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SEMTECH RCLAMP0502BATCT
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- SEMTECH RCLAMP0502BATCT
- Type
- SEMTECH
- Unit
- Electronic Component
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- SEMTECH
- Electronic Component
- RCLAMP0502BATCT
- Electronic Component
- 1
- Package
- SC-75(SOT-523)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.029g
- Electronic Component
- 1
- Cj- Capacitor
- 0.5pF
- Electronic Component
- BM0211559224
- Voltage
- 25V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-5；IEC 61000-4-2
- Current(Ir)
- 1uA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
RCLAMP0502BATCT 产品概述
一、概述
RCLAMP0502BATCT 是 SEMTECH 提供的一款小型单向瞬态电压抑制器（TVS），采用 SC-75（SOT-523）3 引脚贴片封装，针对 5V 工作电压等级的电源与信号线提供快速、可靠的瞬态抑制。器件满足 IEC 61000-4-2、IEC 61000-4-4、IEC 61000-4-5 等工业级电磁兼容和浪涌/静电放电标准，适用于移动设备、消费电子、工业控制和通信接口等对电气快速瞬态敏感的应用场景。
二、关键电气参数
- 钳位电压（VC）：25V（在峰值脉冲条件下）
- 击穿电压（VBR）：约 6V
- 反向工作电压（Vrwm）：5V
- 峰值脉冲电流（Ipp）：5A（典型冲击波条件下）
- 反向漏电流（Ir）：≤1 μA（Vrwm 下）
- 结电容（Cj）：0.5 pF（低电容，适合高速信号线）
- 极性：单向（适用于单端电源或信号接地参照的保护）
- 类型：TVS，封装：SC-75（SOT-523）
三、主要特性与优势
- 小尺寸封装（SOT-523），节省 PCB 面积，适合高密度布局。
- 极低结电容（0.5 pF），对高速差分或单端信号影响最小，适合 USB、SATA、串口等高速接口的旁路保护。
- 快速响应与工业级兼容性，能有效抑制来自静电（ESD）、电快速瞬变（EFT）和浪涌电流的脉冲能量。
- 极低漏电流（1 μA），有利于电池供电或低功耗系统的长期待机性能。
四、典型应用场景
- 5V 电源母线保护（例如 USB、充电口）
- 接口防护：数据线、控制信号、GPIO 口等单端信号的 ESD/浪涌防护
- 便携式与可穿戴设备、物联网终端、工业仪表中对体积和电磁兼容有严格要求的保护设计
五、封装与布局建议
- 建议将 TVS 靠近需保护的连接器或 IC 引脚布置，减少走线长度以降低感性耦合。
- 对于单向器件，注意极性放置：带极性标识的一端接受保护线，另一端接地（或公共参考），以确保在正向瞬态时器件迅速导通。
- 在高速信号线附近应注意阻抗匹配与回流路径，利用地平面以降低寄生电感，提高抑制效率。
六、可靠性与选型提示
- 峰值脉冲电流 5A 为脉冲能力指标，不适用于连续过流场合；若系统需承受更大能量或长时段浪涌，应并联或选择更高能量等级的 TVS。
- 对于差分双向信号，应选择相应双向 TVS；本器件为单向，适合单端参考地的保护。
- 在严苛环境或有反复冲击的场合，需结合 PCB 散热与热循环设计，确保长期可靠性。
RCLAMP0502BATCT 提供了在极小封装下对 5V 等级系统的高效瞬态防护方案，兼顾低结电容与工业级兼容性，是便携与高密度电路保护的理想选择。
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