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TECH PUBLIC SMF5.0CA
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- TECH PUBLIC SMF5.0CA
- Type
- TECH PUBLIC
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- TECH PUBLIC
- Electronic Component
- SMF5.0CA
- Electronic Component
- 1
- Package
- SOD-123FL
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.043g
- Electronic Component
- 1
- Electronic Component
- BM0257695347
- Operating Temperature
- 55℃~+150℃
- Voltage
- 9.2V
- Current(Ir)
- 400uA
- Voltage(VBR)
- 7V
- 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.
SMF5.0CA（SOD-123FL）产品概述
一、主要特性
SMF5.0CA 是一款双向瞬态电压抑制器（TVS），用于对抗静电放电（ESD）与线路浪涌。器件支持双向工作、正向（或反向）工作电压5V（Vrwm），典型击穿电压约7V，钳位电压9.2V，能够在10/1000μs浪涌波形下承受峰值脉冲功率200W（Ppp），对应峰值脉冲电流约21.7A（Ipp）。反向静态电流典型值为400μA，工作温度范围宽（-55℃至+150℃），封装为低剖面SOD-123FL，适合空间受限应用。
二、电气性能要点
- 极性：双向（适用于交流或双向浪涌场景，无固定阳极/阴极极性）
- 反向截止电压 Vrwm：5V（在此电压下保持低漏电）
- 击穿电压 Vbr：约7V（进入限制导通区域）
- 钳位电压 Vc：9.2V（在指定脉冲条件下的最大钳位）
- 峰值脉冲电流 Ipp：21.7A（10/1000μs波形）
- 峰值脉冲功率 Ppp：200W（10/1000μs）
- 反向电流 Ir：约400μA（在Vrwm条件下）
这些参数决定了对敏感电子器件的保护能力和在发生浪涌时线路上的剩余电压水平。
三、封装与机械特性
封装：SOD-123FL，为低高度、贴片式封装，便于自动化贴装和回流焊。尺寸小，热阻较低，适用于空间受限且需靠近被保护节点布局的场合。由于为双向器件，焊盘无极性方向要求，但应按推荐的PCB焊盘图布置以保证热性能与焊接可靠性。
四、典型应用场景
- USB、HDMI、串口等接口的ESD与浪涌保护
- 电源线与供电总线的浪涌吸收（尤其是低压5V或附近）
- 工业控制设备、通信端口与消费电子防护
- 高温或严苛环境下的防雷击与瞬态抑制场合
五、设计与布局建议
- 将器件尽量靠近受保护的输入/接口端口放置，走线最短以降低感抗与钳位电压上升。
- 对地回流路径要尽量低阻、短接地平面或低阻地带，以便快速泄放能量。
- 对于双向TVS，直接并联到被保护两端（与地或与对称线对之间，视电路拓扑）即可。
- 焊接建议遵循JEDEC J-STD-020回流温度曲线以确保焊接可靠性。
六、可靠性与环境
工作温度范围广（-55℃~+150℃），适合高温环境。为保证长期可靠性，应注意焊后回流与储存湿度管理（参考器件湿敏等级）并避免超过额定脉冲能量的反复冲击。对于关键系统，建议按系统级标准（如IEC 61000 系列）验证实际防护效果。
七、选型与替代
品牌：TECH PUBLIC（台舟电子）型号SMF5.0CA，封装SOD-123FL。若需更高功率或不同钳位，可选用相近Vrwm但不同Ppp或Vc等级的TVS系列。设计时确认钳位电压和剩余电压是否满足被保护器件耐压要求，并留有足够的安全裕度。
备注：本文档基于器件典型参数给出设计与使用建议，具体应用中建议结合厂方完整Datasheet与实际测试验证以确保系统可靠性。
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