需求。

一、产品核心定位与设计目标

该器件以“5V系统下的低干扰、高可靠ESD防护”为核心设计目标,重点解决三大行业痛点:

  • 敏感电路(如射频、高速信号)对电容干扰的敏感问题;
  • 严苛环境(高低温、高湿度)下的长期稳定性需求;
  • 小型化设备中双路信号/电源防护的空间限制。

二、关键性能参数深度解析

RLST143A053LV的参数设计精准匹配低电压系统防护需求,核心参数及实际意义如下:

1. 防护基础参数

  • 极性:单向:仅对特定方向(通常为正向过压)的瞬态脉冲提供防护,适合单向信号/电源线路;
  • 反向截止电压(Vrwm):5V:正常工作时反向可承受的最大电压,完美适配5V供电系统,避免正常电压下导通;
  • 击穿电压:6V:比Vrwm高1V,保证正常工作时器件处于截止状态,过压时快速导通实现防护;
  • 钳位电压:9.8V:8/20us脉冲波形下的钳位电压,将过压峰值限制在10V以内,有效保护后级敏感电路(如MCU、射频芯片)。

2. 脉冲防护能力

  • 峰值脉冲电流(Ipp):5A@8/20us:符合IEC 61000-4-2标准的脉冲波形下,可承受最大5A峰值电流,覆盖常见ESD脉冲强度;
  • 峰值脉冲功率(Ppp):300W@8/20us:对应脉冲功率能力,确保突发过压时的能量快速耗散。

3. 电气兼容性与可靠性

  • 结电容(Cj):3pF:低电容特性,对高频信号(如WiFi、蓝牙、高速数据接口)的干扰极小,不影响信号完整性;
  • 反向电流(Ir):5uA:Vrwm下的反向漏电流,漏电流极低,不会增加系统静态功耗,适合低功耗设备;
  • 工作温度:-55℃~+125℃:宽温范围,覆盖工业级(-4085℃)与汽车级(-40125℃)环境,满足严苛场景需求;
  • 防护等级:IEC 61000-4-2:符合国际静电防护标准,兼容性与可靠性经权威认证。

4. 集成特性

  • 通道数:双路:单封装集成两路防护,节省PCB空间,减少元件数量,降低电路设计复杂度。

三、封装与可靠性设计

RLST143A053LV采用SOT-143封装,尺寸约1.6×1.0×0.8mm,属于小型表面贴装封装,适配高密度PCB设计:

  • 封装引脚布局合理,双路防护引脚独立,便于电路布线;
  • 封装材料耐高温、抗潮湿,配合宽温工作范围,长期可靠性有保障;
  • 无铅无卤设计,符合RoHS环保标准,适配绿色制造需求。

四、典型应用场景

该器件凭借低电容、宽温、双路防护等优势,广泛应用于以下领域:

1. 消费电子

  • 智能手机/平板电脑:USB接口、HDMI接口、触控屏驱动电路的ESD防护;
  • 智能穿戴设备:蓝牙模块、心率传感器等低功耗电路的防护。

2. 工业控制

  • PLC(可编程逻辑控制器):数字输入/输出接口、通信模块(RS485/CAN)的防护;
  • 工业传感器:温度、压力、位移传感器的信号线路防护。

3. 汽车电子

  • 车载信息娱乐系统:USB接口、音频输入输出的防护;
  • 汽车传感器:胎压监测(TPMS)、倒车雷达等传感器的防护;
  • 车载通信:CAN总线、LIN总线的信号防护。

4. 通信与物联网

  • 路由器/交换机:高速以太网接口、WiFi模块的防护;
  • 物联网节点:低功耗蓝牙(BLE)、LoRa模块的信号防护。

五、选型优势总结

与同类单路/双路ESD防护器件相比,RLST143A053LV具有以下核心优势:

  1. 低电容适配高频:3pF结电容对高速信号干扰可忽略,适合射频与高速数据接口;
  2. 宽温覆盖严苛场景:-55~125℃温宽远超消费级器件,适配工业与汽车环境;
  3. 双路集成省空间:单封装两路防护,减少元件数量与PCB面积;
  4. 稳定钳位保护可靠:9.8V钳位电压精准,避免过压击穿后级电路;
  5. 低漏电流低功耗:5uA漏电流不影响系统静态功耗,适合低功耗设备。

RLST143A053LV通过精准的参数设计与可靠的封装设计,成为5V系统中敏感电路ESD防护的高性价比优选器件,可有效提升设备的抗静电能力与长期稳定性。

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