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ElecSuper SM712-ES SM712
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Elec Super SM712-ES
- Type
- ELECSUPER
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ELECSUPER
- Electronic Component
- SM712-ES
- Electronic Component
- 1
- Package
- SOT-23
- 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
- Electronic Component
- BM0226338688
- Voltage
- 19V；26V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 7.5V；13.3V
- 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.
SM712-ES 产品概述
一、产品简介
SM712-ES 为 ElecSuper（静芯微）推出的双路双向 ESD 保护器件，采用 SOT-23 封装，专为对敏感差分信号或两路独立信号线提供高效浪涌与静电放电（ESD）保护而设计。器件响应速度快、漏电小，适合消费类电子、通信接口与工业控制等应用场景。
二、主要参数
- 极性：双向（对称钳位，适合差分线或双向信号）
- 通道数：双路
- 反向截止电压 (Vrwm)：12V；7V（两通道或两种等级标称值）
- 击穿/触发电压 (Vbr)：7.5V；13.3V
- 钳位电压 (Vcl)：19V；26V（峰值钳位，保护期间的最大电压）
- 峰值脉冲电流 (Ipp)：17A（峰值脉冲能力，常用于 8/20μs 波形参考）
- 反向电流 (Ir)：≤1 μA（在 Vrwm 条件下的漏电流）
- 类型：ESD 保护器件
- 封装：SOT-23
三、特点与优势
- 双路双向设计，可同时保护两根信号线或一对差分线，节省 PCB 空间并降低成本。
- 低反向电流（≤1 μA），对待保护电路几乎无静态功耗影响，适合低功耗系统。
- 良好的峰值脉冲吸收能力（Ipp 17A），在遭受短时浪涌和静电放电时能有效钳位并保护下游器件。
- SOT-23 小封装，便于自动贴装与高密度布线。
四、封装与布局建议
- 封装：SOT-23（3 引脚常见形式），占板面积小，适合紧凑设计。
- 布局建议：器件应尽量靠近接口或外部连接处放置，走线短且粗以降低寄生电感；保护器两个端子与地/对称线之间的回流路径应尽量短直，避免环路面积增大；若为差分线保护，保证对称布局，以免影响差分特性。
五、典型应用场景
- USB、RS-485、CAN、HDMI 等差分或双向数据接口的输入端保护。
- 手机、平板、消费电子与便携设备中对接口的静电防护。
- 工业控制与仪表中，对传感器或通讯端口的浪涌与静电抑制。
六、使用与选型建议
- 根据实际工作电压选择 Vrwm 等级，若系统实测工作电压接近 5~12V，应选用对应 Vrwm 值以避免误触发。
- 对于高能量浪涌环境（如工业现场、户外接口），可考虑并联更高能量吸收器件或在前级加入限流元件以分担能量。
- 注意钳位电压（Vcl）数值，应保证在器件保护能力范围内不会超过被保护元件承受的最高电压。
七、可靠性与注意事项
- 操作环境温度与焊接工艺应符合器件说明书要求，避免超温导致性能退化。
- 长期工作在高漏电流或高频切换环境下，应做充分热分析与应力验证。
- 出于安全与稳定性考虑，设计时建议参考厂商完整数据手册与典型浪涌试验条件（如脉冲波形、重复次数等）。
如需更详细的引脚定义、典型电路示意图或实际波形测试数据，可提供器件数据手册索取或告知具体应用场景以便给出更针对性的建议。
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