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FUXINSEMI SD103AWS
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- FUXINSEMI SD103AWS
- Type
- FUXINSEMI
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- FUXINSEMI
- Electronic Component
- SD103AWS
- Electronic Component
- 1
- Package
- SOD-323(SC-90)
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.028g
- Electronic Component
- 1
- Electronic Component
- BM0265133033
- Current
- 350mA
- Diode
- 1
- Current(Ir)
- 5uA
- (Vf)
- 600mV@200mA
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Voltage Rating(Vr)
- 40V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SD103AWS 产品概述
一、产品简介
SD103AWS 是富芯森美（FUXINSEMI）推出的一款小型肖特基整流二极管，封装为 SOD-323（SC-90），适用于对正向压降和开关速度有较高要求的低功率电源和信号整流场合。器件结构为独立式单颗二极管，工艺侧重低压降与低反向泄漏。
二、主要性能参数
- 型号：SD103AWS（FUXINSEMI）
- 封装：SOD-323 (SC-90)
- 正向压降：Vf = 600 mV @ IF = 200 mA
- 直流反向耐压：Vr = 40 V
- 最大整流电流：IF(AV) = 350 mA
- 反向电流：IR = 5 μA（典型/测试条件见厂方资料）
- 非重复峰值冲击电流：IFSM = 13 A（脉冲冲击能力）
三、关键特性与优点
- 低正向压降：在中等电流（200 mA）下 Vf≈0.6 V，可有效降低整流损耗，适合电池供电或效率敏感的电路。
- 低反向泄漏：IR≈5 μA，有利于待机功耗控制和高阻抗节点保护。
- 小型封装：SOD-323 尺寸紧凑，利于高密度 PCB 布局，且寄生电容、寄生电感小，适合高速开关场合。
- 抗浪涌能力：13 A 的峰值冲击电流能承受短时启动或浪涌事件（需遵循脉冲宽度与频次限制）。
四、典型应用
- 开关电源与降压转换器的自由轮回或整流元件（中低电流）
- 电源反向保护、供电路径 ORing
- 快速信号整流与钳位电路
- 便携设备、电池管理与低功耗电子产品的整流与保护
五、封装与使用建议
SOD-323 为热阻较高的小型封装，长时间持续大电流使用时需注意热量管理。建议：
- 参考厂家推荐的 PCB 焊盘与回流焊曲线进行贴装；
- 若长期接近 IF(AV) 上限，应增加铜箔散热或降低工作负载；
- 对于频繁浪涌场合，确认脉冲能量、频率及封装温升，必要时选用更大封装或并联方案。
- 存储与装配时注意防静电和湿敏等级（参见厂方包装信息）。
六、注意事项与可靠性
- 反向电压 40 V，请在应用中留有安全余量以防过压或瞬态击穿；
- 反向泄漏随温度上升会显著增加，需在高温工况下评估漏电对系统的影响；
- 出厂参数如 Vf、IR 在不同测试条件（温度、电流、脉宽）下会变化，最终设计应以厂商完整数据手册为准并做实际测试验证。
七、结论
SD103AWS 是一款面向中低功率、追求低压降和小尺寸封装的肖特基二极管，适用于便携电源、信号整流和保护电路。其 600 mV@200 mA 的低 Vf、40 V 的耐压与 5 μA 的低漏电，结合 SOD-323 的体积优势，使其在空间受限且需要提高效率的场合具有良好性价比。选型时请参考完整数据手册，并根据实际热条件与浪涌要求进行验证与留有余量。
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