WMSIC Electronic Components

FOSAN SD103AWS

ModelSD103AWS
PackageSOD-323
BrandFOSAN
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
FOSAN SD103AWS
Type
FOSAN
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FOSAN
Electronic Component
SD103AWS
Electronic Component
1
Package
SOD-323
Electronic Component
Schottky Diode
Electronic Component
0.026g
Electronic Component
1
Electronic Component
BM0264886321
Current
350mA
Diode
1
Current(Ir)
50uA@40V
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.

肖特基二极管SD103AWS产品概述

一、品牌与封装基础信息

SD103AWS是国内半导体厂商FOSAN(富信) 推出的肖特基整流二极管,采用SOD-323 表面贴装封装。该封装尺寸通常为1.6mm×0.8mm×0.6mm,属于超小型贴片封装,可显著节省PCB板空间,适配智能手机、智能穿戴等便携设备的高密度集成设计需求。

二、核心电性能参数详解

器件关键电性能参数均经过标准化测试,核心指标及意义如下:

  • 正向压降(Vf):[email protected](直流正向电流下的导通压降),远低于普通硅整流二极管(典型1V以上),可有效降低导通损耗,提升电路效率;
  • 直流反向耐压(Vr):40V,满足多数低压电子电路的反向耐压需求,避免器件反向击穿;
  • 最大直流整流电流(If):350mA,即器件可长时间稳定工作的最大正向电流,适配小功率直流电路;
  • 非重复峰值浪涌电流(Ifsm):2A,可耐受短时间(毫秒级)脉冲过流,应对电源上电冲击、瞬间干扰等场景;
  • (补充常规参数)商业级工作温度范围通常为-55℃~+125℃,符合肖特基二极管的典型可靠性要求。

三、产品核心技术特点

SD103AWS结合肖特基二极管的固有优势与小型化设计,具备以下核心特点:

  1. 低导通损耗:600mV的正向压降可减少功率损耗,尤其适合电池供电的便携设备,延长续航时间;
  2. 高速开关特性:无反向恢复时间(或极短),支持几十kHz至几百kHz的高频电路(如DC-DC转换器)快速切换,避免开关损耗;
  3. 耐浪涌能力:2A峰值浪涌电流可抵御瞬间脉冲,提升电路抗干扰性;
  4. 高集成适配性:SOD-323封装体积小、重量轻,可与其他贴片器件密集布局,适配紧凑设计;
  5. 环保可靠:符合RoHS标准,FOSAN的工艺保障了器件一致性与长期稳定性。

四、典型应用场景

基于其性能特点,SD103AWS广泛应用于以下场景:

  1. 便携电子设备:智能手机、智能手环、蓝牙耳机的电源管理模块(电池充电整流、DC-DC续流);
  2. 小型电源电路:USB接口电源、线性稳压器输出整流、小功率开关电源续流;
  3. 家电控制模块:智能插座、遥控器、小型家电(加湿器、台灯)的控制电路;
  4. 通信接口防护:配合ESD二极管辅助保护USB、RS485等接口的反向过压;
  5. 小容量电池充电:纽扣电池、18650小容量锂电池的充电回路整流。

五、应用与焊接注意事项

为保障器件性能,需注意以下要点:

  1. 参数限制:持续电流不超350mA,直流反向电压不超40V,避免过载或击穿;
  2. 温度控制:工作环境温度建议-40℃~+85℃,高温环境需散热,避免反向漏电流增大;
  3. 焊接工艺:回流焊温度≤260℃,手工焊时间≤10秒,避免热损伤;
  4. 静电防护:肖特基二极管对静电敏感,操作需佩戴防静电手环。

六、总结

SD103AWS作为FOSAN推出的高性价比肖特基二极管,凭借低压降、高速、小型化与耐浪涌能力,成为低压小功率电子设计的理想选择。其适配多场景应用,可满足便携设备、电源管理等系统的整流、续流与防护需求,是紧凑设计中优先考虑的器件之一。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.