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KUU SS56
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- KUU SS56
- Type
- KUU
- Minimum package
- 5000 编带
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- KUU
- Electronic Component
- SS56
- Electronic Component
- 1
- Package
- SMA
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.349g
- Electronic Component
- 1
- Electronic Component
- BM0264873495
- Current
- 5A
- Diode
- Electronic Component
- Current(Ir)
- 500uA@60V
- (Vf)
- 700mV@5A
- Electronic Component
- 50℃~+150℃
- Electronic Component
- Electronic Component
- Electronic Component
- 5000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SS56 产品概述
一、产品简介
SS56 是 KUU 品牌的一款独立式肖特基整流二极管，封装为 SMA，面向中功率整流与保护应用。该器件在 5A 工作电流点的正向压降为 0.7V，具有较高的浪涌承受能力（非重复峰值浪涌电流 Ifsm = 150A），并在最高反向电压 60V 下保持工作稳定，是一款性价比较高的通用肖特基整流二极管。
二、主要参数
- 二极管类型：肖特基（独立式）
- 正向压降（Vf）：0.7V @ 5A
- 直流反向耐压（Vr）：60V
- 平均整流电流：5A
- 反向漏电流（Ir）：500µA @ 60V
- 非重复峰值浪涌电流（Ifsm）：150A
- 工作结温范围：-50℃ ~ +150℃
- 品牌：KUU
- 封装：SMA
三、器件优势
- 低正向压降：在 5A 工作点 Vf = 0.7V，可降低整流损耗、提高效率，适合需要较低损耗的电源线路。
- 快速响应：肖特基结构无显著反向恢复特性，适合开关电源与快速切换场合，能有效抑制开关损耗与噪声。
- 高浪涌能力：Ifsm = 150A，能承受电源开机或短时过载产生的冲击电流，提高系统鲁棒性。
- 宽温度范围：-50℃ 至 +150℃ 的结温适用性，适应工业级环境要求。
- 封装便捷：SMA 表面贴装形式，便于自动化贴装和小型化电路设计。
四、典型应用场景
- 开关电源（SMPS）输出整流或续流二极管
- DC-DC 降压/升压转换器中的整流与保护
- 逆接保护、电池充放电方向控制与 OR-ing 电路
- 适配器、充电器、LED 驱动（在电压和热条件允许下）
- 汽车电子 12V/24V 辅助电路（需注意最高 60V 的反向耐压限制）
五、封装与热管理建议
- SMA 封装热阻较金属封装高，5A 连续整流时需关注 PCB 散热：建议增大铜箔面积、使用散热过孔并靠近散热边缘布局。
- 在高环境温度或连续高电流工况下，应预留电流降额裕度，避免长时间靠近结温上限。
- 反向漏电流随温度上升显著增加，工作在高温、高压点时需评估泄漏对系统的影响。
六、使用注意事项
- 反向电压不得超过 60V；长期接近额定 Vr 或在高温下工作会导致漏电流增加。
- 在高浪涌场合，注意 Ifsm 与实际波形（半波整流或脉冲宽度）匹配，必要时增加浪涌吸收元件。
- 推荐在设计阶段参考实际 PCB 环境进行热仿真与试验验证，以确定安全的持续电流与降额方案。
七、结论
KUU SS56（SMA 封装）是一款面向中功率应用的肖特基整流二极管，具备低正向压降（0.7V@5A）、高浪涌承受能力（150A）及工业级的工作温度范围，适合开关电源整流、续流保护与一般整流场合。合理的 PCB 散热与温度管理是其在高电流应用中获得长期可靠性的关键。若用于关键或高温场景，建议在样机阶段进行充分的热与电气测试验证。
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