WMSIC Electronic Components

KUU KESD5311X

ModelKESD5311X
Package0402
BrandKUU
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
KUU KESD5311X
Type
KUU
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
KESD5311X
Electronic Component
1
Package
0402
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.013g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.05pF
Electronic Component
BM0234575823
Operating Temperature
55℃~+125℃
Voltage
40V
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.

KESD5311X 产品概述

KESD5311X 是 KUU 推出的单路、双向静电放电(ESD)保护器件,封装为 0402 超小型封装,专为对信号完整性和体积要求极高的高速接口与移动设备电路保护而设计。器件在宽温区间(-55℃ ~ +125℃)稳定工作,能在受限空间内提供可靠的静电与瞬态浪涌防护。

一、主要性能亮点

  • 钳位电压(Vclamp):40 V,能在大幅能量注入时限制瞬态电压,保护后级电路元件。
  • 反向截止电压(Vrwm):5 V,适用于保护 5V 及以下工作电压的接口。
  • 极性:双向(Bidirectional),对正负极性瞬态均可有效钳制,适合差分信号线或双向通信接口。
  • 通道数:单路,适用于单信号通道或对多个通道采用多颗器件分布式保护。
  • 结电容(Cj):0.05 pF(典型),极低的结电容可最大限度降低对高速信号的影响,利于保持信号完整性。
  • 反向电流(Ir):10 nA(典型),在工作电压下泄漏电流极小,可满足低功耗系统需求。
  • 防护等级:符合 IEC 61000-4-2 静电放电防护标准,适用于工业与消费类环境的静电防护需求。
  • 工作温度:-55℃ ~ +125℃,适应恶劣的环境温度变化。
  • 封装:0402(超小型,适合高密度 PCB 布局)。

二、典型应用场景

  • 手机、平板、可穿戴设备的接口保护(例如按键、触摸屏、充电接口)。
  • 高速信号接口:USB、HDMI、MIPI、LVDS 等需要低电容保护的数传线路。
  • 工业与医疗电子设备中对静电与浪涌敏感的控制/通信端口。
  • 物联网终端、无线模块与射频前端的过渡保护。

三、设计要点与使用建议

  • 布局:将 KESD5311X 尽量靠近被保护的器件或接口引脚放置,缩短受保护引脚与保护器件之间的走线长度,从而提高保护效率。
  • 地线处理:若设计中存在公共地,通过短且宽的回流路径连接地,以便瞬态电流可靠回流。
  • 串联元件:对于某些应用,可在信号线上串联微欧级串阻抗或共模电感以配合 ESD 器件提升防护能力。
  • 焊接与工艺:0402 小封装适配常规 SMT 回流焊工艺,建议按照 PCB 装配规范进行回流曲线与焊盘设计,避免过高温度或过长回流时间导致封装应力。

四、可靠性与测试

KESD5311X 在 IEC 61000-4-2 静电放电测试要求下提供可靠防护能力;低结电容与低泄漏电流特性经过优化,兼顾了高速信号传输与低功耗要求。器件工作温度范围宽,适合多种工业与消费场景。

五、包装与订购信息

  • 品牌:KUU
  • 型号:KESD5311X
  • 封装:0402,单路、双向 ESD 保护器件。
  • 订购说明:在选型时请注明封装与数量,若需样片或技术资料(如 S-参数、典型钳位曲线),请向 KUU 或其授权分销渠道索取完整规格书。

KESD5311X 将小型化封装与高性能 ESD 防护相结合,特别适合对体积与信号完整性要求严格的现代电子产品,为关键接口提供稳定可靠的瞬态保护。若需进一步的电气特性曲线、封装尺寸图或 PCB 参考布局,请提供具体使用场景,以便给出更精确的建议。

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