WMSIC Electronic Components

Slkor SD103AWS

ModelSD103AWS
PackageSOD-323
BrandSLKOR
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
Slkor SD103AWS
Type
SLKOR
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SLKOR
Electronic Component
SD103AWS
Electronic Component
1
Package
SOD-323
Electronic Component
Schottky Diode
Electronic Component
0.031g
Electronic Component
1
Electronic Component
BM0264567856
Current
350mA
Diode
1
Current(Ir)
5uA
(Vf)
600mV@200mA
Electronic Component
65℃~+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.

Slkor SD103AWS 肖特基二极管产品概述

一、产品基本信息

Slkor(萨科微)SD103AWS是一款独立式肖特基势垒二极管,采用SOD-323小型表面贴装封装,专为低压、低功耗、小型化电子设备设计。该器件以低正向压降、低反向漏电流为核心特性,适配多种便携式及小功率电路场景,是消费电子、电源管理领域的高性价比选型。

二、核心电气特性

SD103AWS的关键参数针对低压应用优化,精准匹配小功率电路需求:

1. 正向压降与功耗

  • 正向压降(Vf):600mV @ 200mA
    肖特基二极管的核心优势在于远低于普通硅二极管(~700mV)的正向压降,在200mA工作电流下,功率损耗仅为0.12W,显著降低电路发热,避免额外散热设计,提升电源转换效率。

2. 反向特性与耐压

  • 直流反向耐压(Vr):40V
    满足3.7V/4.2V锂电池电路、5V小功率电源等场景的耐压需求,避免反向击穿风险;
  • 反向漏电流(Ir):≤5μA @ 30V
    低漏电流特性使器件在待机状态下几乎不消耗额外功率,尤其适合电池供电的便携式设备,延长待机时间(如TWS耳机闲置时无明显耗电)。

3. 浪涌防护能力

  • 非重复峰值浪涌电流(Ifsm):2A
    可承受瞬间2A峰值电流冲击(非重复),有效防护开机浪涌、静电放电(ESD)等突发电流,提升电路可靠性,减少故障概率。

三、封装与可靠性设计

SD103AWS采用SOD-323表面贴装封装,兼顾小型化与可靠性:

1. 小型化适配高密度布局

封装尺寸为1.6mm×0.8mm×0.65mm,占用PCB面积仅1.28mm²,完美适配TWS耳机、智能手环、智能手表等小型便携式设备的高密度电路设计,无空间浪费。

2. 环保与可靠性测试

  • 符合RoHS无铅无卤标准,满足欧盟环保要求;
  • 通过-55℃150℃高温存储、温度循环(-55℃125℃)等可靠性测试,可稳定工作于工业级及消费电子级环境,寿命符合行业标准。

3. 散热与电流承载

热阻典型值Rth(j-a)≤300℃/W,在≤200mA的中小电流下可长期稳定工作,无需额外散热片,简化电路设计。

四、典型应用场景

SD103AWS的特性使其精准适配以下场景:

  1. 便携式设备电源管理
    TWS耳机、智能手环、智能手表的电池保护电路、续流二极管:低VF减少电源损耗,小封装适配设备小型化,低漏电流延长待机时间。

  2. 小功率开关电源
    5V/1A以下的USB充电器、电源适配器的整流二极管:40V耐压满足整流需求,低漏电流提升转换效率(如手机备用充电器的辅助整流)。

  3. 信号处理与防护
    音频、射频信号的过压钳位、ESD防护:肖特基的ns级快速恢复特性适合高频信号传输,避免信号失真。

  4. 低压直流辅助电路
    LED驱动辅助电路、小型电机续流:低VF降低发热,延长LED与电机寿命,适配低压(≤5V)应用场景。

五、品牌与质量优势

Slkor(萨科微)作为国内功率半导体领域的专业厂商,SD103AWS具有以下优势:

  • 参数一致性:批量生产一致性好,避免因器件参数差异导致的电路性能波动,适合中低端消费电子批量应用;
  • 成本效益:在保证性能的前提下,提供高性价比的替代方案,降低客户BOM成本;
  • 技术支持:提供完整的datasheet及应用参考设计,帮助客户快速集成到产品中,缩短研发周期。

综上,SD103AWS是一款专为低压小型化电路设计的高性价比肖特基二极管,平衡了性能、成本与可靠性,是消费电子、电源管理领域的优选器件。

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