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SHIKUES B0520W
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- SHIKUES B0520W
- Type
- SHIKUES
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SHIKUES
- Electronic Component
- B0520W
- Electronic Component
- 1
- Package
- SOD-123
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.035g
- Electronic Component
- 1
- Electronic Component
- BM0257628044
- Current
- 500mA
- Diode
- Electronic Component
- Current(Ir)
- 75uA@10V
- (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.
B0520W 产品概述
一、产品简介
B0520W 是 SHIKUES（时科）推出的一款独立式肖特基二极管，采用 SOD-123 小型封装，专为低压、低压降整流及开关保护设计。器件在 500mA 工作电流下典型正向压降仅为 390mV，适用于对正向压降和开关速率有较高要求的便携电源与保护电路。
二、主要特性
- 独立式肖特基二极管，SOD-123 封装，体积小、占板面积低。
- 低正向压降：Vf = 390mV @ IF = 500mA，降低功率损耗和发热。
- 工作电流：整流电流 500mA（DC）。
- 反向耐压：Vr = 20V，适合低压应用场景。
- 低漏电流：Ir = 75μA @ 10V，利于待机功耗控制。
- 抗浪涌能力：非重复峰值浪涌电流 Ifsm = 5.5A（短时冲击），可承受瞬态电流冲击。
- 工作结温范围：-55℃ 至 +125℃。
三、典型电气参数（概览）
- 正向压降 Vf：≈390mV（500mA）
- 反向耐压 Vr：20V
- 最大整流电流：500mA（DC）
- 反向电流 Ir：75μA（在 10V）
- 非重复峰值浪涌电流 Ifsm：5.5A
- 工作结温：-55℃～+125℃
四、典型应用场景
- 便携式设备的整流与电源路径（如充电器、小型 DC-DC 模块）
- 反向极性保护与防反接电路
- 快速恢复/钳位用途，如开关电源的二次侧整流或续流二极管
- 低压差稳压和功率管理电路，要求低正向压降以提高效率
五、热管理与可靠性建议
SOD-123 封装体积小，散热能力有限。建议在 PCB 设计时：
- 在二极管热焊盘下增加铜箔面积并适当布置热过孔（如果可行）以提升散热。
- 当连续工作在高电流或高环境温度下，应按经验进行电流降额（derating），避免长期满载运行。
- 注意结温不超过 +125℃ 的限制，长期高温会加速参数漂移和失效。
六、布局与焊接建议
- 极性标识清晰：SOD-123 常见有阴极带标记，安装时确认极性方向。
- 遵循无铅回流焊工艺及制造商的焊接规范，避免超出推荐的回流温度和停留时间。
- 焊盘设计尽量短且宽，以缩短热路径，减少导线电阻和接触电阻。
七、使用注意事项
- 虽具备短时浪涌承受能力，设计时仍应避免频繁大电流冲击。
- 在高反向电压和高温条件下，漏电流会随之上升，影响低功耗电路的待机性能。
- 若需要更高反向电压或更大电流能力，应选用额定更高的型号。
八、采购信息
型号：B0520W
品牌：SHIKUES（时科）
封装：SOD-123
建议在下单前确认供应商提供的完整数据手册与可靠性报告，以便获取详细的封装尺寸、焊接曲线和环境试验数据。
如需我提供封装尺寸图、引脚标识或针对某一具体电路的选型建议，可告知应用场景和工作条件，我会给出更精确的设计建议。
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