WMSIC Electronic Components

RUILON RLSD32A241LC

ModelRLSD32A241LC
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+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RUILON RLSD32A241LC
Type
RUILON
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
RLSD32A241LC
Electronic Component
1
Package
SOD-323
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.029g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
1pF
Electronic Component
BM0264391765
Voltage
43V
Electronic Component
IEC 61000-4-2
Current(Ir)
1uA

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

RLSD32A241LC 瞬态抑制二极管(TVS)产品概述

RLSD32A241LC是瑞隆源(RUILON)针对低压电子电路设计的双向瞬态抑制二极管(TVS),核心用于防护静电放电(ESD)、浪涌脉冲对敏感元件的损坏。该器件具备小封装、低结电容、双向防护等特点,符合IEC 61000-4-2静电防护标准,适用于消费电子、IoT、通信等多领域小型化设备。

一、产品定位与核心用途

RLSD32A241LC定位于低压电路的前端瞬态防护器件,重点解决两大问题:

  1. 应对人体接触、设备摩擦产生的静电放电(ESD);
  2. 抑制开关切换、雷电感应等产生的小功率浪涌脉冲。
    其核心用途是并联在信号/电源线路中,当线路出现异常过压时快速导通,将电压钳位在安全范围,保护后端IC、传感器、显示模组等敏感器件。

二、关键参数解析

该器件的核心参数围绕“防护能力”“信号兼容性”“可靠性”三个维度设计:

1. 极性与工作电压

  • 双向极性:支持正负脉冲同步防护,无需区分线路极性,简化电路设计;
  • 反向截止电压(Vrwm)=24V:电路正常工作时反向漏电流极小(≤1uA),不影响信号传输;
  • 击穿电压(典型值)=26.7V:过压触发阈值,当线路电压超过该值时器件快速导通。

2. 防护能力

  • 峰值脉冲电流(Ipp)=1A(8/20us波形):可应对常见静电放电(如人体接触产生的±8kV);
  • 峰值脉冲功率(Ppp)=300W:覆盖小功率浪涌(如电源开关切换脉冲);
  • 钳位电压=43V:过压时将线路电压限制在43V以内,远低于后端器件(如CMOS芯片)的损坏阈值(通常≥5V以上,但低压器件需更严格防护)。

3. 信号兼容性

  • 结电容(Cj)=1pF(典型值):在高频信号(如1GHz以上射频、高速USB 3.0)传输中,低结电容不会导致信号反射、衰减或失真,适配对信号完整性要求高的场景。

4. 可靠性

  • 反向电流(Ir)=1uA:正常工作时漏电流可忽略,对电池供电设备(如智能手表)的续航无影响;
  • 工作温度范围:常规TVS器件兼容-55℃~150℃,满足工业/车载场景的温度适应性。

三、封装与可靠性设计

RLSD32A241LC采用SOD-323封装(尺寸1.6mm×0.8mm×0.6mm),具备以下优势:

  1. 小型化:适配高密度PCB布局,满足智能手机、智能穿戴等轻薄化设备的设计需求;
  2. 工艺可靠性:采用玻璃钝化芯片工艺,抗机械应力强,符合无铅焊接标准,适配自动化贴装生产线;
  3. 散热性:小封装虽功率容量有限,但针对低压小功率防护场景已足够,无需额外散热设计。

四、防护性能与标准合规

该器件严格遵循IEC 61000-4-2静电防护标准,可应对:

  • 接触放电:±8kV(人体直接接触端口);
  • 空气放电:±15kV(人体靠近端口产生的静电)。
    同时,针对8/20us浪涌波形的300W功率承受能力,覆盖日常电子设备的常见瞬态过压场景。

五、典型应用场景

RLSD32A241LC的特性使其适配多领域低压设备:

  1. 消费电子:智能手机/平板的Type-C/USB接口、耳机孔、麦克风接口防护;智能手表/手环的充电接口、传感器接口防护;
  2. IoT与智能家居:温湿度传感器、智能网关、智能门锁的信号输入输出端口防护;
  3. 通信设备:路由器/交换机的10/100M以太网端口、无线AP的Wi-Fi/蓝牙射频接口防护;
  4. 汽车电子:车载12V系统的传感器接口、CAN总线低电压端防护(需确认工作电压匹配);
  5. 工业控制:低压PLC的数字I/O端口、小型传感器模块的信号线路防护。

六、选型与应用注意事项

  1. 电压匹配:电路正常工作电压需≤24V(如12V/24V电源、5V信号线路),避免器件长期导通;
  2. 脉冲容量:单次脉冲电流需≤1A,若存在大功率浪涌(如雷电直击),需配合压敏电阻等器件级联防护;
  3. 布局建议:尽量靠近防护端口(如连接器)并联,减少引线电感对防护效果的影响;高频场景需注意与信号线路的距离,避免干扰;
  4. 结电容适配:1pF结电容适合高频信号,若为低频模拟信号(如音频),可兼容但无需额外优化。

总结

RLSD32A241LC凭借双向防护、低结电容、小封装及符合标准的防护能力,成为低压电子电路瞬态防护的高性价比选择。其覆盖消费电子、IoT等多领域的小型化设备需求,是敏感元件防护的可靠解决方案。

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