WMSIC Electronic Components

LRC HFM103

ModelHFM103
PackageSMA
BrandLRC
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
LRC HFM103
Type
LRC
Minimum package
7500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
HFM103
Electronic Component
1
Package
SMA
Electronic Component
General Purpose Diode
Electronic Component
0.11g
Electronic Component
1
Electronic Component
BM0264467665
Current
1A
Diode
1
Current(Ir)
5uA
(Vf)
1V
Electronic Component
Electronic Component
Electronic Component
7500
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.

HFM103通用二极管产品概述

一、产品核心定位与品牌背景

HFM103是乐山无线电股份有限公司(LRC) 推出的通用型整流二极管,属于中小功率分立器件范畴,主要面向需要基础整流、续流、钳位功能的电子电路设计。LRC作为国内半导体行业老牌企业,拥有超50年分立器件研发生产经验,产品以可靠性高、一致性好、供货稳定著称,广泛覆盖消费电子、工业控制、家电等领域。HFM103依托LRC工艺积累,在满足基础性能需求的同时兼顾成本效益,适合批量应用场景。

二、关键电气参数解析

HFM103的核心参数明确了应用边界与性能特点,具体解析如下:

  1. 正向压降(Vf):额定电流(1A)下正向压降为1V,参数稳定,可有效控制整流导通损耗,避免压降波动导致的发热异常;
  2. 直流反向耐压(Vr):最大反向耐压200V,可承受峰值≤200V的反向电压(如120V交流电源峰值约169V,完全覆盖),满足多数低压整流场景的反向保护需求;
  3. 整流电流(Io):持续整流电流能力1A,支持输出功率≤1W(如5V输出可覆盖200mA)的小功率电源整流;
  4. 反向漏电流(Ir):额定反向电压(200V)下漏电流仅5uA,漏电流极小,反向截止时功耗低,可降低电路待机损耗,提升反向耐压可靠性;
  5. 独立式结构:封装内仅1个独立二极管,电路设计简单,无需考虑多管匹配问题,便于快速集成。

三、封装形式与物理特性

HFM103采用SMA封装(DO-214AC),是主流表面贴装封装之一,具备以下特点:

  1. 体积紧凑:封装尺寸约2.7mm(长)×3.0mm(宽)×1.5mm(高),显著节省PCB空间,适配高密度电路设计;
  2. 生产适配性:表面贴装结构兼容自动化贴片生产线,实现高效批量生产,降低人工成本;
  3. 散热性能:引脚与散热面设计满足1A持续电流的散热需求,避免过热导致的性能衰减;
  4. 引脚兼容性:标准SMA引脚间距与布局,兼容多数主流元器件封装,无需特殊PCB设计。

四、典型应用场景

结合参数与封装特点,HFM103的典型应用包括:

  1. 小功率开关电源整流:手机充电器、小型USB适配器的低压整流环节,1A电流满足基础功率需求,SMA封装适配小型化设计;
  2. LED照明驱动续流:LED驱动电路中,低漏电流避免续流损耗,200V耐压覆盖多数室内LED驱动的反向电压范围;
  3. 家电控制电路:洗衣机、微波炉、空调控制板的电源整流、过压钳位,LRC可靠性适配家电长期使用;
  4. 工业低压模块:PLC、传感器接口电路的基础整流、保护,SMA封装适配工业设备高密度PCB;
  5. 消费电子辅助电路:蓝牙耳机充电盒、智能手表充电器的整流环节,体积小、成本低符合小型化需求。

五、产品优势总结

HFM103的核心优势体现在:

  1. 性能稳定:低漏电流(5uA)与稳定Vf(1V@1A),长期使用无明显衰减,满足工业/消费电子可靠性要求;
  2. 封装适配性强:SMA贴装兼容自动化生产,节省空间,适配多数电路设计;
  3. 品牌与供货:LRC老牌厂商背书,产品一致性好,供货周期可控,适合批量采购;
  4. 成本效益:通用型设计满足基础场景,性价比高于同类高端产品,降低项目成本。

HFM103作为LRC的经典通用二极管,以平衡的性能与成本优势,成为中小功率电路设计的可靠选择。

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