WMSIC Electronic Components

CBI RB520S-30 RB520S

ModelRB520S-30
PackageSOD-523
BrandCBI
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
CBI RB520S-30
Type
CBI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CBI
Electronic Component
RB520S-30
Electronic Component
1
Package
SOD-523
Electronic Component
Schottky Diode
Electronic Component
0.025g
Electronic Component
1
Electronic Component
BM0229963303
Current
200mA
Diode
Electronic Component
Current(Ir)
1uA@10V
(Vf)
600mV@200mA
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.

RB520S-30 产品概述

一、产品简介

RB520S-30(品牌:CBI/创基)是一款独立式肖特基二极管,采用超小型封装SOD-523,面向便携、密集布局的电子产品。该器件在200mA工作电流下正向压降约为600mV,反向耐压30V,具有低正向压降和低反向漏电的典型肖特基特性,适合低功耗整流、保护与开关电源应用。

二、主要参数

  • 器件类型:独立肖特基二极管(单只)
  • 型号:RB520S-30(CBI/创基)
  • 正向压降(Vf):600mV @ IF = 200mA
  • 直流反向耐压(Vr):30V
  • 最大整流电流:200mA(持续)
  • 反向电流(Ir):1μA @ VR = 10V(典型)
  • 非重复峰值浪涌电流(Ifsm):1A(短脉冲,非重复)
  • 封装:SOD-523(超小型表面贴装)

三、特点与优势

  • 小体积:SOD-523封装占板面积小,利于高密度布局与便携设备设计。
  • 低漏电:在10V时反向漏电仅约1μA,适合待机功耗要求高的系统。
  • 合理的正向压降:600mV在200mA条件下提供平衡的压降与功耗表现,适合中低电流整流。
  • 良好的浪涌能力:1A的非重复峰值浪涌电流可承受短时电流冲击(需遵循脉冲宽度与频率限制)。

四、典型应用

  • 低功耗便携设备的整流与保护(如手持设备、穿戴式电子)。
  • 电池管理和充电路径隔离。
  • 开关电源中的次级整流或续流二极管(中低电流场合)。
  • 接口保护、反向极性保护与钳位电路。
  • 通信设备、小型传感器模块等对体积与漏电敏感的场合。

五、设计与布局建议

  • 将二极管放置于需保护或整流节点的近端,缩短走线以降低寄生电感和阻抗。
  • 对于持续200mA工作,注意器件功耗(Pd ≈ Vf × If),以及周围温升,必要时考虑散热环境与PCB铜箔面积。
  • 浪涌电流仅限短时间,若预期长期较大冲击,选择更高Ifsm或并联器件并评估热冲击。
  • 注意反向漏电随温度上升显著增大,需在高温工况验证系统待机功耗。

六、可靠性与注意事项

  • 避免长期在额定电流和高环境温度下工作以延长寿命,应做适当功率与温度余量(降额设计)。
  • 在焊接过程中遵循制造商的温度曲线和IPC规范,避免过高的回流峰值温度或过长加热时间导致封装应力。
  • SOD-523封装体积小,贴片和回流焊过程中需注意定位与焊点质量,避免虚焊或桥连。
  • 存储注意防潮处理,开甩包装后在规定时间内使用。

七、封装与采购建议

  • SOD-523适合自动贴装与高密度PCB设计;在生产准备阶段确认回流工艺与供料方式(卷带、盘装等)。
  • 单片器件适合小电流应用,量产前建议索取并验证完整数据手册及可靠性测试报告,尤其是温度对Ir和Vf的影响曲线。

八、结论与建议

RB520S-30是一款面向中低电流、体积受限场合的肖特基二极管,兼具低漏电和合理的正向压降。适用于便携设备整流、保护与小功率开关电源等。如果设计中存在高温或大浪涌要求,建议评估降额或选用额定更高的型号,并在样机阶段完成温度、寿命与浪涌测试。购买与设计前,请参考创基(CBI)提供的完整Datasheet以获取详细电气特性和焊接规范。

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