WMSIC Electronic Components

DIOTEC(德欧泰克) US1J

ModelUS1J
PackageSMA(DO-214AC)
BrandDIOTEC
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
DIOTEC US1J
Type
DIOTEC
Minimum package
7500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
DIOTEC
Electronic Component
US1J
Electronic Component
1
Package
SMA(DO-214AC)
Electronic Component
Fast Recovery / High-Efficiency Diode
Electronic Component
0.098g
Electronic Component
1
Electronic Component
BM0264582830
Current
6A
Diode
1
Current(Ir)
5uA@600V
(Vf)
1.7V@1A
Electronic Component
50℃~+150℃
Electronic Component
Electronic Component
Electronic Component
7500

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

US1J 超快恢复整流二极管产品概述

一、产品基本信息

US1J是德国品牌DIOTEC(德欧泰克) 推出的独立式超快恢复整流二极管,采用行业通用的SMA封装(DO-214AC),定位为高频、中功率整流场景的核心器件。该器件通过优化的半导体工艺设计,兼顾高速开关特性与可靠的电气性能,是小型化电源系统、车载电子等领域的常用选型。

二、核心电气参数详解

US1J的关键参数明确了其性能边界,具体如下:

  1. 正向压降(Vf):额定正向电流1A时,Vf为1.7V——平衡了导通损耗与开关速度,避免普通二极管“低Vf但慢恢复”或“快恢复但高Vf”的短板;
  2. 直流反向耐压(Vr):最大反向截止电压600V,可覆盖220V交流整流后滤波前的高压场景,反向偏置时无击穿风险;
  3. 持续整流电流(If):6A的持续正向电流,支持中功率负载(如小型电源输出端)的连续工作;
  4. 反向漏电流(Ir):600V反向偏置下仅5μA——低漏电流降低了待机功耗,适合能效要求高的应用;
  5. 反向恢复时间(Trr):75ns的超快恢复时间是核心优势,相比普通整流二极管(μs级),可显著减少高频开关损耗;
  6. 工作结温范围:-50℃~+150℃宽温区间,覆盖工业、车载甚至极端户外环境;
  7. 非重复峰值浪涌电流(Ifsm):30A耐受值,可抵御启动浪涌、雷击等瞬态冲击,提升系统可靠性。

三、封装特性与物理规格

US1J采用SMA表面贴装封装,具备以下设计优势:

  • 体积紧凑:典型尺寸约2.7mm×1.7mm×1.1mm,适配高密度PCB布局,满足小型化产品(如笔记本电源)需求;
  • 兼容性强:符合DO-214AC标准,可与同封装器件直接替换,简化设计迭代;
  • 散热适配:虽封装小巧,但结温上限达150℃,配合PCB铜箔优化可满足持续工作散热需求。

四、性能优势分析

  1. 高频适配性:75ns Trr支持100kHz以上高频开关电源,避免普通二极管因恢复慢导致的效率降低;
  2. 宽温可靠性:-50℃+150℃无需额外温度补偿,可在汽车(-40℃+125℃)、工业现场稳定工作;
  3. 抗冲击能力:30A浪涌耐受值,应对启动浪涌、负载突变等瞬态冲击,减少器件损坏;
  4. 能效优化:低漏电流+合理Vf,降低静态/动态功耗,提升系统整体能效;
  5. 生产适配:表面贴装工艺支持自动化生产,适合批量制造。

五、典型应用领域

US1J的参数特性使其适用于以下场景:

  • 开关电源:AC-DC转换器、DC-DC变换器的整流桥/续流二极管,提升转换效率;
  • 车载电子:车载充电器、ECU(电子控制单元)的整流电路,适应汽车宽温与浪涌环境;
  • 通讯设备:路由器、交换机电源模块,满足高频、低功耗需求;
  • 工业控制:小型PLC、伺服驱动器辅助电源,适应工业现场温度变化;
  • 消费电子:小型电源适配器、LED驱动电源的整流部分,兼顾紧凑性与可靠性。

六、总结

US1J是一款性能均衡的超快恢复整流二极管,在高频、宽温、中功率场景中优势明显,适合对效率、可靠性和小型化有要求的电子设计,是众多工业与消费类产品的高性价比选型。

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