WMSIC Electronic Components

SHIKUES SD05C

ModelSD05C
PackageSOD-323
BrandSHIKUES
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
SHIKUES SD05C
Type
SHIKUES
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SHIKUES
Electronic Component
SD05C
Electronic Component
1
Package
SOD-323
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.03g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
10pF
Electronic Component
BM0265819150
Operating Temperature
55℃~+150℃
Voltage
18V
Electronic Component
IEC 61000-4-4;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.

SD05C ESD防护二极管产品概述

SD05C是SHIKUES(时科)推出的一款双向瞬态抑制型ESD防护二极管,针对5V供电系统的敏感电子电路设计,可有效抑制静电放电(ESD)及电快速瞬变脉冲群(EFT)带来的过压冲击,保障电路稳定运行。产品兼具小型化封装、低信号干扰及宽温适应性,适用于多领域场景。

一、核心应用场景

SD05C的设计特性使其适配多种电子设备的防护需求:

  1. 消费电子:手机、平板、笔记本电脑的USB接口、HDMI端口、音频接口等高速信号线路,低结电容避免影响信号完整性;
  2. 工业控制:传感器模块、PLC输入输出接口、工业通信总线(如RS485),宽温范围可适应-55℃~+150℃的极端环境;
  3. 通信设备:路由器、交换机的以太网端口,符合IEC 61000-4系列标准,满足EMC认证要求;
  4. 车载电子:车载信息娱乐系统的接口电路,宽温与高可靠性适配车载环境的温度波动。

二、关键性能参数解析

SD05C的核心参数针对性解决ESD防护的关键痛点:

  • 双向极性:无需区分正负极,简化电路布局,降低设计与焊接错误风险;
  • 反向截止电压(Vrwm=5V):精准匹配5V供电系统的正常工作电压,电路无额外功耗;
  • 钳位电压(18V):瞬态过压发生时,快速钳位电压至18V以下,避免后端器件损坏;
  • 峰值脉冲电流(Ipp=17A):可承受17A的8/20μs标准脉冲电流,覆盖常见ESD事件的能量需求;
  • 结电容(Cj=10pF):低电容特性对高速信号(如USB 3.0、HDMI 2.0)传输损耗极小,保证信号完整性;
  • 反向漏电流(Ir=17μA):正常工作时漏电流极低,不影响系统功耗与稳定性;
  • 工作温度范围:-55℃~+150℃宽温设计,满足工业级、车载级等严苛环境要求。

三、封装与可靠性

  • 封装形式:采用SOD-323小型表面贴装封装,尺寸仅1.6mm×0.8mm×0.6mm,适配高密度PCB设计,节省空间;
  • 可靠性验证:产品经过高低温循环、湿度测试等可靠性试验,确保长期工作无失效,符合工业级器件标准。

四、标准兼容性

SD05C完全符合国际电磁兼容(EMC)相关标准:

  • IEC 61000-4-2:ESD防护标准,可覆盖接触放电±8kV、空气放电±15kV测试等级;
  • IEC 61000-4-4:电快速瞬变脉冲群(EFT)防护标准,有效抑制快速脉冲干扰;
  • 上述标准兼容性降低终端设备的EMC认证风险,提升产品市场准入能力。

五、选型优势总结

对比同类ESD防护器件,SD05C具备以下核心优势:

  1. 低干扰性:10pF结电容远低于部分竞品(如15pF以上),更适合高速信号线路;
  2. 宽温适应性:-55℃~+150℃范围覆盖工业、车载等场景,消费级产品无法企及;
  3. 设计便捷性:双向极性无需正负极区分,简化电路设计与生产流程;
  4. 高防护能力:17A峰值脉冲电流与350W瞬态功率,可应对更强过压冲击;
  5. 品牌可靠性:SHIKUES(时科)工业级器件品质,保障长期稳定运行。

总结

SD05C作为专为5V系统设计的双向ESD防护二极管,凭借低结电容、宽温范围、高防护能力及小型化封装等特性,成为消费电子、工业控制、通信及车载电子领域的理想防护方案。其符合国际EMC标准的设计,可有效降低系统因静电或瞬态过压导致的失效风险,提升终端产品的可靠性与稳定性。

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