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ElecSuper B5819WS
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Elec Super B5819WS
- Type
- ELECSUPER
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ELECSUPER
- Electronic Component
- B5819WS
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.027g
- Electronic Component
- 1
- Electronic Component
- BM0230661603
- Current
- 1A
- Diode
- Electronic Component
- Current(Ir)
- 1mA
- (Vf)
- 600mV
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Voltage Rating(Vr)
- 40V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
B5819WS 肖特基二极管产品概述
一、产品简介
B5819WS 是由 ElecSuper（静芯微）出品的独立式肖特基整流二极管，采用 SOD-323 小尺寸封装。器件面向需要低压降、快速整流的电源与信号保护场合，提供可靠的单通道整流功能，适合体积受限的便携式或板上电源设计。
二、主要性能参数
- 类型：肖特基二极管，独立式单通道
- 正向压降（Vf）：约 600 mV（在典型整流工作点）
- 直流反向耐压（Vr）：40 V
- 反向电流（Ir）：1 mA（近额定反向电压条件下）
- 额定整流电流：1 A
- 封装：SOD-323，适合表面贴装工艺
三、主要特性与优势
- 低正向压降：约 600 mV 的正向压降可减少整流损耗，提高系统效率，特别适合低压差供电场合。
- 肖特基结构：本器件具有肖特基势垒特性，表现出极短的恢复时间和低开关损耗，适合高频整流与快速开关应用。
- 小体积封装：SOD-323 提供紧凑的占板面积，便于移动设备和密集布线的 PCB 布局。
- 工艺兼容：独立式单元便于在回流焊流程中实现可靠贴装与焊接。
四、典型应用场景
- 开关电源输出整流与续流保险（freewheeling）
- 便携式设备的电源路径与反向保护电路
- DC-DC 转换器、高频整流场合的低损耗整流
- 电池充放电管理电路及二次侧整流
五、使用与设计建议
- 散热考量：器件额定整流电流为 1 A，长期在高电流下工作时需关注结温上升。建议在 PCB 下方或周边增加铜箔散热区域并做合适的热流仿真与降额设计。
- 反向电压裕度：虽然 Vr 为 40 V，设计时应考虑突发脉冲和浪涌电压，必要时加稳压或限流保护元件。
- 焊接工艺：SOD-323 适用于常见回流焊工艺，但在手工焊接或返修时应控制热量与时间以防封装损伤。
- ESD 与浪涌防护：肖特基二极管对瞬态冲击敏感，建议在敏感节点配合 TVS 或 RC 抑制网络使用。
六、封装与采购建议
B5819WS 为独立式 SOD-323 封装，便于直接替换或在批量贴装中使用。采购时请确认器件批次与封装标识，必要时向供应商索取详细数据手册与回流焊工艺说明，以保证在目标应用中的可靠性与一致性。
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