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TWGMC SS54F Schottky Diode SS54F
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- TWGMC SS54F
- Type
- TWGMC
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- TWGMC
- Electronic Component
- SS54F
- Electronic Component
- 1
- Package
- SMAF
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.06g
- Electronic Component
- 1
- Electronic Component
- BM0228587075
- Current
- 5A
- Diode
- Electronic Component
- Current(Ir)
- 1mA
- (Vf)
- 550mV@5A
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Voltage Rating(Vr)
- 40V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SS54F 产品概述
一、产品简介
SS54F 为 TWGMC（台湾迪嘉）出品的独立式肖特基整流二极管，封装为 SMAF，专为中大电流整流与低压差整流应用设计。器件标称整流电流达 5A，反向耐压 40V，具有较低的正向压降与快速恢复特性，适合开关电源、降压转换及功率整流等场合。
二、主要参数
- 二极管配置：独立式（Single diode）
- 正向压降（Vf）：0.55 V @ 5A（典型值）
- 直流反向耐压（Vr）：40 V（最大额定）
- 最大整流电流：5 A（连续）
- 反向电流（Ir）：约 1 mA（典型，随温升和反向电压增加）
- 封装：SMAF（表面贴装，适合自动贴装与回流焊工艺）
- 品牌：TWGMC（台湾迪嘉）
三、优势与特性
- 低正向压降：在大电流条件下保持约 0.55V 的低压降，可有效降低整流损耗与发热，有利于提高系统效率。
- 高整流能力：5A 连续整流能力适合中功率电源和负载供电，满足常见功率转换需求。
- 紧凑封装：SMAF 封装体积小，便于在密集布板环境中节省 PCB 面积，同时适配自动化生产。
- 容错性：反向电流在常温下约 1mA，设计余量合理，但在高温工作需注意漏电上升影响。
四、典型应用场景
- 开关电源次级整流（SMPS）
- DC-DC 降压/升压转换器输出整流
- 车载电源与点烟器电源模块（需关注工作温度）
- 电源保护、反向保护二极管
- 电池充放电管理与整流应用
五、封装与使用注意
- 封装为 SMAF，适于回流焊与波峰焊，但建议参照 TWGMC 的焊接曲线与回流规范，避免过高峰值温度或过长保温时间。
- 在高电流工作下应考虑 PCB 散热设计：增加铜箔面积、加宽走线或采用散热垫以降低结温。
- 反向电流随温度快速上升，长期在高温高 Vr 条件下使用可能影响效率与可靠性，必要时选用更高 Vr 或更低 Ir 的替代型号。
- 推荐在电路设计时预留足够的安全余量，考虑瞬态电压与浪涌电流。
六、选型建议
若目标应用要求在 40V 以下、连续 5A 左右的整流且强调低 Vf 与小体积，SS54F 是经济且实用的选择。对更高耐压或更低漏电有需求时，可考虑相近系列中更高 Vr 或低 Ir 的型号；若工作温度较高或需更小压降，可权衡并行使用或改用低 Vf 高性能肖特基。购买与批量应用前，建议索取 TWGMC 数据手册以确认完整电气特性与热阻参数，并进行实际系统验证。
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