WMSIC Electronic Components

muRata LQW15CNR22J10D

ModelLQW15CNR22J10D
Package0402
BrandmuRata
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

18 specifications

Core information

Product name
mu Rata LQW15CNR22J10D
Type
MURATA
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MURATA
Electronic Component
LQW15CNR22J10D
Electronic Component
1
Package
0402
Electronic Component
Power Inductor
Electronic Component
±5%
Electronic Component
0.015g
Inductor
220nH
Electronic Component
1
Electronic Component
BM0259364961
Current
450mA
Resistor(DCR)
470mΩ
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.

村田LQW15CNR22J10D绕线电感器产品概述

村田(muRata)LQW15CNR22J10D是一款专为小型化、低功耗电子设备设计的无屏蔽绕线电感器,凭借紧凑的0402封装、稳定的电感特性及优异的高频性能,广泛应用于便携电子、无线通信等领域。以下从核心参数、物理特性、应用场景等维度展开概述:

一、产品核心参数

该电感的关键性能参数清晰明确,满足多数工业及消费电子应用的基础需求:

  • 电感值:220nH(纳亨),覆盖中频/射频常用电感量范围,适配信号匹配、滤波等场景;
  • 精度等级:±5%(标识为“J”档),符合村田电感的标准精度规格,可避免因电感偏差导致的电路性能波动;
  • 额定电流:450mA(毫安),指电感连续工作时温升不超过村田规定阈值(通常≤40℃)的最大电流,实际使用建议适当降额以延长寿命;
  • 直流电阻(DCR):最大470mΩ(毫欧),低电阻设计可减少功率损耗,提升电池供电设备的续航能力;
  • 封装规格:0402英寸(对应公制1005尺寸,即1.0mm×0.5mm),为超小型表面贴装封装,适配高密度电路板;
  • 结构类型:无屏蔽绕线式,绕线工艺保证电感值稳定性,无屏蔽设计进一步缩小体积。

二、封装与物理特性

LQW15CNR22J10D采用0402超小型封装,是村田绕线电感系列中的紧凑型号,物理特性如下:

  • 尺寸小巧:1.0mm×0.5mm的贴装尺寸,可在每平方厘米电路板上贴装数十个,完美适配智能手机、智能手表等便携设备的狭小空间;
  • 绕线工艺:采用高精度漆包线绕制,线径与匝数严格匹配220nH电感值,相比叠层电感,绕线结构在高频下的Q值(品质因数)更高,信号损耗更低;
  • 无屏蔽设计:未添加磁屏蔽层,虽存在轻微漏磁,但可将封装体积压缩至最小,适合对磁干扰不敏感的电路(如射频前端非关键路径)。

三、典型应用场景

该电感的性能与封装特性决定了其主要应用于小型化、高频化的电子设备,核心场景包括:

  1. 便携智能设备:智能手机、智能手表、无线耳机的射频前端滤波、蓝牙/WiFi模块的信号匹配网络,利用小体积适配设备内部紧凑布局;
  2. 无线通信模块:低功耗蓝牙(BLE)、NFC、2.4GHz ISM频段通信模块的电感元件,满足高频信号传输的阻抗匹配需求;
  3. 小型消费电子:智能手环、便携式蓝牙音箱的电源滤波电路,低DCR特性减少电源损耗,提升续航;
  4. 工业小型传感器:物联网(IoT)终端的传感器信号调理电路,稳定的电感特性保证信号精度。

四、性能优势与设计价值

相比同类产品,LQW15CNR22J10D具备以下设计优势:

  • 小体积高密度:0402封装支持高密度贴装,满足便携设备的小型化趋势,帮助工程师优化电路板空间;
  • 低功耗低损耗:470mΩ的最大DCR可将直流功率损耗控制在较低水平(如450mA电流下损耗约0.094W),适合电池供电设备;
  • 高频性能优异:绕线结构在100MHz~1GHz频段内Q值较高,可有效提升射频信号的传输效率,减少信号失真;
  • 可靠性稳定:村田的绕线工艺及耐高温漆包线选型,保证电感在-40℃~+85℃工作温度范围内性能稳定,符合工业级可靠性要求。

五、使用注意事项

为确保电路性能与产品寿命,设计与使用时需注意以下要点:

  1. 电流降额:建议实际工作电流不超过额定电流的70%80%(即315mA360mA),避免长时间满额电流导致电感温升过高,影响线包绝缘寿命;
  2. 磁干扰规避:无屏蔽设计存在轻微漏磁,若周围电路对磁干扰敏感(如高精度模拟电路),需与该电感保持至少1mm以上距离,或选择屏蔽型电感(如LQW15CNR22J00D);
  3. 贴装工艺:0402封装对贴装精度要求较高,需使用高精度贴片机,避免焊盘偏移、锡桥等缺陷;
  4. 温度适应性:极端温度(如-55℃以下或+105℃以上)场景需提前验证性能,村田标准品的工作温度范围为-40℃~+85℃,特殊场景需定制。

综上,村田LQW15CNR22J10D是一款平衡了体积、性能与成本的无屏蔽绕线电感器,适用于多数小型化、低功耗电子设备的电感需求,是便携电子、无线通信领域的常用选型。

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