WMSIC Electronic Components

TDD US1M

ModelUS1M
PackageSMA
BrandTDD
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 Option 171435

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
TDD US1M
Type
TDD
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TDD
Electronic Component
US1M
Electronic Component
1
Package
SMA
Electronic Component
Fast Recovery / High-Efficiency Diode
Electronic Component
0.082g
Electronic Component
1
Electronic Component
BM0266040340
Current
1A
Diode
1
Current(Ir)
5uA@1000V
Electronic Component
55℃~+150℃
Electronic Component
Electronic Component
Electronic Component
2000

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

US1M 整流二极管产品概述

一、产品定位与核心优势

US1M是台冠电子(TDD)推出的高速中功率整流二极管,采用SMA贴片封装,主打「高频整流、宽温可靠、抗浪涌冲击」三大核心价值,可覆盖工业控制、开关电源等多场景的稳定整流需求。相比常规慢恢复整流管,其75ns的反向恢复时间大幅降低高频损耗;1kV耐压+1A电流兼顾中压与中小功率负载;30A浪涌能力可抵御开机/负载突变冲击,是中小功率电路设计的优选器件。

二、关键电气参数详解

US1M的参数针对高频整流场景做了精准优化,核心指标如下:

2.1 正向导通特性

  • 额定整流电流:1A(直流连续),可稳定承载中小功率负载的正向电流,满足多数电源整流需求;
  • 正向压降:[email protected],压降处于同类产品中等水平,兼顾导通损耗与反向耐压平衡,避免过度发热。

2.2 反向阻断特性

  • 直流反向耐压:1kV,可承受1000V反向直流电压,覆盖工业控制、高压小功率电源等场景;
  • 反向漏电流:5μA@1000V,漏电流极低,长期工作时减少反向损耗,提升电路效率;
  • 反向恢复时间:75ns,属于高速整流管范畴(慢恢复管通常为μs级),可显著降低开关过程中的损耗与电磁干扰,适配几十kHz的高频电路。

2.3 可靠性参数

  • 非重复峰值浪涌电流:30A(8.3ms半波),可应对开机瞬间的浪涌冲击,避免器件损坏;
  • 工作结温范围:-55℃~+150℃,宽温设计适应工业环境(如户外设备、高温车间)的温度变化,保障极端条件下稳定工作。

三、封装与可靠性设计

US1M采用SMA封装(DO-214AC),是主流贴片二极管封装之一,具备以下优势:

  • 体积小巧:封装尺寸约2.7×1.6×1.1mm,节省PCB空间,适配高密度电路设计;
  • 贴装便捷:符合SMT自动化生产要求,支持回流焊、波峰焊工艺,提升生产效率;
  • 散热优化:金属芯结构可快速将结温传导至PCB,降低内部热阻,保障长期稳定性。

此外,台冠电子针对US1M做了多重可靠性验证:

  • 高低温循环测试(-55℃~+150℃,1000次循环);
  • 浪涌冲击测试(30A×10次);
  • 反向耐压老化测试(1000V×24h),确保实际应用可靠性。

四、典型应用场景

US1M的参数特性使其可广泛应用于以下场景:

  1. 开关电源:手机充电器、笔记本电源适配器等高频电源的整流级,短Trr降低开关损耗,提升效率;
  2. LED驱动电源:小功率LED照明驱动的整流电路,1A电流满足模组需求,宽温适应户外照明;
  3. 工业控制电路:PLC、变频器辅助电源整流,1kV耐压覆盖控制电压,宽温适配工业现场;
  4. 通信设备电源:路由器、交换机电源模块整流,低漏电流提升静态效率,减少待机损耗;
  5. 小型逆变器:太阳能微型逆变器整流级,短Trr适配高频逆变后的整流,提升转换效率。

五、品牌与品质保障

US1M由台冠电子(TDD)生产,该品牌专注功率半导体器件研发,产品覆盖整流管、稳压管等系列,品质符合国际标准:

  • 无铅认证,符合RoHS环保要求;
  • 自动化检测设备保障参数一致性;
  • 提供1年常规质保,满足客户品质需求。

US1M以「高速、可靠、紧凑」的特点,成为中小功率高频整流场景的高性价比选择,可有效简化电路设计并提升系统稳定性。

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