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LRC LRB521BS-30T5G LRB521BS
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- LRC LRB521BS-30T5G
- Type
- LRC
- Minimum package
- 10000 编带
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- LRC
- Electronic Component
- LRB521BS-30T5G
- Electronic Component
- 1
- Package
- SOD-882
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.008g
- Electronic Component
- 1
- Electronic Component
- BM0228535750
- Current
- 200mA
- Diode
- 1
- Current(Ir)
- 30uA
- (Vf)
- 350mV
- Electronic Component
- Electronic Component
- Electronic Component
- 10000
- Voltage Rating(Vr)
- 30V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
LRB521BS-30T5G 产品概述
一、概述
LRB521BS-30T5G 是乐山无线电（LRC）推出的一款小封装肖特基二极管，型号面向低压、高效率整流与保护场合。器件典型正向压降仅 350mV，直流反向耐压 30V，整流电流额定 200mA，反向漏电流仅 30µA，非重复峰值浪涌电流 500mA，封装为 SOD-882。凭借低压降与低泄漏的特性，该器件适用于便携式电源、功率管理与信号保护等多种场景。
二、主要特点
- 低正向压降：Vf≈350mV（典型值），在低电压系统中可显著降低功耗与发热。
- 低反向漏电：Ir≈30µA，适合对静态电流敏感的电池供电与待机电路。
- 中等整流能力：连续整流电流 200mA，满足多数信号级与小功率电源需求。
- 良好浪涌承受：Ifsm 500mA，可应对短时启动或浪涌状况。
- 紧凑封装：SOD-882 小体积，有利于高密度贴片设计与空间受限的应用。
三、典型应用场景
- 移动设备与便携电源的正负极保护、极性反接保护。
- 开关电源与稳压模块中的反并联整流或回流保护。
- 信号线路的极性保护与钳位电路。
- 太阳能小型电源、背光驱动与低压DC-DC前端保护。
四、使用与布板建议
- 整流电流 200mA 为器件长期工作参考值，实际布局应考虑铜箔宽度与散热路径，必要时在器件附近增加散热铜皮或过孔。
- 避免长时间接近 Ifsm 标称值的冲击，应在系统层面限制浪涌电流或增加外部保护器件。
- 在并联或多二极管共用散热时注意均流与布局一致性。
- PCB 布局时将焊盘与走线尽量靠近器件引脚以减少寄生阻抗与热阻。
五、焊接与可靠性注意事项
- SOD-882 封装适用于常规回流焊工艺，请参照制造商提供的焊接指南和回流曲线进行操作。
- 器件对静电敏感，布署与装配时应采取 ESD 防护措施。
- 储存与贴装前应避免潮湿吸收，若暴露于潮湿环境建议进行烘烤处理按厂方建议恢复。
六、选型建议与替代方案
- 若系统电流或浪涌更高，应选用更大封装或更高额定电流的肖特基器件。
- 若工作电压超过 30V，应选用更高 Vr 的型号以保证可靠性。
- 对漏电极低要求更高的场合，可考虑专门的低漏型肖特基器件。
- 最终选型与可靠性验证请以 LRC 官方数据手册为准，并在目标应用中进行实际评估与测试。
如需器件的完整电气特性曲线、封装尺寸或焊接工艺参数，建议参考 LRC 官方数据手册或联系供应商获取详细资料。
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