WMSIC Electronic Components

Ymin LKMC0901V121MF

ModelLKMC0901V121MF
Package6.3x9mm
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 LKMC0901V121MF
Type
YMIN
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YMIN
Electronic Component
LKMC0901V121MF
Electronic Component
1
Electronic Component
120uF
Package
6.3x9mm
Electronic Component
Through-hole Aluminum Electrolytic Capacitor
Electronic Component
±20%
Electronic Component
0.581g
Pitch
2.5mm
Electronic Component
1
Electronic Component
BM0265637839
Electronic Component
9000hrs@105℃
Current
550mA@100kHz
Voltage
35V
Capacitor
6.3mm

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

LKMC0901V121MF 直插铝电解电容产品概述

一、产品基本定位与核心参数

LKMC0901V121MF是永铭(Ymin)品牌推出的径向直插铝电解电容,专为低压直流电路的滤波、耦合与旁路设计,属于小型化、高可靠性的通用型电解电容。其核心参数清晰明确:

  • 标称容值:120μF(型号中“121”为容值代码,即12×10¹=120μF);
  • 容值精度:±20%,满足工业与消费电子领域的常规误差要求;
  • 额定电压:35V DC,适配12V、24V等低压直流系统,留有充足安全余量;
  • 关键性能参数:550mA@100kHz纹波电流、280mΩ@100kHz等效串联电阻(ESR),兼顾纹波抑制与发热控制。

二、关键性能指标解析

  1. 容值与精度:120μF±20%的容值范围,覆盖了多数低压电路的滤波需求(如电源输出端的低频纹波抑制),精度设计平衡了成本与实用性,无需额外校准即可满足常规应用。
  2. 额定电压:35V DC的额定值,可兼容12V、24V等主流低压电源(含纹波峰值),避免过压击穿风险,延长使用寿命。
  3. 纹波电流与ESR:
    • 纹波电流能力:550mA@100kHz,意味着电容可承受中等功率电路中的交流纹波(如开关电源的开关频率段),避免因纹波过载导致发热损坏;
    • ESR特性:280mΩ@100kHz,低ESR有助于降低电容自身的功率损耗(P=I²·ESR),同时提升纹波抑制效果,减少输出电压波动。
  4. 频率适应性:参数明确给出100kHz下的性能,说明在中高频段(开关电源常见频率范围)性能稳定,适配开关电源、DC-DC转换器等高频应用场景。

三、封装与物理特性

LKMC0901V121MF采用径向引线直插封装,物理尺寸紧凑,适合小型化电路设计:

  • 电容体规格:直径Φ6.3mm,长度9mm,属于小型电解电容的典型尺寸;
  • 引脚间距:2.5mm,与常规插件电容引脚间距一致,可直接兼容多数PCB板的焊盘设计;
  • 引脚类型:标准直插铜引脚,焊接可靠性高,支持手工焊接、波峰焊等常规工艺。

四、典型应用场景

该电容因尺寸小、性能均衡,广泛适配以下场景:

  1. 消费电子:机顶盒、路由器、智能音箱等小型家用设备的电源滤波与耦合;
  2. 小型家电:加湿器、电动牙刷、小型厨房电器的控制电路电源模块;
  3. 工业控制:小型PLC模块、传感器节点、微型电机驱动电路的辅助滤波;
  4. LED驱动:低压LED灯带、小型LED显示屏的开关电源滤波;
  5. 通信设备:小型基站、无线AP的电源子系统滤波。

五、可靠性与寿命表现

  1. 工作寿命:9000小时@105℃高温环境,说明在高温工况下(如靠近电源模块、功率器件的布局)仍能保持稳定性能,寿命优于多数普通电解电容;
  2. 耐温范围:支持-40℃~105℃的宽温工作(铝电解常规范围,符合永铭品牌的工艺标准),可适配低温环境(如户外传感器)与高温环境;
  3. 稳定性:采用永铭成熟的电极与电解液配方,长期使用下容值衰减、ESR上升速率低,减少电路性能漂移风险。

六、选型与使用注意事项

  1. 电压匹配:电路实际工作电压(含纹波峰值)需低于35V,建议留有20%以上余量(如实际12V电路,35V额定值可提供充足安全裕度);
  2. 纹波电流匹配:电路中交流纹波电流的峰值需低于550mA@100kHz,若纹波频率偏离100kHz,需参考厂商提供的“频率-纹波电流曲线”(常规电解电容纹波电流随频率升高而增加);
  3. 焊接要求:手工焊接温度≤260℃,时间≤10秒;波峰焊温度≤240℃,避免高温损坏电容;
  4. 极性注意:铝电解电容为极性器件,安装时需确认正负极与电路匹配,反接会导致电容损坏甚至爆炸;
  5. 温度限制:避免长期工作在105℃以上,否则寿命会急剧下降(每升高10℃,电解电容寿命约减半)。

综上,LKMC0901V121MF是一款性能均衡、可靠性高的小型直插铝电解电容,适配多数低压直流电路的滤波需求,是消费电子、小型工业设备的理想选型。

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