WMSIC Electronic Components

VISHAY LL101A-GS08 LL101A

ModelLL101A-GS08
PackageMiniMELF
BrandVISHAY
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
VISHAY LL101A-GS08
Type
MINIMELF
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
VISHAY
Electronic Component
LL101A-GS08
Electronic Component
1
Package
MiniMELF
Electronic Component
Schottky Diode
Electronic Component
0.052g
Electronic Component
1
Electronic Component
BM0228533075
Current
30mA
Diode
1
Current(Ir)
200nA@50V
(Vf)
410mV@1mA
Electronic Component
Electronic Component
Electronic Component
2500
Voltage Rating(Vr)
60V

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

LL101A-GS08 产品概述

一、产品简介

LL101A-GS08 是 VISHAY(威世)推出的一款 MiniMELF 封装肖特基二极管,面向小电流、低损耗整流与保护应用。该器件以极低的正向压降和微小反向漏电流为主要特点,适用于便携式电子、信号整流、反向保护及高频整流场合。

二、主要电气参数

  • 二极管类型:肖特基二极管(Schottky)
  • 正向压降:Vf = 410 mV @ If = 1 mA(极低导通电压,有利于降低功耗)
  • 额定整流电流:30 mA(连续)
  • 直流反向耐压:Vr = 60 V
  • 反向电流:Ir = 200 nA @ Vr = 50 V(低漏电,利于高阻态保持)
  • 非重复峰值浪涌电流:Ifsm = 2 A(短时浪涌能力,用于突发冲击,但非连续工作)

三、产品特点与优势

  • 低正向压降:410 mV@1 mA,适用于低压差电源路径、功耗敏感场合。
  • 低反向漏电:50 V 时仅约 200 nA,适合用于高阻态维持和低静态功耗设计。
  • 紧凑封装:MiniMELF 形态,轴向圆柱体积小,线性尺寸便于温度分散,热阻特性优于同类小体积塑封器件。
  • 良好浪涌承受力:短时 Ifsm = 2 A,可承受瞬态冲击(非重复,须注意频繁浪涌会损伤器件)。

四、典型应用场景

  • 低电压电源的整流与反向防护(如便携设备电源路径)
  • 信号整流与限幅电路(小信号检波、峰值检波)
  • 二极管-ORing 与电源自动切换(与其低压降特性相配合)
  • 过压/反向保护、EMI 钳位(辅助保护与快速响应)
  • 通信及测量设备中对漏电和压降敏感的电路

五、封装与装配注意

  • MiniMELF 为玻璃/金属筒形封装,具有良好的热循环与长期可靠性,但轴向形态对自动贴装和回流工艺要求不同于扁平封装。
  • 推荐使用对应的贴片带卷(GS08 包装代码常用于卷装供料),贴装前确认贴片机与回流工艺兼容性。
  • 在紧凑布局中留出足够焊盘长度以保证焊点可靠性,必要时采用波峰/手工焊接或专用回流工艺。

六、选型与设计注意事项

  • 注意平均工作电流与最大整流电流(30 mA)匹配,若电流接近或超过额定值,应选更大电流型号。
  • Ifsm = 2 A 为非重复脉冲能力,不宜作为连续冲击或频繁浪涌应用的设计依据。
  • 虽然在 50 V 时漏电仅 200 nA,但漏电随温度上升会增加,若在高温环境或高阻抗电路中使用,应考虑温升影响。
  • 对于更高电压或更大电流需求,可对比同系列其它型号或不同封装的器件。

七、典型电路示例

  • 反向保护:将 LL101A 放置于电源输入方向,正常导通时压降小,反接时阻断。
  • OR-ing:在多路电源自动切换中,利用低 Vf 实现高效率的电源选通。
  • 检波与限幅:在小信号检波器中以低 Vf 提高灵敏度与线性度。

八、采购与可靠性提示

  • 型号:LL101A-GS08,厂商:VISHAY(威世),GS08 为常见包装代码(卷装),具体包装及最小起订量请参考供应商数据表与销售渠道。
  • 在量产前建议审核元件可靠性数据及焊接工艺规范,进行工程试产验证,确认在目标工作温度和使用环境下的表现。

如需完整器件数据手册(含热阻、最大额定值随温度的变化曲线、封装尺寸与焊盘建议),建议下载 VISHAY 官方 PDF 数据表或联系供应商获取最新版本,以便完成最终电路设计与可靠性验证。

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