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Jingdao Microelectronics B0520WS
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Electronic B0520WS
- Type
- Jingdao Microelectronics
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic
- Electronic Component
- B0520WS
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.028g
- Electronic Component
- 1
- Electronic Component
- BM0229356797
- Current
- 500mA
- Diode
- Electronic Component
- Current(Ir)
- 250uA@20V
- (Vf)
- 390mV@500mA
- Electronic Component
- 55℃~+125℃
- 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.
B0520WS 产品概述
一、产品简介
B0520WS 是晶导微电子出品的一款独立式肖特基（Schottky）二极管，封装为 SOD-323。该器件以低正向压降和紧凑体积为特点，专为需降低导通损耗、提升效率的低电压、小电流应用场景设计。典型参数表明在 500mA 工作电流下正向压降仅约 390mV，适合便携设备和电源管理中的低损耗整流与保护用途。
二、主要电气参数
- 正向压降 Vf：390 mV @ IF = 500 mA
- 直流反向耐压 Vr：20 V
- 最大整流电流 IF（连续）：500 mA
- 反向漏电流 IR：250 μA @ VR = 20 V
- 工作结温范围：-55℃ ～ +125℃
- 非重复峰值浪涌电流 IFSM：22 A
三、核心特性与优势
- 低正向压降：降低功耗和发热，提升电源效率，尤其在低压差应用中优势明显。
- 快速响应：肖特基结构具备极低的反向恢复时间，适合高频整流与开关电源的自由轮回路径。
- 紧凑封装：SOD-323 小体积方便在空间受限的 PCB 上布局，适合小型化产品。
- 宽温度范围：-55℃ 至 +125℃ 的结温适应工业级环境。
- 良好的浪涌能力：22A 的峰值冲击能力能承受短时突发电流。
四、典型应用场景
- 便携式电源与移动设备的低压整流与反向保护；
- DC-DC 降压/升压转换器的输出整流与回路保护；
- 电池管理与充放电路径中的方向控制与防反接；
- LED 驱动、传感器电路及一般低电流电源轨保护；
- 高频开关电源和混合信号电路中的快速整流。
五、封装与可靠性要点
SOD-323 为常见的表面贴装封装，适合自动化贴装工艺。由于封装体积小，器件的散热能力受限，长期满载工作时需关注 PCB 热管理与周围器件热源。器件本身在工业温度范围内可长期工作，但建议在靠近额定极限时采取适当降额策略以延长寿命。
六、使用建议与注意事项
- 在接近 500mA 连续工作或高环境温下，应进行热仿真与实际测量，必要时采用过热保护或分流策略；
- 对于需极低反向漏电的应用（如高阻输入或计量电路），应评估 250 μA 的 IR 是否满足系统要求；
- 采用标准回流焊工艺时，请参照制造商数据手册中的温度曲线与焊接指南以防封装损伤；
- 布局时确保良好的热路径，若条件允许可在铜箔处增加散热面积。
七、选型总结
B0520WS 适合追求低压降、体积小且工作电流在数百毫安量级的设计场景。其 20V 的反向耐压范围覆盖多数低压电源与保护用途；若应用需要更高耐压或更低漏电，可考虑同系列或替代产品进行比较。总体而言，B0520WS 在效率、响应速度与空间利用上具有明显优势，适合移动与工业类低功耗电路的整流与保护需求。
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