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LRC SODHE108-SH SODHE108
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- LRC SODHE108-SH
- Type
- SOD-123FL
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- LRC
- Electronic Component
- SODHE108-SH
- Electronic Component
- 1
- Package
- SOD-123FL
- Electronic Component
- General Purpose Diode
- Electronic Component
- 0.038g
- Electronic Component
- 1
- Electronic Component
- BM0264340434
- Current
- 1A
- Diode
- 1
- Current(Ir)
- 5uA
- (Vf)
- 1.7V@1A
- Electronic Component
- 55℃~+150℃
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SODHE108-SH 产品概述
一、产品简介
SODHE108-SH 是乐山无线电（LRC）提供的一款通用整流二极管，封装为 SOD-123FL。器件在典型工作点表现稳定可靠，主要参数包括正向压降 Vf=1.7V（@1.0A）、直流反向耐压 Vr=1kV、整流电流 I_F(AV)=1A、反向漏电 I_R≈5μA、非重复峰值浪涌电流 Ifsm=30A。该型号针对需要高耐压与中等整流能力的应用场合进行了优化。
二、主要性能亮点
- 高耐压：1kV 的反向耐压使其适用于高压电源、开关电源次级或离线电路的整流与保护。
- 中等整流能力：1A 的整流电流适合一般直流母线、小功率电源和模块化电路。
- 低反向漏电：典型反向漏电 5μA，有利于减少高压侧的静态损耗与错误触发。
- 良好浪涌承受：30A 的非重复峰值浪涌电流能承受启动或故障瞬态冲击。
- 紧凑封装：SOD-123FL 提供低剖面、贴片化的机械形式，利于自动化贴装与高密度布局。
三、典型应用场景
- 开关电源（SMPS）高压整流与钳位电路；
- 离线适配器、工业高压电源的二次侧或辅助电路；
- 开关管驱动回路和能量回收/自由轮回二极管；
- 测试与测量设备、高压点火/驱动模块等需要高 Vr 的场合。
四、使用建议与注意事项
- 散热管理：在 1A 工作点正向功耗约为 1.7W（P≈Vf×I），实际结温受 PCB 铜箔面积与热阻影响，建议在热敏元件处加宽铜皮、使用过孔导热或搭配散热结构以保证长期可靠性。
- 浪涌与保护：Ifsm 为非重复峰值，频繁的大浪涌会影响寿命。对于可能的重复冲击场合，应结合限流或吸收网络使用。
- 焊接与存储：遵循器件制造商的回流焊温度曲线与湿敏等级（MSL）要求，避免过热与长时间潮湿暴露导致焊接缺陷或元件损伤。
- 反向漏电受温度影响较大，设计时需考虑工作温度对漏电和结温的影响。
五、封装与可靠性
SOD-123FL 封装提供良好的机械强度与焊接可靠性，适合自动贴装生产流程。该封装在 PCB 上的热扩散能力有限，需通过合理布线与热过孔设计来提升散热性能。LRC 的元件通常通过标准可靠性测试（如温度循环、潮湿热阻等），在工业级应用中表现稳定，具体认证与寿命数据请参照厂家详细资料与检验报告。
六、选型提示
选择 SODHE108-SH 时，除了核对 Vf、Vr、Ifsm 等电气参数，还应根据实际工作温度、平均功率、冲击频率及 PCB 散热条件评估结温与寿命。如需更低正向压降或更高平均电流，请考虑更大封装或肖特基类型；如需更快恢复特性，应确认反向恢复时间或选择专用快恢复/肖特基器件。
总结：SODHE108-SH 为一款兼顾高耐压与通用整流能力的 SMD 二极管，适合在高压、小体积、自动化装配场景中作为可靠的整流与保护元件。若需更详尽的试验条件、曲线或封装尺寸，请参考 LRC 官方数据手册。
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