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Slkor DSS34
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Slkor DSS34
- Type
- SLKOR
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SLKOR
- Electronic Component
- DSS34
- Electronic Component
- 1
- Package
- SOD-123FL
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.037g
- Electronic Component
- 1
- Electronic Component
- BM0264567864
- Current
- 3A
- Diode
- 1
- Current(Ir)
- 100uA@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 二极管产品概述
一、产品简介
DSS34 是 Slkor（萨科微）推出的一款适用于表面贴装的独立式整流二极管，封装为 SOD-123FL。器件设计注重低正向压降与良好的拾取放置特性，内置应力消除结构以提升焊接可靠性与机械稳定性，适合自动化贴装生产。
二、主要电气参数
- 正向压降（Vf）：0.7 V @ 3 A（低压降设计，有助于降低导通损耗）
- 额定整流电流：3 A（连续工作）
- 直流反向耐压（Vr）：40 V（适用于低压到中低压系统）
- 反向电流（Ir）：100 μA @ 40 V（低漏电流）
- 非重复峰值浪涌电流（Ifsm）：80 A（具备较好的浪涌承受能力）
- 工作结温范围：-65 ℃ 至 +150 ℃
三、封装与机械特性
SOD-123FL 小型表贴封装，体积紧凑且便于自动化拾取与贴装。封装内部的应力消除设计降低焊接应力对二极管焊点和芯片的影响，提高长期可靠性。建议按照厂商推荐的焊盘尺寸与回流曲线进行加工。
四、应用场景
- 开关电源与整流电路（低压输出侧整流）
- 便携式设备电源管理（电池保护、反向保护）
- 汽车电子、工业控制中的低压保护与自由轮回路
- LED 驱动与DC-DC转换器的续流与钳位应用
五、PCB布线与散热建议
尽管器件额定3 A，实际热管理依赖PCB铜箔面积与散热路径。建议在焊盘处使用较大铜面积并做过孔通热到内层/背面铜箔；保持正负极铜箔宽且短，以减少导通损耗与热积累。对于高脉冲或持续大电流场合，应评估结温并适当降额使用。
六、使用与注意事项
- 焊接时遵循无铅/有铅回流曲线，避免过高峰值温度和过长高温保持时间。
- 在高温或频繁热循环环境中，利用应力消除结构仍需配合合理焊盘设计以保证可靠性。
- 对于反向电压接近 Vr 的工作场景，应关注温度对反向电流的影响并留有裕量。
七、采购与替代
DSS34 由 Slkor（萨科微）提供，封装 SOD-123FL，适合批量自动贴片生产。选型时请参考厂商完整数据手册以获取封装图、焊盘推荐、回流规范与质量认证信息。需要更高耐压或更低正向压降时，可在同类规格中比较替代型号。
小结：DSS34 以低正向压降、良好浪涌能力和表贴友好性，适合多种低压整流与保护应用；合理的PCB散热设计与按厂方回流规范焊接可发挥其最佳性能。
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