WMSIC Electronic Components

MSKSEMI ESD05V14T-MS ESD05V14T

ModelESD05V14T-MS
PackageSOT-143
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 23+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MSKSEMI ESD05V14T-MS
Type
MSKSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MSKSEMI
Electronic Component
ESD05V14T-MS
Electronic Component
1
Package
SOT-143
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.034g
Electronic Component
1
Cj- Capacitor
0.45pF;0.95pF;1pF
Electronic Component
BM0225765467
Voltage
24V
Electronic Component
IEC 61000-4-4;IEC 61000-4-5;IEC 61000-4-2
Current(Ir)
100nA
Voltage(VBR)
8.5V

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

ESD05V14T-MS 产品概述

一、产品简介

ESD05V14T-MS 为 MSKSEMI(美森科)推出的一款双向瞬态抑制器(TVS),专为数字接口和高速信号线的静电放电(ESD)、浪涌和脉冲干扰防护设计。器件封装为 SOT-143,适合表面贴装、空间受限的电路板应用,型号定位为 ESD 类型保护器件。

二、主要参数(典型值)

  • 钳位电压(Vc):24 V
  • 击穿电压(Vbr):8.5 V
  • 反向截止电压(Vrwm):5 V(工作电压)
  • 峰值脉冲功率(Ppp):350 W
  • 峰值脉冲电流(Ipp):5 A
  • 反向电流(Ir):100 nA
  • 结电容(Cj):0.45 pF / 0.95 pF / 1 pF(可选)
  • 极性:双向
  • 类型:ESD 防护器件
  • 符合防护标准:IEC 61000-4-2、IEC 61000-4-4、IEC 61000-4-5

三、产品特点与优势

  • 双向结构:适用于双向信号线及差分对(如数据线、通信总线)之间直接跨接防护,不影响信号正负方向。
  • 低结电容可选:0.45 pF 型适合高速接口(对带宽敏感的差分对);0.95–1 pF 型适合常见 USB/串口等应用。
  • 高脉冲能量承受能力:350 W 峰值功率和 5 A 峰值脉冲电流保证对 IEC 标准下的 ESD、EFT 和浪涌冲击有良好吸收能力。
  • 低泄漏电流(100 nA):在 5 V 工作电压下泄漏极小,利于低功耗系统使用。

四、典型应用场景

  • USB 2.0 / USB OTG 接口、HDMI、MIPI、DP 等高速数据线的 ESD 防护(推荐根据带宽选择 0.45pF 型或 0.95–1pF 型)。
  • 手机、平板、消费类电子的 I/O 保护。
  • 工业控制、通信设备的接口保护(满足 IEC 61000 系列抗扰度要求)。
  • 摄像头数据线、差分总线保护。

五、布局与选型建议

  • 布局:器件应靠近连接器或外部接口放置,焊盘与地的回流路径要短、粗,必要时在器件附近布置过孔(vias)将保护地及时引至参考地。
  • 电容选择:对高速差分信号优先选用 0.45 pF 型,普通 USB/通用接口可选 0.95–1 pF 型,避免对信号眼图和上升沿产生明显影响。
  • 电压匹配:Vrwm=5 V 适合 5 V 系统;若系统工作电压高于 5 V,应选择更高 Vrwm 的器件以避免误触发。
  • 能量余量:根据可能遭受的最大冲击(ESD 等级或浪涌能量)比较 Ppp 与 Ipp 是否满足,必要时并联或级联增强保护能力。

六、结论

ESD05V14T-MS 以其双向保护、低结电容选项和符合 IEC 61000 系列标准的电磁兼容性能,适合用于 5 V 级别的高速数据线和通用接口防护。合理选用结电容型号并注意 PCB 布局,可以在不影响信号完整性的前提下,提供可靠的瞬态抑制保护。若有更高工作电压或更严苛浪涌需求,请结合系统实际参数进一步评估或咨询器件供应商。

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