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GOODWORK DSS34
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- GOODWORK DSS34
- Type
- GOODWORK
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- GOODWORK
- Electronic Component
- DSS34
- Electronic Component
- 1
- Package
- SOD-123FL
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.042g
- Electronic Component
- 1
- Electronic Component
- BM0257623405
- Current
- 3A
- Diode
- 1
- Current(Ir)
- 20uA@40V
- (Vf)
- 700mV@3A
- Electronic Component
- 65℃~+150℃
- 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.
DSS34 产品概述
一、产品简介
DSS34 是 GOODWORK（固得沃克）出品的一款高可靠性肖特基整流二极管，封装为 SOD-123FL，面向中等功率整流与瞬态浪涌抑制场景。凭借低正向压降、较小的反向泄漏和宽工作结温范围，DSS34 适用于消费电子电源、DC-DC 转换、车载辅电和电机驱动等应用。
二、主要技术参数
- 品牌：GOODWORK（固得沃克）
- 封装：SOD-123FL（低高度、表面贴装）
- 最大直流正向电流（整流电流）：3A
- 正向压降（Vf）：0.7V @ 3.0A
- 直流反向耐压（Vr）：40V
- 反向电流（Ir）：20µA @ 40V
- 非重复峰值浪涌电流（Ifsm）：80A
- 工作结温范围：-65℃ 至 +150℃
三、特性与优势
- 低压降：0.7V 的正向压降在3A 工作点下可显著降低整流损耗，有利于提高系统效率并减小发热。
- 良好浪涌能力：80A 的非重复峰值浪涌能力能够承受短时冲击电流，适合开机浪涌或负载突变场合。
- 宽温度适应性：-65℃ 到 +150℃ 的结温范围满足工业级与严苛环境要求。
- 紧凑封装：SOD-123FL 体积小，适合表面贴装加工，有利于高密度 PCB 布局。
四、典型应用
- 开关电源整流与续流二极管
- DC-DC 转换器输出整流
- 车载电子（辅助电源、整流保护）
- 充电器与适配器
- 极性保护、反接保护与瞬态吸收电路
- LED 驱动与工控电源
五、使用与布局建议
- 持续工作电流应根据 PCB 散热能力适当降额：SOD-123FL 属小型封装，需通过加大铜箔面积或使用热过孔来改善散热，确保结温低于额定值以延长可靠性。
- 高速开关或脉冲环境下，注意钳位与回路寄生电感，必要时配合低阻抗旁路电容或RC 减振网络。
- 浪涌规范：80A 为非重复峰值能力，具体允许波形（如8.3ms 半波）请按实际应用的浪涌特性确认并适当留有裕量。
- 反向泄漏随着温度上升会增加，若系统在高温下长期施加反向电压，应评估 Ir 对待机损耗及热稳定性的影响。
六、选型与注意事项
- 若系统电压接近或超过 40V，应选用更高 Vr 等级的器件以保证安全裕度。
- 对于需极低正向压降与更低损耗的应用，可考虑采用更低 Vf 的大尺寸肖特基或并联多只器件，但需注意均流问题与散热。
- 在需要长期高可靠性的车规或工业应用场景，建议做应力和温度循环测试验证实际寿命。
七、总结
DSS34 以其低压降、较强浪涌能力和宽工作温度范围，适合中等功率整流和保护用途。合理的 PCB 散热设计与电流降额策略可充分发挥其性能，满足消费类与工业类电源系统对效率、可靠性的要求。若有更具体的应用工况（环境温度、脉冲波形、装配工艺等），可据此进一步优化选型与电路设计。
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