WMSIC Electronic Components

MDD GS1M

ModelGS1M
PackageSMA(DO-214AC)
BrandMDD
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
MDD GS1M
Type
MDD
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MDD
Electronic Component
GS1M
Electronic Component
1
Package
SMA(DO-214AC)
Electronic Component
General Purpose Diode
Electronic Component
0.098g
Electronic Component
1
Electronic Component
BM0225350795
Current
1A
Diode
1
Current(Ir)
5uA
(Vf)
1.1V@1A
Electronic Component
55℃~+150℃
Electronic Component
Electronic Component
Electronic Component
5000

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

GS1M(MDD)— 1A/1000V 表面贴装整流二极管产品概述

一、核心参数与型号简介

GS1M(品牌:MDD,封装:SMA / DO-214AC)是一款通用整流二极管,面向高压直流整流与保护用途。主要电气参数如下:

  • 工作结温范围:-55 ℃ ~ +150 ℃
  • 额定整流电流(平均):1 A
  • 正向压降 Vf:1.1 V @ 1.0 A
  • 非重复峰值浪涌电流 Ifsm:30 A(单次浪涌脉冲)
  • 直流反向耐压 VR(Vr):1000 V(VRRM)
  • 反向电流 Ir:5 μA(常温、额定Vr条件下)
  • 封装:SMA(DO-214AC),适用于自动贴装工艺

该器件可视为SMD形式的高压1A整流器,功能上等同于经典的1N4007但采用表面贴装封装,便于现代SMT生产线使用。

二、主要特性与优势

  • 高耐压设计:1000 V 反向耐压适合高压整流、逆变与保护电路。
  • 良好浪涌承受能力:30 A 单次峰值浪涌能应对启动或短时冲击电流。
  • 低漏电流:5 μA 的反向电流在高压场景下有利于保持系统稳定性与安全性。
  • 稳定的正向压降:1.1 V @1 A,便于功耗估算和热设计。
  • 宽温度范围:-55 ℃ 至 +150 ℃,适合工业级与严苛环境应用。
  • SMD封装(SMA):占板面积小,易于自动化贴片与回流焊接。

三、典型应用场景

  • 开关电源(SMPS)与整流桥中的高压单元
  • 工业与电力电子设备的高压直流整流与反接保护
  • 电机驱动、变频器的辅助电路保护
  • 家用电器、高压电源(如电焊、电源适配器)
  • 逆变器、太阳能并网逆变系统中的高压路径
  • 各类高压测试与测量设备的保护二极管

四、设计与使用注意事项

  • 热设计:尽管平均电流为1A,正向压降导致的热耗(P = Vf × If)在长时间或高占空比下不可忽视。推荐在布板时为二极管引脚增加足够的铜箔,以降低结-环境热阻并利于散热。
  • 额定值预留:在选择时应考虑工作环境、浪涌概率与寿命要求,通常建议在实际工作反向电压和正向电流上留有裕量(例如工作电压远低于1000 V)。
  • 浪涌能力限制:Ifsm 为瞬态指标,不能作为长时间过载的依据。若存在频繁的冲击电流,应选用更高Ifsm或进行浪涌抑制设计(限流器、NTC、软启动)。
  • 并联使用:若需提升平均整流电流,应谨慎并联多只二极管,注意正向压降匹配和热均衡,优先采用单一更高电流规格器件。
  • 反向恢复:GS1M 属常规整流二极管,反向恢复时间非超快型。高频开关应用(高开关频率整流)若对trr有严格要求,应考虑快速恢复或肖特基二极管替代。

五、封装与可靠性建议

  • 封装为SMA(DO-214AC),适合回流焊,建议遵循JEDEC/IPC回流曲线进行焊接以保障焊点可靠性。
  • 存储与潮湿敏感性:一般为普通级别,长期存放或受潮后建议进行烘烤处理再进行回流。请参照供应商具体储运建议。
  • 测试建议:进货检验时对正向压降、反向漏电、耐压与浪涌能力进行抽样验证,必要时做温度循环与高温高湿应力测试。

六、替换与选型建议

  • 常见等效:GS1M 可以作为 1N4007 的 SMD 替代品(功能等效),适用于需要表贴封装的场合。
  • 若需更低正向压降或更快开关性能,可考虑肖特基二极管或快速恢复二极管,但要注意这些器件在耐压与反向漏电上的差异。
  • 在高频与高效率电源中,若开关频率较高或要求低损耗,应比较 trr、Vf 与 Ir 等参数,选择最合适的器件类型。

七、采购与验证

  • 采购时确认完整型号、品牌(MDD)、包装形式(卷带/散装)、批次与原厂或授权分销渠道。
  • 建议在小批量试产中验证器件在目标电路中的热稳定性、漏电与耐压表现,确保长时间运行可靠。

如需进一步的封装尺寸、热阻数据或完整Datasheet,请提供是否需要我帮您检索并汇总厂商规格说明书。

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.