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SHIKUES DFLS1100
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- SHIKUES DFLS1100
- Type
- SHIKUES
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SHIKUES
- Electronic Component
- DFLS1100
- Electronic Component
- 1
- Package
- SOD-123FL
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.039g
- Electronic Component
- 1
- Electronic Component
- BM0227382525
- Current
- 1A
- Diode
- Electronic Component
- Current(Ir)
- 200uA@100V
- (Vf)
- 850mV@1A
- Electronic Component
- 55℃~+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.
DFLS1100 肖特基二极管 产品概述
一、产品简介
DFLS1100 是 SHIKUES（时科）推出的一款独立式肖特基二极管，采用 SOD-123FL 小外形封装。该器件设计用于开关电源及整流场合，兼顾较高反向耐压与快速开关特性。工作结温范围为 -55℃ 至 +125℃，适应宽温度环境。
二、主要电气参数
- 直流正向电流（IF）：1A（整流电流）
- 正向压降（Vf）：0.85V @ 1A
- 直流反向耐压（VR）：100V
- 反向电流（IR）：200µA @ 100V
- 非重复峰值浪涌电流（Ifsm）：30A
- 工作结温：-55℃ ~ +125℃
以上参数描述了 DFLS1100 在常规整流与浪涌条件下的电气能力，100V 的耐压和 30A 的峰值浪涌使其在高压整流与输入浪涌抑制场合表现可靠。
三、热特性与散热建议
在 1A 连续正向工作时，Vf≈0.85V，器件功耗约为 0.85W。由于 SOD-123FL 为小型封装，散热路径有限，建议：
- 在 PCB 布局上增加引脚散热铜箔和过孔以改善热蔓延；
- 将器件靠近散热平面或外壳安装位置，避免长时间满载工作；
- 对于高平均功率或高环境温度工况，考虑使用并联器件或选用更大封装以降低结温。
四、典型应用场景
- 开关电源输出整流与二次侧整流；
- DC-DC 转换器续流/钳位二极管；
- 输入整流、反向保护与防反接电路；
- 汽车电子（符合温度范围要求）、工业电源及充电器等需兼顾耐压与浪涌能力的场合。
五、封装与安装注意事项
DFLS1100 采用 SOD-123FL 封装，适合自动贴片生产。使用时应注意：
- 识别极性标识并确保正确焊接方向；
- 采用推荐的回流焊曲线，避免过高峰值温度和过长加热时间影响可靠性；
- 存储和装配过程中按 ESD 防护规范操作，防止静电损伤。
六、选型与工程注意
DFLS1100 的特点是高耐压（100V）与较强的浪涌承受能力，适合需要高压余量的肖特基应用。但其在 1A 条件下正向压降约 0.85V，导致在高平均电流场合产生较大功耗，需权衡效率与热管理。若追求更低 Vf 或更高连续电流能力，可考虑更低 Vf 的肖特基或更大封装器件。
七、可靠性与测试建议
在设计验证阶段建议做：热阻测量、结温-环境温度测试、浪涌能力确认以及高温高压下的反向漏电测试。特别关注工作环境温度对反向漏电的影响，因为肖特基二极管的漏电随温度上升显著增加。
总结：DFLS1100 是一款面向高耐压、需抗浪涌场合的独立式肖特基二极管，适用于多种电源整流与保护应用。合理的 PCB 散热设计与负载评估可确保其在长期运行中的稳定性与可靠性。若需器件封装图、脚位尺寸或推荐 PCB 尺寸，请告知以提供更详细资料。
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