WMSIC Electronic Components

KUU KESD5311N

ModelKESD5311N
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 KESD5311N
Type
KUU
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
KESD5311N
Electronic Component
1
Package
0402
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.011g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.05pF
Electronic Component
BM0264342975
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.

KESD5311N 产品概述

一、产品简介

KESD5311N 是 KUU 推出的一款聚合物静电放电(ESD)抑制器,面向对信号完整性要求高的高速接口与敏感电子模块。该器件为单路、双向保护结构,额定反向截止电压(Vrwm)为 5V,具有极低的结电容(输入/输出至地:0.05 pF),在不影响高速数据传输的前提下,为器件提供可靠的静电防护能力。器件采用 0402 超小封装,适合集成在空间受限的移动、消费类及工业电子产品中。

二、主要特性

  • 极性:双向(支持正负极性瞬态事件)
  • 通道数:单路
  • 反向截止电压(Vrwm):5 V
  • 钳位电压:40 V(典型测试条件下)
  • 反向电流(Ir):10 nA(在 Vrwm 条件下)
  • 结电容(Cj,I/O 至地):0.05 pF(超低电容,适合高速接口)
  • 工作温度范围:-55 ℃ 至 +125 ℃
  • 防护等级:可满足 IEC 61000-4-2 等级 4(15 kV 空气放电、8 kV 接触放电)
  • 类型:ESD 抑制器,聚合物材料
  • 封装:0402(小型化设计,便于高密度布板)

三、电气参数(关键项)

  • Vrwm = 5 V:器件在正常工作电压下为高阻态,保证对信号的最低干扰。
  • 钳位电压 ≈ 40 V:在发生静电脉冲时,抑制器将导通并将突波电压钳位至该区域以保护后级电路(钳位电压随冲击电流大小会有变化,请根据实际冲击条件评估)。
  • 反向漏电流 Ir = 10 nA:在 Vrwm 条件下的极低漏电,适合对功耗敏感的应用。
  • 结电容 Cj = 0.05 pF:远低于一般 TVS 器件的电容值,能够最大程度保持高速信号波形与眼图完整性。

(注:上述电气项为器件典型或关键规格,实际应用中应参考器件具体数据手册以获得详细的特性曲线和测试条件。)

四、封装与布局优势

KESD5311N 采用 0402 封装,具有体积小、寄生电感电容极低的优势。超小封装便于在接口附近就近布置,减少走线长度和回路面积,从而提升 ESD 抑制效果并减少对高频信号造成的影响。0402 尺寸也利于自动化贴装与批量生产。

五、典型应用场景

  • 高速差分/单端数据接口:USB、USB-C、HDMI、MIPI、LVDS、SATA 等
  • 移动终端:智能手机、平板、可穿戴设备
  • 工业与物联网终端:传感器接口、无线模块天线端口、低功耗通信模块
  • 消费类电子:触控屏、按键输入、外设接口
  • 其他对信号完整性要求高且需通过 IEC61000-4-2 的场合

六、PCB 布局与使用建议

  • 放置位置:将 KESD5311N 尽量靠近受保护的连接器或接口处,以缩短从入射点到保护器的走线长度。
  • 接地处理:器件的地端应尽可能短且直连至器件共同参考地或大面积地平面,避免长地线或窄带形状,以减少回路阻抗。
  • 走线与阻抗:对高速差分信号,保持差分对的阻抗一致并尽量避免在保护器与接口之间增加桥接等可能影响阻抗的元件;如需要,可在保护器前端加入小值串联电阻(例如 5–22 Ω)以进一步改善抗共模和抑制反射,但需根据信号速率验证眼图影响。
  • 避免在保护器与敏感器件间穿过多层过孔:过多的 vias 会增加寄生并影响保护效果。
  • 多路保护:若设计中存在多路信号,建议为每一路在对应位置放置单个 ESD 抑制器,确保每一路都有低阻抗回地路径。

七、可靠性与测试能力

KESD5311N 基于聚合物 ESD 技术,具备自恢复性、低漏电和高重复防护能力。该器件被设计用于通过 IEC 61000-4-2 等级 4 的测试要求(示例:15 kV 空气放电、8 kV 接触放电),适合需要严格静电防护的产品开发。器件的工作温度范围 -55 ℃ 至 +125 ℃,适应宽温环境应用。

八、采购与注意事项

  • 品牌:KUU
  • 型号:KESD5311N
  • 封装:0402(请核实封装带单或卷带包装以匹配产线贴片需求)
  • 选型提示:在设计前,请结合系统最大工作电压(Vrwm=5V)与实际脉冲电流大小,确认钳位电压与保护水平符合器件后级能承受的最大电压,应参考完整数据手册中的能量吸收能力与瞬态响应曲线。
  • 数据手册与样品:建议获取 KUU 提供的完整数据手册与样品进行系统级 ESD 测试与高速信号完整性验证。

KESD5311N 凭借超低结电容与小体积封装,为要求高信号完整性同时需满足严苛静电防护的设计提供了理想选择。若需进一步的电气特性曲线、封装图或推荐 PCB 尺寸布局,请参阅 KUU 官方资料或联系供应商获取完整技术支持。

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