WMSIC Electronic Components

RUILON RLSD52A051LC

ModelRLSD52A051LC
PackageSOD-523
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 RLSD52A051LC
Type
RUILON
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
RLSD52A051LC
Electronic Component
1
Package
SOD-523
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.023g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.5pF
Electronic Component
BM0264900788
Operating Temperature
55℃~+125℃
Voltage
12.9V
Current(Ir)
1uA

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

RLSD52A051LC 静电与浪涌保护器件产品概述

一、产品定位与核心功能

RLSD52A051LC是瑞隆源(RUILON)推出的双向ESD/TVS防护器件,专为电子设备的静电放电(ESD) 和小功率浪涌过压防护设计。其核心作用是:当后端敏感电路(如高速接口、射频模块、低压电源)遭遇瞬态过压时,快速导通并钳位电压,避免元器件损坏;同时在正常工作状态下,保持极低干扰,确保信号传输完整性。

二、核心电气参数详解

该器件参数针对低压、高频、小型化场景优化,关键特性如下:

  1. 双向极性:无需区分正负极即可安装,简化电路设计与生产流程,适配USB、HDMI等信号双向传输的接口。
  2. 反向截止电压(Vrwm=5V):正常工作时可承受的最大反向电压为5V,完美匹配主流5V系统(如便携式设备电源、信号接口),不导通、不干扰信号。
  3. 钳位电压(12.9V):遭遇ESD或浪涌时,快速将过压钳位至12.9V左右,有效保护后端芯片(一般芯片过压耐受阈值远低于此)。
  4. 峰值脉冲电流(3A@8/20μs):可耐受3A的8/20μs浪涌电流(国际标准波形),应对日常静电放电(人体放电模型HBM典型电流约2A)及小功率浪涌冲击。
  5. 击穿电压(5.4V):比Vrwm略高,确保过压发生时及时启动防护,避免延迟导致的后端损坏。
  6. 反向漏电流(Ir=1μA):正常工作时漏电流极小,不影响后端低功耗设计,也不会导致信号衰减。
  7. 结电容(Cj=0.5pF):极低结电容是核心优势,适配高速数字信号(USB3.0、LVDS)和射频信号(WiFi、蓝牙),避免电容耦合导致的信号失真、上升沿变缓。
  8. 工作温度(-55℃~+125℃):覆盖工业级温度要求,可在户外设备、车载电子等极端环境中稳定工作。
  9. 单路通道:适合单路信号或电源线路的独立防护,避免多通道器件的不必要成本。

三、封装与可靠性设计

RLSD52A051LC采用SOD-523(SC-79)封装,这是一款超小型表面贴装封装(约0.8mm×0.6mm),适配便携式电子设备(手机、智能穿戴)、小型化模块(射频模组、传感器)的高密度布局需求。

可靠性方面:

  • 宽温范围确保高低温循环中性能稳定;
  • 低漏电流+低电容设计保证长期信号完整性;
  • 峰值脉冲电流耐受能力经测试验证,可应对日常静电冲击(如人体接触设备时的放电)。

四、典型应用场景

该器件参数特性使其适配多种低压、高频、小型化应用:

  1. 高速数字接口:USB2.0/3.0、HDMI1.4/2.0、LVDS、MIPI等接口的ESD防护,低电容不影响高速数据传输;
  2. 射频模块:WiFi(2.4G/5G)、蓝牙(BLE)、GPS、NFC等射频电路的防护,避免静电干扰信号收发;
  3. 便携式电子设备:智能手机、平板电脑、智能手表、蓝牙耳机等,小封装适配紧凑内部空间;
  4. 工业控制电路:PLC、传感器节点、RS485通信接口的防护,宽温范围适应工业环境;
  5. 低压电源线路:5V电源输入端的浪涌/ESD防护,与系统电源电压精准匹配。

五、产品优势总结

RLSD52A051LC在同类器件中具有以下突出优势:

  • 双向防护+小封装:安装简便,适配高密度布局;
  • 低电容(0.5pF):完美兼容高速/射频信号,无信号干扰;
  • 宽温工作:-55℃~+125℃,覆盖工业级应用;
  • 低漏电流:1μA,不影响低功耗设计;
  • 高性价比:单路防护满足基础需求,成本可控。

该器件是低压电子设备ESD/浪涌防护的高性价比选择,尤其适合对信号完整性、小型化要求高的场景。

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