Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
MCC SMF12CA-TP SMF12CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MCC SMF12CA-TP
- Type
- MCC
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MCC
- Electronic Component
- SMF12CA-TP
- Electronic Component
- 1
- Package
- SOD-123FL
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.306g
- Electronic Component
- 1
- Electronic Component
- BM0259785621
- Operating Temperature
- 65℃~+175℃
- Voltage
- 19.9V
- Current(Ir)
- 2.5uA
- Voltage(VBR)
- 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.
SMF12CA-TP 产品概述
一、概述
SMF12CA-TP 是美微科（MCC）出品的一款高能量瞬态抑制二极管（TVS），采用 SOD-123FL 小型封装，针对瞬态浪涌和静电放电（ESD）提供可靠的双向保护。器件在 10/1000µs 冲击条件下可承受 200W 峰值脉冲功率，适合在受限空间内实现对数据线、电源线和接口的过电压保护。
二、主要参数
- 极性：双向（Bidirectional）
- 反向工作电压 Vrwm：12V
- 击穿电压（典型）：13.3V
- 钳位电压（Ipp 时）：19.9V
- 峰值脉冲电流 Ipp：10.1A（对应 200W@10/1000µs）
- 峰值脉冲功率 Ppp：200W（10/1000µs 为参考波形）
- 反向漏电流 Ir：2.5µA（典型）
- 工作温度范围：-65℃ ~ +175℃
- 封装：SOD-123FL
- 类型：TVS（瞬态电压抑制器）
三、性能特点
- 大能量吸收能力：在标准 10/1000µs 浪涌下可提供高达 200W 的瞬态功率吸收，适用于雷击感应和电源浪涌防护。
- 精确钳位：19.9V 的钳位电压在发生浪涌时能有效限制电压尖峰，保护下游元件免受过压损害。
- 低漏电流：典型反向漏电流 2.5µA，适合对待机功耗敏感的电路。
- 宽温度范围：-65℃ 至 +175℃ 的工作温度覆盖工业和车载应用环境需求。
- 小型封装：SOD-123FL 有利于高密度 PCB 布局与自动化贴装。
四、典型应用场景
- 通信接口（RS-485、RS-232、CAN 等）和差分信号线保护
- 电源输入端的浪涌与反向击穿保护
- 工业控制设备、仪表和传感器的电磁脉冲/雷击防护
- 汽车电子或严苛环境下的局域防护（需结合系统级验证）
五、封装与布局建议
- 优先采用靠近需保护器件或输入端的方式贴片放置，以缩短寄生感抗、提升响应速度。
- 保持焊盘与走线最短、最宽以利热量散发，并避免将敏感信号线环绕 TVS 元件。
- 对高能量脉冲路径使用大铜厚或敷铜区域，必要时增加过孔以增强散热。
- 采用适当的丝印或标识，便于维修和替换。
六、可靠性与注意事项
- 器件为双向 TVS，不适用于严格单向整流场合；选型前确认线路特性。
- 虽能承受高能冲击，但多次大能量冲击可能降低器件性能，关键设备应考虑冗余或分级保护。
- 贴装与测试时注意 ESD 防护和焊接温度曲线，避免超温导致封装或硅片损伤。
- 在极端应用（如车规）中，建议结合系统测试验证长期可靠性。
七、采购与封装信息
型号：SMF12CA-TP；品牌：MCC（美微科）；封装：SOD-123FL。具体订购编码、最小包装量与推荐回流焊曲线请参照厂商完整数据手册与销售资料，以确保与工艺兼容。
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