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HXY MOSFET SMF12CA
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- HXY MOSFET SMF12CA
- Type
- HXY MOSFET
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- HXY MOSFET
- Electronic Component
- SMF12CA
- Electronic Component
- 1
- Package
- SOD-123FL
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.04g
- Electronic Component
- 1
- Electronic Component
- BM0258661873
- Operating Temperature
- 65℃~+150℃
- Voltage
- 19.9V
- Current(Ir)
- 2.5uA
- Voltage(VBR)
- 13.3V；14.7V
- 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.
SMF12CA 产品概述
一、产品简介
SMF12CA 是华轩阳电子（HXY MOSFET）推出的一款双向瞬态电压抑制器（TVS），专为12V工况的浪涌保护设计。该器件采用小型 SOD-123FL 封装，体积小、响应快，能够在瞬态过压事件中对电路进行钳位保护，适用于汽车电子、通信接口、电源模块及工业控制等对瞬态浪涌敏感的场合。
二、主要参数
- 极性：双向（双向对称抑制）
- 额定反向截止电压 Vrwm：12 V
- 击穿电压（典型范围）：13.3 V ~ 14.7 V
- 钳位电压（Ipp 条件下）：19.9 V
- 峰值脉冲电流 Ipp：10.1 A
- 峰值脉冲功率 Ppp：200 W（按厂商测试条件）
- 反向漏电流 Ir：2.5 μA（在 Vrwm 条件下）
- 工作温度范围：-65 ℃ 至 +150 ℃
- 封装：SOD-123FL
三、主要特性与优势
- 双向保护：可在正负极性瞬变下均提供对称抑制，适用于交流或线路反接场景。
- 高效钳位：在10.1A 峰值脉冲下，钳位电压保持在约19.9V，能有效限制后级电路承受电压。
- 低漏流：在正常工作电压下漏电仅为微安级，降低待机功耗与热耗散。
- 宽温度特性：支持-65℃ 至 +150℃ 的高可靠性工作环境，适合苛刻工业或汽车应用。
- 紧凑封装：SOD-123FL 便于高密度 PCB 布局与自动化贴装。
四、典型应用场景
- 汽车电气系统的 12V 总线保护（辅助电源、传感器线路）。
- 通信接口（如串口、CAN、RS-485）的浪涌防护。
- 电源模块的输入/输出端口、稳压器前端的浪涌缓冲。
- 工业控制设备、仪器仪表及消费电子的瞬态浪涌防护。
五、使用建议与注意事项
- 布局：将 TVS 器件尽量靠近受保护的端口或连接器，缩短引线与走线，减小寄生电感以提升响应速度与钳位效果。
- 与熔断器/电阻配合：在高能量冲击场合建议与适当额定的熔断器或限流电阻配合使用，以防器件在超额能量下损坏。
- 温升与散热：虽然封装小巧，但在重复浪涌条件下会产生热量，应评估环境温度和冲击频次，必要时改善散热或选择更高功率等级的器件。
- 焊接工艺：遵循厂商推荐的贴片回流曲线和 ESD 防护措施，避免超温或静电损坏。
- 参数验证：在关键应用中建议在目标系统上进行实际脉冲测试以验证钳位和耐受能力。
六、可靠性与合规
SMF12CA 提供宽温工作范围与低漏流特性，符合瞬态抑制二极管的一般可靠性期望。具体的可靠性测试报告、认证与典型波形（如 8/20μs、10/1000μs）请参阅华轩阳电子出厂资料或向供应商索取详细数据表。
七、封装与订购信息
封装为 SOD-123FL，适合自动贴装。订购时请确认型号完整性（SMF12CA）与批次、供货渠道，以获得完整的品质保证与技术支持。
如需器件原理图建议、参考布板示意或与特定系统兼容性的进一步验证，可提供电路参数与应用环境，我方可协助给出更具体的设计建议。
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