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CJ B0530W
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- CJ B0530W
- Type
- CJ
- Minimum package
- 3000 编带
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- CJ
- Electronic Component
- B0530W
- Electronic Component
- 1
- Package
- SOD-123
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.033g
- Electronic Component
- 1
- Electronic Component
- BM0228272809
- Current
- 500mA
- Diode
- 1
- Current(Ir)
- 130uA@30V
- (Vf)
- 430mV@500mA
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- 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.
B0530W 产品概述
一、产品简介
B0530W 是CJ（江苏长电/长晶）出品的一款肖特基整流二极管，采用SOD-123 小型表贴封装，面向空间受限且要求低压降、高效率的整流应用。主要电气参数：正向压降 Vf = 0.43V @ 500mA，平均整流电流 IF(av) = 500mA，直流反向耐压 Vr = 30V，反向电流 Ir = 130µA @ 30V，非重复峰值浪涌电流 Ifsm = 5.5A（一次性峰值）。
二、主要特点
- 低正向压降：0.43V（@500mA），在低电压差或低功耗场景可显著降低功耗与发热。
- 低能量损耗与高效率：肖特基结构减少能量损耗，提升整流效率。
- 良好的浪涌承受能力：5.5A 的非重复峰值浪涌电流，适用于瞬态充放电与短时启动冲击。
- 小型封装：SOD-123 适合高密度贴装，利于消费电子与便携设备的体积控制。
- 可靠的反向耐压与漏电控制：30V 反向耐压与 130µA 的反向电流，在中等偏压应用中表现稳定。
三、典型应用场景
- 充电器与适配器的次级整流或保护二极管。
- USB/移动电源、便携式通信设备的电源路径与反向保护。
- 开关电源输出整流、小功率电源模块。
- 二次侧回路、阻断反向电流的保护电路。
四、封装与热管理
SOD-123 为小型塑封表贴封装，适合回流焊工艺。尽管器件额定整流电流为 500mA，实际应用应注意封装热阻和PCB散热设计：
- 在高平均电流或连续工作时应采用较大铜箔散热，增加焊盘面积以降低结温。
- 考虑环境温度对正向压降和反向泄露的影响，必要时按降额使用。
五、设计与选型建议
- 若工作电流接近额定值，建议留有余量并进行热仿真。
- 对于脉冲性大电流场合，应验证峰值 Ifsm 是否满足实际浪涌能量与波形要求。
- 当反向电压接近 30V 时，注意反向漏电随温度上升而增加，影响能耗与热稳定性。
- 对需更高耐压或更低漏电的场合，可考虑更高Vr或更低Ir 的替代型号。
六、可靠性与存储
遵循常规无铅回流焊工艺规范进行贴装，避免超温超时焊接，存储时防潮包装（MSL）建议按厂家说明执行，长期高温高湿环境会加速封装和电性能退化。
七、总结
B0530W 以其低正向压降、适中的耐压与良好的浪涌能力，适合各类小功率整流与保护用途。对于追求体积小、效率高的便携电源与消费类产品，是一种性价比高的选择。选型时应综合考虑散热、工作温度与实际电流波形，确保长期可靠运行。
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