WMSIC Electronic Components

FUXINSEMI MURS160T3G

ModelMURS160T3G
PackageSMB(DO-214AA)
BrandFUXINSEMI
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
FUXINSEMI MURS160T3G
Type
FUXINSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FUXINSEMI
Electronic Component
MURS160T3G
Electronic Component
1
Package
SMB(DO-214AA)
Electronic Component
Fast Recovery / High-Efficiency Diode
Electronic Component
0g
Electronic Component
1
Electronic Component
BM0228045249
Current
1A
Diode
Electronic Component
Current(Ir)
5uA@4V
(Vf)
1.25V@1A
Electronic Component
55℃~+150℃
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.

MURS160T3G 产品概述

MURS160T3G 是富芯森美(FUXINSEMI)推出的一款独立式快恢复高效率整流二极管,封装为 SMB (DO-214AA)。器件针对中高电压开关电源与功率整流场合进行了优化,具有高耐压、较低正向压降与短反向恢复时间的综合特性,适合用于600V级别的整流、续流、保护与抗突波应用。

一、主要规格一览

  • 型号:MURS160T3G
  • 器件类型:独立式二极管(整流/快恢复)
  • 最大反向耐压(Vr):600 V
  • 额定整流电流:1 A(直流)
  • 正向压降(Vf):1.25 V @ 1 A
  • 反向电流(Ir):5 µA @ 4 V
  • 反向恢复时间(Trr):50 ns
  • 非重复峰值浪涌电流(Ifsm):35 A
  • 工作结温范围:-55 ℃ ~ +150 ℃
  • 封装:SMB (DO-214AA)
  • 品牌:FUXINSEMI(富芯森美)

二、特性与性能要点

  1. 高耐压:600V 反向耐压使该器件适用于高压整流与开关电源的高侧或次级整流场合。
  2. 低正向压降:1.25V(1A)在同类高速恢复二极管中属较低水平,有利于降低正向功耗并提高整流效率。
  3. 快恢复:50ns 的反向恢复时间明显降低开关损耗和射频干扰(EMI),适合中高频开关频率应用。
  4. 低漏电:在低电压条件下反向电流仅为微安级,利于降低待机功耗与热升。
  5. 强抗冲击:35A 的单次峰值浪涌能力能够承受开机或短时过载电流脉冲,增强系统鲁棒性。
  6. 宽温度范围:-55℃ 至 +150℃ 的工作结温保证在恶劣环境下的长期可靠性。

三、典型应用场景

  • 开关电源(SMPS)输出整流与续流二极管
  • 功率适配器、充电器的整流电路
  • 电机驱动与逆变器的续流保护
  • 照明电源(LED驱动)及工业控制电源
  • 反向极性保护、峰值抑制和吸收电路
    该器件在需要兼顾高耐压与较快恢复特性的场合,比传统慢恢复二极管能显著降低开关损耗;相比同电压等级的肖特基二极管,在高耐压(600V)时可获得更稳定的工艺实现。

四、热管理与使用注意

  • SMB 封装具有一定的散热能力,但在1A持续整流或高频开关时仍需关注结温上升。建议在 PCB 设计中通过扩大焊盘面积、添加散热铜箔或使用散热基板来降低结温。
  • 按常规热阻估算并结合 Vf × If 的功耗计算整流器件的结温,必要时做降额设计(例如在高环境温度或受限散热条件下降低持续电流)。
  • 非重复峰值浪涌(Ifsm)为短时脉冲能力,不宜作为长期过载依据;若需频繁承受冲击应选用更高 Ifsm 或并联器件(并联需考虑均流问题)。
  • 反向恢复时间虽为50ns,但在高频高电压切换时仍会产生一定的复合损耗和电磁干扰,应配合合理的驱动与阻尼措施(如缓冲电路或 RC/RCD 吸收)以优化系统表现。

五、封装与装配建议

  • SMB (DO-214AA) 是常见的表面贴装封装,支持自动贴装与回流焊工艺。
  • 推荐遵循 IPC/JEDEC 的回流焊曲线和最高封装温度限制,避免过高的回流峰值温度和过长的高温暴露时间,以防封装或焊点失效。
  • 装配时注意器件极性标识,避免反向安装引发损坏;焊盘设计与丝印应清晰标识极性和参考方向。

六、选型与替代参考

  • 若系统要求更低的正向压降(尤其在低压大电流场合),可优先考虑肖特基二极管(但高耐压肖特基器件在600V等级较少或成本高)。
  • 若需更短的反向恢复时间或更低开关损耗,可考虑超快速恢复或超快速肖特基/复合结构器件,但需权衡耐压与泄漏电流。
  • 在并联使用时需注意器件间的热稳定性与均流措施,建议在同批次元件中配对使用并采取合适的热设计。

总结:MURS160T3G 在600V 高耐压与50ns 快恢复特性之间实现了平衡,适合用于各类中高压开关与整流场合,尤其在对开关损耗、效率与可靠性有要求的设计中,是一个性价比较高的独立式整流二极管选择。

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