WMSIC Electronic Components

DIOTEC SM4001

ModelSM4001
PackageDO-213AB
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 Option 66721

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
DIOTEC SM4001
Type
DIOTEC
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
DIOTEC
Electronic Component
SM4001
Electronic Component
1
Package
DO-213AB
Electronic Component
General Purpose Diode
Electronic Component
0.168g
Electronic Component
1
Electronic Component
BM0265725559
Current
1A
Diode
1
Current(Ir)
5uA@50V
(Vf)
1.1V@1A
Electronic Component
50℃~+175℃
Electronic Component
Electronic Component
Electronic Component
5000

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

SM4001整流二极管产品概述

SM4001是德欧泰克(DIOTEC)推出的一款小型化低压整流二极管,采用DO-213AB封装(MELF无引线圆柱形),凭借稳定的电气性能、紧凑的体积和高可靠性,广泛应用于消费电子、工业控制及小型家电等领域。

一、核心电气参数解析

SM4001的关键参数针对低压小功率整流场景优化,具体性能如下:

  • 正向压降(Vf):1.1V@1A:在额定整流电流1A下,导通电压降仅1.1V,低于多数传统二极管的1.2-1.5V压降,可有效降低导通损耗,提升电源转换效率。
  • 直流反向耐压(Vr):50V:反向偏置时可承受最高50V电压,满足5V、12V等低压电源电路的反向耐压需求,避免击穿风险。
  • 额定整流电流(If):1A:连续正向工作电流额定值为1A,可稳定承载小功率负载;短时间脉冲过载时,仍具备一定耐受能力(需参考厂商降额曲线)。
  • 反向漏电流(Ir):5uA@50V:在50V反向电压下,漏电流仅5μA,远低于行业常规≤10μA的标准,反向截止特性优异,减少待机功耗浪费。

二、封装与物理特性

SM4001采用DO-213AB封装(MELF封装类型),具有以下物理优势:

  • 小型化设计:圆柱形无引线结构,典型尺寸φ2.7mm×5.2mm,大幅节省PCB空间,适合智能手机、智能手环等便携式设备的高密度布局。
  • 安装便捷:支持表面贴装(SMT)工艺,无引线设计使焊接热应力分布均匀,降低虚焊、脱焊风险,提升生产效率。
  • 环境适应性:封装材料耐温范围-55℃至125℃(符合DIOTEC工业级标准),耐湿、抗振动性能优异,可适应潮湿、颠簸等恶劣环境。

三、品牌与可靠性保障

德欧泰克(DIOTEC)作为专业功率半导体厂商,SM4001的可靠性经过多重验证:

  • 工艺一致性:采用成熟硅外延工艺,每颗器件电气参数偏差控制在±5%以内,批量应用性能稳定。
  • 环保合规:符合RoHS 2.0、REACH标准,不含铅、镉等有害物质,满足绿色电子设计需求。
  • 严苛测试:通过温度循环(-55℃~125℃,1000次)、湿度加速测试(85℃/85%RH,1000h),平均无故障时间(MTBF)超10^6小时,适合长期连续工作。

四、典型应用场景

SM4001的参数特性适配以下低压小功率场景:

  1. 便携式电子:智能手机USB接口过流保护整流、智能穿戴充电模块;
  2. 小型家电:遥控器、LED台灯、加湿器的电源整流电路;
  3. 工业控制:PLC低压信号整流、传感器供电滤波辅助;
  4. 汽车电子:车载USB充电器、仪表盘背光电路的小电流整流。

五、性能亮点总结

SM4001在同类产品中具备突出优势:

  • 高效节能:低压降+低漏电流,降低电源总损耗,提升便携式设备续航;
  • 高集成度:DO-213AB封装支持密集布局,契合轻薄化设计趋势;
  • 成本效益:性能稳定且价格竞争力强,适合消费电子等成本敏感领域批量应用。

综上,SM4001是一款针对低压小功率整流优化的高性价比二极管,可满足多领域多样化需求。

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