WMSIC Electronic Components

YANGJIE GS3MB

ModelGS3MB
PackageSMB(DO-214AA)
BrandYANGJIE
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 Date code within 2 years

Available for RFQ

Technical data

Product details

13 specifications

Core information

Product name
YANGJIE GS3MB
Type
SMB(DO-214AA)
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
GS3MB
Electronic Component
1
Package
SMB(DO-214AA)
Electronic Component
0.207g
Electronic Component
1
Electronic Component
BM0226547692
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.

GS3MB 产品概述

一、产品简介

GS3MB 是扬杰(YANGJIE)推出的一款通用整流二极管,采用 SMB(DO-214AA)独立式封装,面向中等功率整流与防反接保护等场合。器件设计兼顾耐压、耐浪涌能力与可靠的正向导通特性,适合开关电源、离线适配器、整流桥、功率模块保护以及一般电源轨整流等应用。

二、主要电气参数

  • 器件型号:GS3MB(通用二极管)
  • 封装形式:SMB(DO-214AA)
  • 配置:独立式(单只二极管)
  • 额定整流电流:3 A(直流)
  • 非重复峰值浪涌电流(Ifsm):100 A(短时冲击能力)
  • 反向直流耐压(Vr):1 kV(1000 V)
  • 正向压降(Vf):1.15 V @ 3 A
  • 结温工作范围:-55 ℃ ~ +150 ℃
  • 反向漏电流(Ir):5 μA @ 1 kV

以上参数体现了 GS3MB 在高耐压与中等电流条件下的良好适应性,尤其适合高压整流与潮汐性负载场合。

三、关键特性

  • 高耐压:1 kV 的反向耐压使其可直接用于高压整流或高压直流侧保护。
  • 中等整流能力:3 A 连续整流电流适合中等功率电源模块或桥堆整流。
  • 强抗浪涌能力:100 A 的非重复峰值浪涌电流为器件提供了短时冲击保护能力(如充电、浪涌启动等场景)。
  • 低漏电流:在高压条件下仅 5 μA 的反向漏电流,有利于高压系统的静态功耗控制与系统可靠性。
  • 宽温度范围:-55 ℃ 至 +150 ℃ 的结温范围可满足工业级及恶劣环境下的长期工作要求。

四、典型应用

  • 开关电源(高压整流、缓冲二极管)
  • 离线适配器与充电器(高压侧整流)
  • 整流桥或单管整流器件
  • 反向极性保护与防误接保护电路
  • 功率模块保护、浪涌吸收回路
  • 工业控制与测试设备中的高压直流供电

五、封装与热管理

GS3MB 采用 SMB(DO-214AA)表面贴装封装,适用于自动贴片及回流焊工艺。SMB 封装在实际电流与热耗散方面具备一定的限制,建议在布板时充分考虑散热:

  • 在焊盘周围保留较大铜箔面积(地或电源铜层)以扩展散热区域。
  • 对于连续 3 A 工作或频繁大电流脉冲,应采用多层 PCB 并增加铜厚或热过孔来改善热传导。
  • 高结温会影响器件寿命与电气参数,建议根据系统热预算对整流电流作适当降额处理。

六、板级布局与焊接建议

  • 采用与 SMB 封装匹配的焊盘尺寸,保证良好焊接和热传导。
  • 正确标注极性,二极管一般在封装一端有极性标记,布板时与电路一致。
  • 在可能的浪涌路径上加入缓冲元件(如限流、NTC 或噪声抑制)以降低对二极管的瞬时冲击。
  • 推荐使用标准回流焊工艺曲线,严格控制预热与峰值温度,避免过量热应力导致封装或焊点缺陷。
  • 对于高压应用,注意爬电距离与间隙,板上高压节点之间、对地及器件间需满足绝缘规范。

七、可靠性与使用注意事项

  • 请参照完整的器件数据手册确认浪涌电流条件的波形与持续时间(Ifsm 的额定通常基于特定波形),避免超出规定的浪涌能量。
  • 长期在高结温环境下工作会加速老化,必要时应进行热仿真并实施降额使用。
  • 高压应用注意绝缘与安全规范,防止介质击穿或表面闪络。
  • 运输与装配过程中注意防静电、防潮,必要时采取干燥保存和防静电包装。

八、选型建议与替代参考

GS3MB 适合需要高耐压(~1 kV)并兼顾中等电流(3 A)与抗浪涌能力的场合。选型时应对照系统的最大工作电压、连续电流与可能的浪涌情形,评估是否需要更低正向压降或更高连续电流的器件。若需不同封装或更高功率能力,可考虑相近耐压但功率等级更高的整流二极管或整流桥组件。

总结:GS3MB 提供了高耐压、可观的浪涌能力与工业级温度范围,在高压整流与保护场合可作为可靠的通用选择。购买与设计前建议参考完整数据手册以确认所有电气与热参数的详细数值与测试条件。

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