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UMW SDT23C05L02
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- UMW SDT23C05L02
- Type
- UMW
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- UMW
- Electronic Component
- SDT23C05L02
- Electronic Component
- 1
- Package
- SOT-23(TO-236)
- Electronic Component
- Electronic Component
- Type
- ESD
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.033g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 150pF
- Electronic Component
- BM0264601585
- Voltage
- 18V
- Electronic Component
- IEC 61000-4-2
- Current(Ir)
- 5uA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SDT23C05L02 产品概述
一、主要特性
SDT23C05L02 是友台半导体（UMW）推出的双路双向静电放电（ESD）保护器件，专为 5V 及以下电压等级的接口和电源线路提供瞬态浪涌保护。器件在 8/20μs 冲击波形下可承受峰值脉冲功率 350W，钳位电压约为 18V，反向截止电压（Vrwm）为 5V，静态反向漏电流仅 5μA，结电容约 150pF，符合 IEC 61000-4-2 静电放电防护要求。封装为常见的 SOT-23（TO-236），便于自动贴装与空间受限应用。
二、关键性能参数
- 极性：双向，能在正、负方向对信号线进行钳位保护，无需外加偏置二极管。
- Vrwm（工作反向电压）：5V，适配常见 5V 数字接口与电源轨。
- 钳位电压：18V（典型值），在冲击时将突波限制在安全电压范围内。
- 峰值脉冲功率：350W @ 8/20μs，提供良好的能量吸收能力。
- 反向电流 Ir：5μA（常温下），低漏电有利于节省静态功耗。
- 结电容 Cj：150pF，适合电源线或低速信号线的保护设计。
- 通道数：双路，单芯片可保护两路独立信号。
- 防护等级：符合 IEC 61000-4-2 标准（静电放电防护）。
三、典型应用场景
适用于各种需抗静电与瞬态浪涌的场合，包括但不限于：
- 5V 电源轨、通用 GPIO、按键与接口保护；
- 工业控制、家电与白色家电的低速信号线；
- 充电口与电源输入的次级保护（需配合主浪涌抑制措施）；
注意：由于结电容为 150pF，不建议用于对带宽和信号完整性敏感的高速差分信号（如 USB3.0、HDMI 等）。
四、封装与机械特性
器件采用 SOT-23（TO-236）小封装，支持表面贴装工艺，适合自动化生产与空间受限的 PCB 布局。标准封装利于与常见连接器和滤波网络一起布置，具体引脚定义与封装尺寸请参照官方数据手册。
五、PCB 布局与使用建议
- 将器件靠近需保护的接口或连接点放置，缩短走线长度以降低感抗与环路面积；
- 保护器地端应通过多盏短直通孔（vias）可靠接入系统地平面，减少回流阻抗；
- 对于电源输入，建议与串联抑制器件（如熔丝、限流电阻）或滤波网络配合使用，以分担能量；
- 在高速或敏感信号线上，若需更低电容方案，应选用结电容更低的专用高速 ESD 器件。
六、合规性与测试
SDT23C05L02 设计以满足 IEC 61000-4-2 静电放电测试要求，可抵抗常见的人体接触与空气放电事件。在产品设计验证阶段，建议对最终样机进行完整的系统级 ESD 与浪涌测试，验证钳位电压、能量吸收能力及对相邻电路的影响，确保在目标应用环境中达到预期的可靠性与寿命。
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