WMSIC Electronic Components

TAIYO YUDEN LMK105B7224KVHF

ModelLMK105B7224KVHF
Package0402
BrandTAIYO YUDEN
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
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Configuration 25+

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Technical data

Product details

18 specifications

Core information

Product name
TAIYO YUDEN LMK105B7224KVHF
Type
0402
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TAIYO YUDEN
Electronic Component
LMK105B7224KVHF
Electronic Component
1
Electronic Component
220nF
Package
0402
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.011g
Electronic Component
1
Electronic Component
BM0266014809
Electronic Component
X7R
Voltage
10V
Electronic Component
Electronic Component
Electronic Component
10000

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

LMK105B7224KVHF 多层陶瓷贴片电容(MLCC)产品概述

LMK105B7224KVHF是TAIYO YUDEN(太诱) 推出的一款常规商业级多层陶瓷贴片电容(MLCC),针对小型化、低压电子电路设计,具备容值稳定、可靠性高、封装紧凑等特点,广泛应用于便携式电子、消费电子等领域。

一、产品基本属性

该型号属于太诱常规MLCC系列,核心定位为通用型滤波、储能元件,无极性设计,支持表面贴装工艺(SMT),适合自动化批量生产。其基础特征可总结为:

  • 品牌:TAIYO YUDEN(太诱)
  • 类型:多层陶瓷贴片电容(MLCC)
  • 封装:0402(英制)/1005(公制,即1.0mm×0.5mm)
  • 包装:标准卷带包装(通常为8mm宽,符合EIA标准)

二、核心技术参数详解

LMK105B7224KVHF的关键参数完全匹配通用低压电路的设计需求,具体如下:

1. 容值与精度

  • 标称容值:220nF(224)(注:容值代码“224”表示22×10⁴ pF=220,000 pF=220nF)
  • 精度等级:±10%(K级),属于行业通用精度,可满足大多数非精密电路的滤波、耦合需求。

2. 额定电压与极性

  • 额定电压:10V DC,适用于低压供电电路(如3.3V、5V系统的辅助滤波),无极性设计,安装时无需区分正反。
  • 电压降额建议:实际工作电压建议不超过额定电压的80%(即8V以内),避免长期过压导致性能衰减。

3. 温度系数与工作温度范围

  • 温度系数:X7R,这是MLCC常用的中温稳定型介质材料,其定义为:
    • 工作温度范围:-55℃ ~ +125℃
    • 容值变化率:在全温度范围内,容值偏差不超过**±15%**
  • 相比Y5V等低压高容介质,X7R的温度稳定性更优,适合宽温环境下的电路。

4. 封装尺寸

  • 封装规格:0402(英制),对应公制尺寸1.0mm(长)×0.5mm(宽)×0.5mm(厚)(典型值),符合EIA-481标准,是小型化电子设备的常用封装。

三、材料与结构特点

LMK105B7224KVHF采用太诱成熟的MLCC制造工艺,核心结构与材料特性如下:

1. 多层陶瓷介质结构

采用钛酸钡基陶瓷介质(X7R类型),通过多层叠层工艺制备,相比单层电容,大幅提升了单位体积的容值密度,同时优化了温度稳定性。

2. 内电极与外电极

  • 内电极:采用镍(Ni)基合金,与陶瓷介质兼容性好,避免氧化问题;
  • 外电极:通常为Ni/Sn镀层(部分批次可能采用抗硫化镀层),确保焊接可靠性,符合RoHS环保标准,且耐回流焊温度(最高260℃,符合J-STD-020标准)。

3. 小型化设计优势

0402封装的紧凑尺寸,可有效减少电路板面积,提升产品集成度,适合便携式设备的高密度布局。

四、典型应用场景

基于该型号的参数特性,其主要应用于以下场景:

1. 便携式电子设备

  • 智能手机、智能手环、蓝牙耳机等:用于电源滤波(如电池供电电路的去耦)、信号耦合(如音频电路);
  • 小型穿戴设备:因封装小、容值稳定,适合低功耗电路的辅助储能。

2. 消费电子终端

  • 电视、机顶盒、路由器:用于电源模块的滤波(如DC-DC转换电路的输出滤波)、信号线路的去耦;
  • 智能家居设备:如智能音箱、传感器节点的低电压电路。

3. 工业控制辅助电路

  • 小型传感器模块、低功耗控制器:用于模拟信号滤波、数字电路的电源去耦,满足宽温环境需求(-55℃~+125℃)。

五、可靠性与环境适应性

LMK105B7224KVHF通过太诱严格的可靠性测试,符合行业标准,具体表现为:

1. 耐环境性能

  • 温度循环:通过-55℃~+125℃ 1000次循环测试,容值变化率≤±10%;
  • 耐湿性:符合IEC 60068-2-67(湿热试验),24小时后焊接性能无异常;
  • 抗振动/冲击:符合MIL-STD-202标准,振动(10~2000Hz,1.5g)、冲击(1500g,0.5ms)后性能稳定。

2. 焊接可靠性

  • 回流焊兼容性:支持无铅回流焊(260℃峰值温度,3次回流),焊接后无虚焊、立碑等缺陷;
  • 手工焊注意:若需手工焊,温度需控制在350℃以内,焊接时间≤3秒。

3. 寿命与稳定性

  • 额定条件下(25℃,5V DC),寿命可达10年以上;
  • 长期存储:常温干燥环境(温度≤30℃,湿度≤60%)下,存储时间≤2年,受潮后需按标准烘烤(120℃,24小时)。

六、选型与使用注意事项

为确保电路性能与产品可靠性,使用时需注意以下要点:

1. 容值余量设计

因X7R介质在高温下容值会有±15%变化,设计时需预留10%~20%的容值余量,避免极端温度下性能衰减。

2. 电压降额

严禁在超过10V DC的电压下长期工作,建议实际工作电压≤8V,避免过压导致介质击穿。

3. 焊接工艺控制

  • 优先采用回流焊,避免手工焊的温度波动;
  • 焊接前需确认电容无受潮,若受潮需烘烤处理。

4. 机械应力控制

0402封装尺寸小,机械强度有限,焊接后避免过度弯折电路板,防止电容开裂。

LMK105B7224KVHF作为太诱常规系列的核心型号,凭借其稳定的性能、紧凑的封装和高可靠性,是低压小型化电子电路的理想选择,广泛适配各类消费电子与便携式设备的设计需求。

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