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GOODWORK B5819WS
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- GOODWORK B5819WS
- Type
- GOODWORK
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- GOODWORK
- Electronic Component
- B5819WS
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.029g
- Electronic Component
- 1
- Electronic Component
- BM0230812395
- Current
- 1A
- Diode
- Electronic Component
- Current(Ir)
- 50uA
- (Vf)
- 550mV@1A
- Electronic Component
- 65℃~+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.
B5819WS 产品概述
一、产品简介
B5819WS（品牌：GOODWORK / 固得沃克）是一款独立式肖特基整流二极管，采用小型SOD-323封装，面向对体积和开关损耗有严格要求的低压电源与保护电路。该器件在1A工作电流下具有典型正向压降约0.55V，配合低反向恢复与较低的反向漏电，能够提升系统效率并缩小散热需求。
二、主要电气参数
- 正向压降（Vf）：0.55V @ If = 1A（典型值）
- 直流反向耐压（Vr）：40V
- 整流电流（If(AV)）：1A
- 反向电流（Ir）：50µA（常见测试条件下）
- 非重复峰值浪涌电流（Ifsm）：25A（半波冲击）
- 工作结温范围：-65℃ ~ +125℃
这些参数表明该器件适合在低压至中低压场合做整流、续流或保护用途，但在高温环境下需关注反向漏电与散热降额。
三、封装与热管理
SOD-323封装体积小、适合高密度贴装，但封装热阻相对较高。建议在PCB设计时：
- 在二极管下方或引脚周围增加铜箔散热面积（热过孔或大面积铜箔）；
- 对承载1A持续电流的走线采取宽线或多层铜平铺；
- 若存在反复冲击电流或高环境温度，应做热仿真并适当降额使用。
四、典型应用场景
- 开关电源输出整流与输入保护
- 电源极性保护与反向防护电路
- 续流二极管（例如MOSFET开关负载回路）
- 小型充电器、适配器以及多种便携式电子设备的电路保护
五、使用建议与注意事项
- 注意Vr=40V的绝对限制，避免长期承受超过额定电压的脉冲或纹波；
- 反向漏电会随温度显著上升，高温场合应考虑降额或选择漏电更低的器件；
- Ifsm为非重复峰值，发生浪涌时应保证脉冲宽度及次数在器件规格范围内；
- 焊接时遵循推荐回流曲线，避免因过热影响器件可靠性；
- 设计中可配合吸收/缓冲电路（如RC或TVS）限制浪涌和减小电压尖峰。
六、采购与替代
订购时请确认完整型号“GOODWORK B5819WS，SOD-323封装”并索取正式数据手册以核对测试条件。对于需更高耐压或更大电流的场合，可考虑同家或其他厂商的高压/大电流肖特基替代型号，但需评估正向压降、漏电、封装热阻等差异。
如需我提供用于PCB布局的参考封装尺寸、典型电气曲线或与常见替代型号的对比表，可继续说明具体需求。
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