WMSIC Electronic Components

MSKSEMI LESD5D5.0CT1G-MS LESD5D5.0CT1G

ModelLESD5D5.0CT1G-MS
PackageSOD-523
BrandMSKSEMI
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
MSKSEMI LESD5D5.0CT1G-MS
Type
MSKSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MSKSEMI
Electronic Component
LESD5D5.0CT1G-MS
Electronic Component
1
Package
SOD-523
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.025g
Electronic Component
1
Cj- Capacitor
25pF
Electronic Component
BM0264464014
Operating Temperature
40℃~+125℃
Voltage
18.6V
Electronic Component
IEC 61000-4-4;IEC 61000-4-2
Current(Ir)
1uA
Voltage(VBR)
5.6V

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

LESD5D5.0CT1G-MS 瞬态抑制二极管(ESD防护)产品概述

这款由美森科(MSKSEMI)推出的LESD5D5.0CT1G-MS,是针对低电压电路设计的静电放电(ESD)及瞬态过压防护器件,核心作用是为敏感电子元件“过滤”突发高压干扰,避免因静电、电快速瞬变脉冲(EFT)等导致损坏。以下从多维度解析其性能与应用:

一、产品定位与核心用途

LESD5D5.0CT1G-MS属于小功率ESD防护器件,精准匹配5V电源系统的防护需求——正常工作时不影响电路功耗,瞬态过压时快速导通钳位,保护MCU、FPGA、传感器接口等敏感元件,是高密度PCB设计的常见防护“小卫士”。

二、关键电气参数深度解析

理解防护能力需重点关注以下核心参数:

  • 反向截止电压(Vrwm=5V):正常工作时反向偏置可承受的最大电压,直接匹配5V系统工作电压,避免误触发;
  • 击穿电压(Vbr=5.6V):导通阈值比Vrwm高0.6V,适配电压波动,保证电路稳定;
  • 钳位电压(Vc=18.6V):8/20μs脉冲下的最大输出电压,将过压钳位在安全范围,保护后端元件;
  • 峰值脉冲电流(Ipp=8A@8/20μs):可承受的最大脉冲电流,应对人体静电、小功率EFT干扰;
  • 反向漏电流(Ir=1μA):漏电流极小,几乎不影响低功耗系统;
  • 结电容(Cj=25pF):适合低速数字电路(如I2C、UART),高频射频电路需搭配更低电容器件。

三、封装与环境适应性

  • 封装:SOD-523:超小型表面贴装(1.6mm×0.8mm),大幅节省PCB空间,适配手机、智能穿戴等高密度设计;
  • 工作温度:-40℃~+125℃:覆盖工业级宽温范围,可在极端环境(低温户外、高温车载)稳定工作;
  • 防护等级:IEC 61000-4-4/IEC 61000-4-2:通过国际通用ESD、EFT标准测试,可靠性有行业依据。

四、符合标准与可靠性验证

严格遵循两项核心标准:

  • IEC 61000-4-2(静电放电):应对人体接触放电(8kV接触/15kV空气),覆盖消费电子、工业设备常见静电场景;
  • IEC 61000-4-4(电快速瞬变脉冲群):抑制电源线上的开关干扰脉冲,避免脉冲串冲击电路。

五、典型应用场景推荐

  1. 消费电子:手机、平板的充电口、耳机接口、按键电路防护;
  2. 工业控制:PLC I/O端口、温度/压力传感器信号接口防护;
  3. 低电压数字电路:MCU、FPGA、单片机的电源/数据引脚防护;
  4. 车载小功率电路:车载显示屏、倒车雷达传感器的5V电源系统防护(依赖宽温特性)。

六、选型与使用注意事项

  1. 电压匹配:仅适配5V系统,12V系统需选更高Vrwm型号;
  2. 高频适配:25pF结电容不适合GHz级射频电路,高频需选Cj<10pF器件;
  3. 脉冲裕量:实际应用需确保Ipp(8A)、Ppp(200W)有足够裕量;
  4. 焊接规范:SOD-523封装小,烙铁温度≤350℃,避免热损伤。

总结

LESD5D5.0CT1G-MS是高性价比的5V系统ESD防护器件,宽温、小封装、符合国际标准等特性,覆盖消费电子、工业、车载多领域低电压防护需求,是敏感元件防护的可靠选择。

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