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KUU ESD5344D
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- KUU ESD5344D
- Type
- KUU
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- KUU
- Electronic Component
- ESD5344D
- Electronic Component
- 1
- Package
- DFN2510
- Electronic Component
- Electronic Component
- Type
- ESD
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.029g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 0.2pF
- Electronic Component
- BM0258756619
- Operating Temperature
- 55℃~+125℃
- Voltage
- 15V
- 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.
ESD5344D 产品概述
ESD5344D 是 KUU 推出的四路单向瞬态抑制保护器件，专为高速信号线及接口保护设计。器件采用 DFN2510 小封装，具有极低结电容与低漏电流的特点，可在受静电放电（ESD）与电快速瞬变（EFT）冲击时为敏感电子电路提供可靠防护，满足工业级温度要求并通过 IEC 61000-4-2 与 IEC 61000-4-4 抗扰度规范。
一、主要特性
- 单向保护，适用于带有参考地的信号线保护。
- 四路独立通道，单芯片保护多条输入/输出线。
- 超低结电容 Cj ≈ 0.2 pF，最小化对高速数据传输的影响。
- 反向漏电流 Ir ≈ 1 μA（常温），适合低功耗系统。
- 工作温度范围宽：-55℃ ~ +125℃（Tj）。
- 小尺寸封装 DFN2510，便于高密度 PCB 布局。
二、关键参数
- 反向截止电压 Vrwm：5 V（典型应用保护电压）。
- 峰值脉冲电流 Ipp：4 A（瞬态脉冲条件下）。
- 峰值脉冲功率 Ppp：60 W（脉冲宽度和波形相关）。
- 钳位电压（典型）：15 V（在指定脉冲条件下测得）。
- 击穿电压：9 V（器件进入导通保护状态的参考值）。
- 防护等级：符合 IEC 61000-4-2（ESD）与 IEC 61000-4-4（EFT）要求。
三、典型应用场景
- USB、数据通信接口与其他 5 V 以内的数字信号线保护。
- 手机、平板、笔记本以及便携式终端的 I/O 口防护。
- 工业控制、楼宇自控与仪表中的接口保护与浪涌抑制。
- 网络设备、传感器模块与射频前端的静电防护（适用于对电容敏感的高速信号）。
四、封装与 PCB 布局建议
- DFN2510 封装占板面积小，适合高密度布线。
- 建议将器件尽量靠近需保护的连接器或接口放置，缩短受保护线的走线长度。
- 保护地（GND）应采用低阻抗回流路径：靠近器件放置多盲/过孔或局部接地平面，避免地环路。
- 对差分高速信号线，注意保持阻抗匹配与最小串扰；低结电容特性有助于降低对信号的影响。
五、使用注意事项
- 器件为单向型，适用于有明确参考地的信号；不宜直接用于双向/交流耦合线路。
- 峰值冲击参数（Ipp、Ppp）随脉冲波形与宽度变化较大，设计时应结合实际浪涌规格与测试条件评估裕量。
- 长期工作在极限温度或频繁高能冲击下，建议在系统层面增加冗余保护或滤波措施以延长可靠性。
ESD5344D 凭借低电容、低漏电以及多路保护特性，适合对信号完整性和可靠性有较高要求的现代电子系统，为接口及核心电路提供高效的瞬态抑制保护。
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