WMSIC Electronic Components

MCC ER2D-LTP ER2D

ModelER2D-LTP
PackageDO-214AA(SMB)
BrandMCC
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

19 specifications

Core information

Product name
MCC ER2D-LTP
Type
MCC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MCC
Electronic Component
ER2D-LTP
Electronic Component
1
Package
DO-214AA(SMB)
Electronic Component
Fast Recovery / High-Efficiency Diode
Electronic Component
0.201g
Electronic Component
1
Electronic Component
BM0230042645
Current
2A
Current(Ir)
5uA@200V
(Vf)
950mV@2A
Electronic Component
65℃~+175℃
Electronic Component
Electronic Component
Electronic Component
3000
Voltage Rating(Vr)
200V

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

ER2D-LTP 产品概述

一. 产品简介

ER2D-LTP 是 MCC(美微科)推出的一款快恢复/高效率整流二极管,面向需要在中高压和中等开关频率下兼顾开关损耗与导通损耗的电源应用。该器件采用 DO-214AA(SMB)表面贴装封装,设计用于在 200V 直流反向耐压下提供稳定的整流性能,同时具备良好的浪涌吸收能力和低漏电流特性,适合开关电源、适配器、工业电源等场景。

二. 主要技术参数

  • 品牌:MCC(美微科)
  • 型号:ER2D-LTP
  • 正向压降 (Vf):0.95V @ IF = 2A
  • 额定整流电流:2A(连续)
  • 直流反向耐压 (Vr):200V
  • 反向电流 (Ir):5 μA @ VR = 200V
  • 反向恢复时间 (Trr):35 ns
  • 非重复峰值浪涌电流 (Ifsm):50A(脉冲)
  • 工作结温范围:-65 ℃ ~ +175 ℃(Tj)
  • 封装:DO-214AA(SMB)表面贴装

三. 主要特性与优势

  • 低正向压降:在 2A 工作电流下正向压降约 0.95V,减小导通损耗,有助于提高整机效率并降低发热。
  • 低反向泄漏:5 μA @ 200V 的低反向电流,有利于电源在高压工况下保持较低的静态功耗,适合待机或空载功耗要求高的系统。
  • 快速恢复:35 ns 的反向恢复时间在开关型电源中能有效降低反向恢复造成的功率损耗与电磁干扰(EMI),优于传统慢恢复整流器,但属于常规快恢复类别,适合中高频场合。
  • 优良的浪涌承受能力:50A 的非重复峰值浪涌电流能够承受啮合浪涌与过压瞬态,提升系统对输入突发事件的鲁棒性。
  • 宽温度工作范围:-65 ℃ 至 +175 ℃ 的结温范围保证在苛刻环境与高温工作条件下的可靠性。

四. 典型应用场景

  • 开关电源(SMPS)输出整流或次级整流
  • 适配器与充电器的整流与续流回路
  • 逆变器/UPS 的整流与钳位电路
  • 电机驱动中的续流(freewheeling)或反向防护
  • LED 驱动、工业电源与通信电源中的高压整流模块
    注:在需要极低正向压降和更高频率(数百 kHz 以上)应用,可比较 Schottky 方案或超快恢复器件的权衡。

五. 设计与使用建议

  • 散热管理:在 2A 连续整流条件下,器件的正向功耗约为 Vf × IF(约 1.9W),建议在 PCB 设计中提供充足的铜箔散热区与通孔散热通道。对高功率密度设计,可在 PCB 底层扩展散热铜箔并采用多层散热方案。
  • 布局注意:尽量缩短高电流回路的走线长度,减小寄生电感,尤其是在开关电源次级整流位置,以降低电压尖峰与 EMI。
  • 浪涌保护:尽管器件具备 50A 峰值浪涌能力,但频繁承受大浪涌会加速老化;若预期有频繁浪涌或雷击脉冲,应在输入端增加限流或吸收元件(如 NTC、TVS、RC 缓冲等)。
  • 温度与电流的寄生效应:在高结温或散热不足的环境中,应对整流电流做适当降额,保证长期可靠性。
  • 回流焊兼容性:作为 SMB 封装的表面贴装器件,推荐按照制造商或业界通用的回流焊温度曲线进行贴装,避免过快升温或超温导致应力。

六. 封装与机械信息

  • 封装类型:DO-214AA(SMB)表面贴装,适配常见的 SMT 生产工艺,利于自动化贴装与高密度板级设计。
  • 标记与极性:器件通常有阴极条纹标识,便于在 PCB 装配时识别极性。
    (注:具体引脚尺寸与焊盘建议请参考厂方封装图与 PCB 推荐焊盘尺寸。)

七. 可靠性与注意事项

  • 该器件适合工业级温度与高压工作,长期工作时应关注结温与散热状况。
  • 在设计验证阶段,应进行热成像与实际载流测试,确认在最大预期工作条件下结温低于推荐极限。
  • 如需在严格的医疗、航空或汽车电子环境使用,请向厂商确认相应的质量与认证资料。

八. 总结

ER2D-LTP 是一款面向中高压整流与中高频开关应用的快恢复二极管,兼具较低正向压降、低反向泄漏与良好的浪涌承受能力。SMB 表面贴装形式便于量产应用,在开关电源、适配器、UPS 与工业电源领域具有较高的应用价值。选型时应结合系统的工作频率、散热能力与浪涌特性进行权衡,以获得最佳的效率与可靠性表现。

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