WMSIC Electronic Components

ElecSuper F7

ModelF7
PackageSOD-123FL
BrandElec Super
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Elec Super F7
Type
ELECSUPER
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ELECSUPER
Electronic Component
F7
Electronic Component
1
Package
SOD-123FL
Electronic Component
Fast Recovery / High-Efficiency Diode
Electronic Component
0.037g
Electronic Component
1
Electronic Component
BM0234650739
Current
1A
Diode
1
Current(Ir)
2uA
(Vf)
1.3V
Electronic Component
55℃~+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.

F7 产品概述

一、概述

F7 是 ElecSuper(静芯微)推出的一款独立式快恢复/高效率二极管,采用 SOD-123FL 小型封装,专为中低电流、高电压开关电源及工业电源整流场景设计。器件在兼顾高耐压和低导通损耗的同时,提供良好的浪涌承受能力与宽工作温度范围,适合对可靠性与体积有要求的电源系统。

二、主要特性

  • 正向压降(Vf):1.3 V(典型),在 1 A 工作点下降低导通损耗。
  • 直流反向耐压(Vr):1000 V,满足高压整流与防反向冲击需求。
  • 整流电流(If):1 A,适合小至中等功率应用。
  • 反向电流(Ir):2 μA(典型),在高阻抗或待机电路中可降低泄漏功耗。
  • 反向恢复时间(Trr):500 ns,属快恢复类型,适用于中等开关频率的开关转换场合。
  • 非重复峰值浪涌电流(Ifsm):25 A,能承受启动或短时冲击电流。
  • 工作结温:-55 ℃ ~ +150 ℃,适应严苛环境与高温工况。
  • 封装:SOD-123FL,体积小、适合自动贴装与紧凑布局。

三、典型应用

  • 开关电源(SMPS)整流与续流二极管
  • 反激/正激和斩波电路的高压整流
  • PFC 前端高压桥、提升型转换器输出整流
  • 工业电源、LED 驱动、电动车充电桩等需要 1kV 耐压的场合
  • 电源保护(浪涌吸收、钳位)及高压采样电路

四、设计建议

  • 封装为 SOD-123FL,铜箔焊盘应设计足够散热面积,并配合过孔接地以提升热阻性能;在 1 A 连续工作时推荐扩大焊盘面积并提供散热层。
  • 反向恢复时间 500 ns,适合开关频率在几十 kHz 至百 kHz 级别的应用;若工作频率更高或对开关损耗极其敏感,建议评估超快恢复或肖特基器件的替代方案。
  • 在高压瞬变场景下,布局应缩短二极管与开关器件之间的回路,减小寄生电感以降低尖峰电压与 EMI。
  • 考虑 Ifsm 为 25 A,建议在有频繁浪涌的场合增加限流或热保护措施以延长寿命。

五、可靠性与选型要点

F7 提供较宽的结温范围与较低的反向泄漏,适合高温与低功耗并重的系统。选型时需综合考量工作频率、允许压降和耐压要求:若追求更低导通损耗可考虑肖特基二极管,但其耐压通常受限;若需要极短恢复时间,应选超快恢复(Trr <100 ns)型号。F7 在耐压与成本之间提供平衡,是高压快恢复应用的常用选择。

六、封装与使用注意

SOD-123FL 支持自动贴装与回流焊工艺,焊接温度应按照厂商的回流曲线规范控制以保证焊点可靠性。储存与装配过程中注意防静电与防潮处理。购买与设计对接时,可参考 ElecSuper 的数据手册以获取具体电气曲线与热阻参数。

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