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Brightking UAD8C05L01
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Brightking UAD8C05L01
- Type
- BRIGHTKING
- Minimum package
- 10000
Technical parameters
- Electronic Component
- Brightking
- Electronic Component
- UAD8C05L01
- Electronic Component
- 1
- Package
- SOD-882
- Electronic Component
- Electronic Component
- Type
- ESD
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.04g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 0.4pF
- Electronic Component
- BM0227572377
- Voltage
- 20V
- Electronic Component
- IEC 61000-4-2
- Current(Ir)
- 1uA
- Voltage(VBR)
- 7V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
UAD8C05L01 产品概述
一、产品简介
UAD8C05L01 是 Brightking（台湾君耀）推出的一款双向 ESD 二极管，封装为 SOD-882，专为高速信号线与接口的静电与浪涌保护而设计。器件工作电压 Vrwm = 5V，击穿电压约 7V，具有低结电容（Cj = 0.4 pF）和单通道防护结构，适合对信号完整性要求高的 USB、数据总线与射频等应用。
二、主要特性
- 极性：双向（可对正负方向的瞬态电压进行钳位）
- 反向截止电压 Vrwm：5 V
- 击穿电压（Vbr）：7 V（典型）
- 钳位电压：20 V（在脉冲条件下）
- 峰值脉冲电流 Ipp：3 A（8/20 μs 波形）
- 反向电流 Ir：1 μA（常态下）
- 结电容 Cj：0.4 pF（非常适合高速接口）
- 通道数：单路
- 防护等级：符合 IEC 61000-4-2 静电放电防护规范
- 封装：SOD-882（小型化，便于布局）
三、适用场景
- USB、HDMI、MIPI、SATA 等高速数据接口的端口保护
- 手机、平板、笔记本等便携设备的 I/O 引脚防护
- 工业与通讯设备的控制/信号线 ESD 防护
- 需要低电容且对信号完整性敏感的差分/单端高速线路
四、选型与布局建议
- 若信号线上存在直流偏置且高于 Vrwm（5 V），建议选用单向型 TVS 否则可能影响信号；本器件适合电平在 ±5 V 范围内的双向瞬态场景。
- 低结电容 0.4 pF 适合高速信号，但在 PCB 布局上仍需尽量缩短从受保护引脚到二极管的走线，减小寄生电感与电容。
- 将器件靠近被保护端口放置，且对地线或接地平面做低阻抗连接以获得最佳钳制效果。
- 在需要更高冲击能量吸收时，可并联或与其它防护元件（如熔断器、串联阻抗）配合使用，但并联时注意热与动态分配。
五、使用注意事项
- 钳位电压 20 V 意味着在极强的脉冲下受保护端可能仍会经历较高电压，应确认被保护器件能承受该峰值。
- 反向漏电 1 μA 在某些超低功耗系统中可能不可忽略，请结合系统功耗预算评估。
- 安装与回流焊工艺应参照厂商推荐的焊盘尺寸与温度曲线，避免因热应力影响可靠性。
UAD8C05L01 以小尺寸、低电容、符合 IEC 61000-4-2 的抗静电能力为特点，适合对信号完整性要求高且空间受限的保护场合。选型时综合考虑工作电压、钳位能力与系统耐受性，配合合理的 PCB 布局，可有效提升设备的抗静电与浪涌可靠性。
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