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TWGMC DSK24 Schottky Diode DSK24
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- TWGMC DSK24
- Type
- TWGMC
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- TWGMC
- Electronic Component
- DSK24
- Electronic Component
- 1
- Package
- SOD-123FL
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.041g
- Electronic Component
- 1
- Electronic Component
- BM0228587135
- Current
- 2A
- Diode
- Electronic Component
- Current(Ir)
- 500uA
- (Vf)
- 550mV@2A
- 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.
DSK24 产品概述
一、产品简介
DSK24 为 TWGMC（台湾迪嘉）推出的一款独立式肖特基整流二极管，采用 SOD-123FL 封装，专为低压高速整流与反向保护设计。其正向压降低、开关速度快，适用于要求效率与响应时间兼顾的电源与保护电路。典型应用包括开关电源、DC-DC 转换器、整流滤波、反向连接保护与便携式设备电源管理等。
二、主要电气参数
- 二极管配置：独立式
- 型号：DSK24（肖特基二极管）
- 正向压降：Vf = 550 mV @ IF = 2 A
- 直流反向耐压：Vr = 40 V
- 额定整流电流：IF = 2 A（连续）
- 非重复峰值浪涌电流：IFSM = 40 A（单次、峰值）
- 反向电流：IR ≤ 500 µA（典型/最大值与温度有关）
- 工作结温范围：-55 ℃ 至 +125 ℃
- 封装：SOD-123FL（小型表面贴装）
三、性能特点与优势
- 低正向压降：550 mV@2 A 可显著降低导通损耗，提升系统效率，特别在低压大电流场合效果明显。
- 快速恢复与低结电容：肖特基结构提供极短的恢复时间，降低开关损耗与电磁干扰（EMI）。
- 小型封装：SOD-123FL 有利于高密度 PCB 布局与便携设备的体积优化。
- 良好的浪涌承受能力：40 A 峰值浪涌能力可应对启动瞬态与突发电流冲击。
- 宽温度范围：适用于工业级温度要求的应用场景。
四、应用建议
- 开关电源与整流输出级（尤其是低压、高效率电源）。
- DC-DC 降压/升压转换器的整流与旁路路径。
- 电池充放电电路与防反接保护。
- 便携式电子、通信设备、汽车电子（需注意系统电压与环境温度对 IR 的影响）。
五、布局与热管理要点
- SOD-123FL 虽为小型封装，但在 2 A 连续工作时仍需注意散热：在 PCB 上为阴极/阳极铺设较大的铜箔（散热铜皮）以减小结温。
- 缩短输入/输出走线，降低寄生电感与电阻，改善浪涌及开关性能。
- 若长期在高温或高电流工况下工作，应评估结温并适当降低额定电流或增设散热措施。
- 焊接：遵循厂家回流温度曲线以保证焊点可靠性。
六、注意事项
- 反向电流随结温上升明显增加，高温环境下 IR 可能显著高于室温标称值，设计上需留有裕量。
- 若电路中存在频繁且高幅值的浪涌，应评估 IFSM 频率与能量分布，必要时并联或选择更高浪涌能力的器件。
- 在高压突波或反向过压可能出现的场合，需配合抑制元件（TVS、电阻网络等）一并设计保护。
七、结语
DSK24 提供了在小体积下兼顾低正向损耗与良好浪涌能力的解决方案，适合对效率与体积有双重要求的电源与保护类应用。选型时应综合考虑工作电流、环境温度与散热条件，以确保长期可靠运行。若需更详细的典型曲线、封装尺寸与钳位数据，可参考 TWGMC 官方数据手册或联系渠道获取完整规格书。
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