Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
MSKSEMI UET14A05L03-MS UET14A05L03
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MSKSEMI UET14A05L03-MS
- Type
- MSKSEMI
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MSKSEMI
- Electronic Component
- UET14A05L03-MS
- Electronic Component
- 1
- Package
- SOT-143
- Type
- ESD
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.034g
- Electronic Component
- 1
- Cj- Capacitor
- 1.2pF
- Electronic Component
- BM0225765466
- Voltage
- 15V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-5；IEC 61000-4-2
- Current(Ir)
- 100nA
- Voltage(VBR)
- 6V
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
UET14A05L03-MS 产品概述
一、产品简介
UET14A05L03-MS 是美森科（MSKSEMI）推出的一款低电容瞬态抑制二极管（ESD Protector），封装为 SOT-143。器件针对 5V 及以下的接口提供高速、低漏电的静电和脉冲浪涌保护，适用于 USB、数据总线、接口引脚等敏感线路的过压防护。
二、主要电气参数（典型）
- 钳位电压（VCL）：15V（Ipp 峰值脉冲电流条件下）
- 击穿电压（VBR）：6V（典型）
- 反向截止电压 Vrwm：5V（工作电压）
- 峰值脉冲电流 Ipp：5A
- 反向电流 Ir：100nA（在 Vrwm 下）
- 结电容 Cj：1.2pF（低电容，适合高速信号）
- 防护等级：符合 IEC 61000-4-2（ESD）、IEC 61000-4-4（EFT）、IEC 61000-4-5（Surge）
三、性能亮点
- 低结电容（1.2pF）：对高速差分/单端信号影响小，可用于 USB、HDMI、LVDS 等高速接口；在 50Ω 系统下对应的带宽可达数 GHz 级别。
- 快速钳位与高峰值能量吸收：在 5A 峰值脉冲下钳位电压约 15V，有效限制瞬态电压对后级器件的冲击。
- 极低漏电（100nA）：适合低功耗系统和对偏置要求严格的接口。
- 紧凑 SOT-143 封装：占板面积小，适合密集布局的消费电子和通信设备。
四、典型应用场景
- USB 和外围接口（5V 系统）
- 智能手机、平板、笔记本的 I/O 保护
- 摄像头模组、传感器接口的 ESD 抗扰度设计
- 工业控制和通信设备的信号线防护
五、使用与布局建议
- 将器件尽量靠近被保护的连接器或引脚放置，走线尽量短且直接到地。
- 保障良好地平面或多点接地以提高瞬态能量散逸能力。
- 对于高能雷击或长线入侵场景，建议与串联阻抗元件或更大能量级别的浪涌保护件配合使用。
六、总结
UET14A05L03-MS 以其低电容、低漏电与较高能量吸收能力，适合对信号完整性和低功耗有较高要求的 5V 级接口防护。小封装便于在紧凑电路板上部署，是对 USB、数据线、I/O 引脚进行 ESD/EFT/浪涌防护的实用选择。购买或替换时，请依据实际工作电压、最大容许钳位及系统能量预算进行评估。
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