WMSIC Electronic Components

ElecSuper SD05.TCT-ES SD05.TCT

ModelSD05.TCT-ES
PackageSOD-323
BrandElec Super
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Elec Super SD05.TCT-ES
Type
ELECSUPER
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ELECSUPER
Electronic Component
SD05.TCT-ES
Electronic Component
1
Package
SOD-323
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.027g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
200pF
Electronic Component
BM0264715475
Operating Temperature
40℃~+125℃
Voltage
9V
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.

SD05.TCT-ES 产品概述

一、产品简介
SD05.TCT-ES 是 ElecSuper(静芯微)推出的一款单路单向瞬态电压抑制器(TVS),专为保护数据和传输线路上的敏感器件免受静电放电(ESD)、电快速瞬变(EFT)及雷击等瞬态能量冲击而设计。按照 IEC 61000-4-2 空气放电方法,所有引脚可承受高达 30kV 的 ESD 脉冲,适用于需高等级电气防护的接口设计。

二、主要性能参数

  • 极性:单向
  • 反向截止电压 Vrwm:5 V
  • 击穿电压 VBR:6.5 V(典型)
  • 钳位电压:约 9 V(峰值脉冲条件下)
  • 峰值脉冲电流 Ipp:30 A
  • 峰值脉冲功率 Ppp:450 W
  • 反向电流 Ir:≤ 1 μA
  • 结电容 Cj:约 200 pF
  • 通道数:单路
  • 工作温度:-40 ℃ ~ +125 ℃
  • 防护等级:符合 IEC 61000-4-2 要求(30 kV)
  • 封装:SOD-323(表面贴装)

三、关键特性与优势

  • 强抗静电能力:通过 IEC 61000-4-2 空气放电 30 kV 级别测试,适合高风险静电环境。
  • 高能量吸收:450 W 峰值功率和 30 A 峰值脉冲电流,能在短时冲击下快速钳位并保护后端器件。
  • 低漏电:反向漏电流仅 1 μA 级,适合对静态功耗敏感的应用。
  • 小型封装:SOD-323 便于在空间受限的 PCB 上布置,并利于自动化贴装。
  • 单向结构:适用于以地为参考的单极性信号或供电线保护。

四、应用场景

  • 消费类接口:USB、充电口、音视频接口等需抗 ESD 的外接端口。
  • 通信与网络设备:调制解调器、路由器、交换机的接口保护。
  • 工业与安防:工业控制器、监控摄像头、传感器信号线的瞬态防护。
  • 移动与便携设备:手机、平板、穿戴设备等对体感或接触式放电敏感的场合。

五、封装与布局建议

  • 靠近被保护器件的接头或连接器位置放置 TVS,缩短输入到 TVS 的走线,降低寄生感抗。
  • 将 TVS 的接地端通过低感抗的回流路径连接到整机地(建议多针通过过孔或短幅地平面)。
  • SOD-323 尺寸小,焊盘设计应参考厂商推荐尺寸并控制焊膏量,以保证焊接可靠性。
  • 由于结电容约 200 pF,在高速差分信号或对信号完整性要求高的链路(如高速 USB/HDMI)上需谨慎使用,避免引入过多负载或失真。

六、使用注意事项与可靠性提示

  • 单向器件要求线路有明确的参考地;不能用于要求双向钳位的差分对。
  • 钳位电压为在规定脉冲条件下测得的近似值,实际钳位与脉冲形状和源阻抗有关。
  • 在高能脉冲或重复冲击场合,需评估热耗散与器件寿命,必要时考虑并联或使用额外保护级联。
  • 设计时考虑结电容对信号的影响,必要时在保护器和信号端之间加入阻抗匹配或滤波措施。

七、结论与选型建议
SD05.TCT-ES 以其高电能吸收能力、30 kV 的 ESD 抗扰能力和小型 SOD-323 封装,适合用于对静电和瞬态冲击有严格要求的接口保护设计。在需要单极性、对漏电要求严格且对板上空间敏感的应用场景中,该器件是稳健的选择。但在高速差分信号线或对低结电容有严格要求的场合,应评估 200 pF 的结电容对信号完整性的影响,必要时选择低电容方案或将其用于非敏感线。若需进一步的原理图接法、封装尺寸或 PCB 布局建议,可根据具体应用提供详细指导。

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