WMSIC Electronic Components

KUU SS210

ModelSS210
PackageSMA
BrandKUU
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
KUU SS210
Type
KUU
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
SS210
Electronic Component
1
Package
SMA
Electronic Component
Schottky Diode
Electronic Component
0.11g
Electronic Component
1
Electronic Component
BM0264548718
Current
2A
Diode
Electronic Component
Current(Ir)
500uA@100V
(Vf)
850mV@2A
Electronic Component
Electronic Component
Electronic Component
2000
Voltage Rating(Vr)
100V

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

SS210 肖特基二极管(KUU,SMA)产品概述

SS210 是 KUU 品牌的一款独立式肖特基整流二极管,采用 SMA 封装,针对中小功率整流与保护应用进行了优化。其主要电气参数包括正向压降 Vf = 0.85 V(在 If = 2 A 时),直流反向耐压 Vr = 100 V,整流电流 If(AV) = 2 A,反向漏电流 Ir = 500 μA(在 Vr = 100 V 时)。该器件结合了肖特基二极管低压降、快速切换的固有优点,适用于多种功率管理场合。

一、主要参数一览

  • 器件型号:SS210
  • 品牌:KUU
  • 封装:SMA(独立式)
  • 正向压降:Vf = 0.85 V @ If = 2 A
  • 直流反向耐压:Vr = 100 V
  • 平均整流电流:If = 2 A
  • 反向漏电流:Ir = 500 μA @ Vr = 100 V
  • 特性:肖特基势垒,低正向电压、快速恢复(近似无反向恢复)

二、性能特点与优势

  • 低正向压降:0.85 V@2 A 的正向压降可减少整流损耗,适合降低功率损耗和热量产生的场合。
  • 快速响应:肖特基结构使其没有显著的反向恢复时间,适合高开关频率电路的自由轮回与续流保护。
  • 中高压耐受:100 V 的反向耐压支持更宽的输入电压范围,适用许多车载(非瞬变)、工业和通信电源环境。
  • 紧凑封装:SMA 封装便于表贴安装,节约 PCB 面积,适合自动化贴装与中等功率密度电路板设计。

三、典型应用场景

  • 开关电源(SMPS)输出整流与续流二极管
  • DC-DC 转换器及降压模块的输出整流
  • 反向极性保护与整流桥替代(单方向保护)
  • 电池充放电管理与二次电源路径切换
  • 通讯设备、电源适配器与工业控制模块

四、热管理与使用建议

  • 功耗估算:在 If = 2 A 时,二极管正向损耗约 P = Vf × If ≈ 1.7 W,实际结温受 PCB 散热和工作占空比影响。
  • 建议做法:为长期可靠运行,建议连续工作电流按额定值的 60–80% 进行设计(即 1.2–1.6 A 范围内作为连续工作参考),在高频或长期大电流场合增大铜箔散热面积或局部散热片。
  • 焊接可靠性:遵循常规 SMD 回流焊曲线(最高回流温度 ~260 °C,具体以厂家推荐为准),避免过长高温暴露导致封装应力或性能退化。

五、典型电路与选用注意

  • 续流二极管:在降压拓扑中用作续流二极管,可减少开关器件应力及能量损耗。
  • 反向保护:串联在电源输入端,可阻断反向接入,但要注意 Vf 导致的压降与功率损耗。
  • 选型考量:若系统对漏电流敏感(例如高阻输入、测量电路),应注意 Ir = 500 μA 在高电压下的影响,必要时选择漏电更低的型号。

六、可靠性与检测建议

  • 常规出厂测试需包含正向压降、反向耐压和漏电流测量。
  • 在高温高压环境中,建议进行加速老化或热循环验证以评估长期稳定性。
  • 设计时考虑瞬态抑制与过压保护,避免超过最大反向耐压或承受高幅值脉冲导致击穿。

七、采购与替代件

  • 订购时确认封装(SMA)、极性及批次信息,关注真实样片与大货的一致性。
  • 常见替代:在类似参数范围内可考虑其他品牌的 100 V、2 A 级肖特基二极管,但需比较 Vf、Ir 与热阻等具体指标以确保替换兼容。

总结:SS210(KUU,SMA)是面向中小功率整流与保护场景的经济型肖特基二极管,具有低正向压降与快速响应的特点。合理的热设计与电流降额能显著提升其在长期运行中的可靠性和稳定性。若需更严格的漏电或更高功率性能,可在选型阶段寻求更高规格的替代器件。

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