WMSIC Electronic Components

Ymin LKMD1151E471MF

ModelLKMD1151E471MF
PackageThrough-hole, D8x L11.5mm
BrandYMIN
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
Ymin LKMD1151E471MF
Type
YMIN
Minimum package
500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YMIN
Electronic Component
LKMD1151E471MF
Electronic Component
1
Electronic Component
470uF
Package
Through-hole, D8x L11.5mm
Electronic Component
Through-hole Aluminum Electrolytic Capacitor
Electronic Component
±20%
Electronic Component
1.126g
Pitch
3.5mm
Electronic Component
1
Electronic Component
BM0227715923
Electronic Component
10000hrs@105℃
Current
1.33A@100kHz
Voltage
25V
Capacitor
8mm

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

LKMD1151E471MF直插铝电解电容产品概述

一、产品基本属性

LKMD1151E471MF是永铭电子(Ymin)推出的一款直插式铝电解电容,针对中低电压高频滤波、长寿命运行需求设计,采用插件封装,体积紧凑适配小型化PCB布局,广泛应用于工业控制、电源系统等场景,是高可靠性电容选型的典型代表。

二、核心技术参数详解

该电容的关键参数围绕“高频特性、长寿命、紧凑封装”核心设计,具体如下:

  1. 容值与精度:标称容值470μF,精度±20%,满足电子电路对电容容量的常规误差要求;
  2. 额定电压:25V直流额定电压,为安全工作提供合理裕量;
  3. 纹波与ESR:100kHz频率下,最大纹波电流1.33A,等效串联电阻(ESR)仅98mΩ——高频滤波能力优异,可有效抑制纹波干扰;
  4. 封装尺寸:电容体直径8mm、长度11.5mm,引脚间距3.5mm,属于小型化直插封装,节省PCB空间;
  5. 寿命特性:105℃高温环境下,工作寿命可达10000小时,远高于普通铝电解电容的寿命标准(通常为8000小时以下)。

三、性能优势分析

  1. 长寿命可靠性:105℃下10000小时的寿命指标,使其在高温持续运行场景中表现稳定,可降低设备维护频率(如工业控制设备的长期开机场景);
  2. 高频滤波能力:低ESR(98mΩ@100kHz)+高纹波电流(1.33A@100kHz)的组合,能有效抑制开关电源产生的高频纹波,提升电源输出质量;
  3. 紧凑封装适配:D8×L11.5mm的小型化体积,结合3.5mm引脚间距,适配机顶盒、路由器等消费电子的轻薄化设计,也能满足工业设备的紧凑布局需求;
  4. 宽温适应性:支持-40℃至105℃的工作温度范围(行业电解电容常规标准),可在高低温环境下稳定工作,适应不同地域和工况(如北方低温、南方高温)。

四、典型应用领域

  1. 开关电源(SMPS):作为输出滤波电容,抑制开关电路的高频纹波,提升电源效率与输出稳定性;
  2. 工业控制设备:PLC可编程控制器、变频器、伺服驱动器等的电源滤波/储能,适应工业环境的长周期运行;
  3. 消费电子:机顶盒、路由器、智能家电的电源模块,利用紧凑封装节省内部空间;
  4. 通信设备:基站电源、光传输设备的辅助滤波,满足通信系统对稳定供电的要求;
  5. 车载电子:车载充电器、车载信息娱乐系统(若符合车载认证),适应车内高温环境。

五、使用注意事项

  1. 电压降额:实际工作电压建议不超过额定电压的80%(即20V以内),避免过压加速电容老化;
  2. 纹波限制:电路纹波电流需控制在1.33A(100kHz)以内,防止电容过热失效;
  3. 焊接规范:焊接温度不超过260℃,焊接时间不超过10秒,避免高温损坏内部结构;
  4. 极性识别:直插铝电解为有极性电容,安装时需确认正负极与PCB焊盘匹配,严禁反接;
  5. 温度控制:尽量将工作温度控制在85℃以下,可进一步延长使用寿命。

总结

LKMD1151E471MF凭借长寿命、高频特性、紧凑封装等优势,成为工业控制、电源系统等领域的高性价比选型。永铭电子的品牌质量保障,使其在各类场景中表现稳定,是电子工程师电容选型的可靠选择。

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