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BORN B0520W
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BORN B0520W
- Type
- BORN
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BORN
- Electronic Component
- B0520W
- Electronic Component
- 1
- Package
- SOD-123
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.032g
- Electronic Component
- 1
- Electronic Component
- BM0264595477
- Current
- 500mA
- Diode
- 1
- Current(Ir)
- 250uA@20V
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Voltage Rating(Vr)
- 20V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
B0520W 产品概述
一、产品简介
B0520W 是 BORN（伯恩半导体）推出的一款单个独立式整流二极管，采用 SOD-123 塑料封装，外壳为模塑塑料，极性由封装上的色带标示阴极。该器件属于低正向压降方案，适用于对效率和体积有较高要求的小功率整流和保护场景。
二、主要规格参数
- 二极管配置：1 个独立式
- 正向压降：Vf = 385 mV @ If = 0.5 A
- 直流反向耐压：Vr = 20 V
- 额定整流电流：Io = 500 mA（直流）
- 反向漏电流：Ir = 250 μA @ Vr = 20 V
- 非重复峰值浪涌电流：Ifsm = 5.5 A（一次性浪涌）
- 封装：SOD-123（塑料）
- 极性标识：色带为阴极标记
三、主要特点与优势
- 低正向压降：典型 Vf 仅 0.385 V（0.5 A），在整流与电源路径中可显著降低功耗和发热，有利于提升转换效率和延长电池寿命。
- 紧凑封装：SOD-123 小型封装适合空间受限的消费电子、便携设备与模块化电源设计。
- 良好的耐浪涌能力：5.5 A 的单次峰值浪涌电流能力，可应对短时通电突变或启动浪涌。
- 成本与通用性：作为通用整流/保护器件，在中低压、低至中等电流场景中具有较好性价比。
四、典型应用场景
- 开关电源输出整流、小功率 DC-DC 模块
- 电池供电设备的反向保护与防反接电路
- LED 驱动与指示电路的整流与保护
- 便携式充电器、适配器以及消费电子内部的通用整流或钳位保护
五、封装与安装注意
- 封装：SOD-123，适用于自动化贴装与回流焊工艺。
- 极性辨别：封装色带为阴极，请在布板与布局时明确标注以避免反向安装。
- 焊接建议：遵循制造商回流曲线进行焊接，避免过高温度或长时间热暴露以保护封装和内芯件性能。
- 热管理：尽管器件为塑料封装，长期接近 500 mA 连续工作时需注意 PCB 导热与周边元件散热，适当留出铜箔面积以降低结温。
六、使用提示与可靠性考虑
- 反向漏电随温度上升而增加，若在高温或高反向电压场合使用，应评估漏电对系统的影响。
- 在连续大电流或高环境温度下，建议进行电流降额（derating）以延长寿命并降低失效风险。
- 如需更高反向耐压或更低漏电的方案，可考虑不同型号或更高 Vr 规格的肖特基/整流二极管。
- 浪涌能力有限，若系统可能遭受频繁或更大幅度的浪涌，应在前端增加浪涌抑制器或选择更高 Ifsm 的器件。
七、总结
B0520W 是一款面向中低压、低功耗整流与保护场景的单体二极管，凭借低正向压降与小型 SOD-123 封装，适合用于便携设备和空间受限的电源路径。设计时需关注散热与反向漏电随温度的变化，合理进行电流和温度降额，以发挥其最佳性能与可靠性。若需更详细的电气特性曲线与回流焊工艺规范，请参考 BORN（伯恩半导体）提供的完整数据手册。
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