WMSIC Electronic Components

TDK MLF1005G1R0KT000

ModelMLF1005G1R0KT000
Package0402
BrandTDK
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

20 specifications

Core information

Product name
TDK MLF1005G1R0KT000
Type
TDK
Unit
Electronic Component
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
TDK
Electronic Component
MLF1005G1R0KT000
Electronic Component
1
Package
0402
Type
Inductor
Electronic Component
SMD Inductor
Electronic Component
±10%
Electronic Component
0.012g
Inductor
1uH
Electronic Component
1
Factor
30@10MHz
Electronic Component
BM0227299022
Current
40mA
Frequency
120MHz

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

TDK MLF1005G1R0KT000 贴片叠层电感产品概述

TDK作为全球电子元器件领域的核心供应商,其MLF1005G1R0KT000是一款针对小尺寸、高频低功耗场景优化的贴片叠层电感,广泛适配便携电子、IoT设备等高密度电路设计需求,以紧凑封装实现稳定的性能表现。

一、产品核心身份与定位

MLF1005G1R0KT000属于TDK叠层电感系列,型号命名清晰对应核心参数:

  • 1005:公制封装尺寸(1.0mm×0.5mm),即英制0402封装;
  • 1R0:标称电感值1μH;
  • K:电感精度±10%;
  • T000:TDK内部规格标识。

该产品定位为小电流高频适用型电感,聚焦对体积、功耗敏感的场景(如智能穿戴、蓝牙模块),以叠层工艺平衡“小尺寸”与“高频性能”,适配自动化SMT生产。

二、关键性能参数详解

各参数直接决定应用边界,需结合场景理解其意义:

1. 电感值与精度

标称电感值1μH,精度±10%(实际范围0.9μH~1.1μH)。该精度满足绝大多数消费电子、IoT设备的滤波、匹配需求,无需额外校准,降低电路设计复杂度。

2. 额定电流

允许持续通过的最大直流电流40mA。若超过此值,电感磁芯会饱和,电感值急剧下降(可能降至标称值50%以下),导致电路失效。此参数精准匹配低功耗设备(如智能手环、传感器节点)的电流需求。

3. 直流电阻(DCR)

直流电阻450mΩ,反映内部导线损耗。工作电流40mA时,功耗仅(I^2R=(0.04A)^2×0.45Ω=0.72mW),低功耗特性可延长电池供电设备的续航时间。

4. 品质因数(Q值)

10MHz频率下Q值30。Q值是“储能/损耗”比值,Q值越高效率越高。30的Q值使该电感在射频(RF)、中频(IF)电路中表现优异,适合信号滤波、阻抗匹配。

5. 自谐振频率(SRF)

自谐振频率120MHz。电感本质是“电感+寄生电容”,当频率达SRF时,电感与寄生电容谐振,失去电感特性。因此,有效应用频率需低于120MHz,常见于10MHz~100MHz的通信、滤波场景。

三、封装与工艺特点

MLF1005G1R0KT000采用0402贴片封装(体积1.0mm×0.5mm×0.5mm),核心优势源于叠层工艺:

  1. 体积紧凑:相比绕线电感体积缩小30%以上,适配智能手机、智能手表等内部空间紧张的设计;
  2. 一致性优异:多层陶瓷叠层技术避免绕线松动,批量生产时电感值偏差极小;
  3. 耐焊接性好:可承受回流焊峰值温度(260℃),适合SMT自动化生产;
  4. 抗振性强:无绕线结构,抗振动、冲击性能优于绕线电感,适合移动设备的振动环境。

四、典型应用场景

结合参数特性,该电感主要应用于以下领域:

1. 便携电子设备

  • 智能手机/智能手表:蓝牙、WiFi模块的射频滤波,电源管理模块的小电流滤波;
  • 无线耳机:充电盒电源噪声滤波,音频路径的EMI抑制。

2. 低功耗IoT设备

  • 传感器节点(温湿度、运动传感器):电源电路滤波,确保传感器信号稳定;
  • BLE模块:天线匹配网络、射频信号滤波,提升通信稳定性。

3. 小型通信模块

  • 2.4GHz ISM频段模块:阻抗匹配,优化信号传输效率;
  • 中频电路:杂波滤波,提升电路信噪比。

五、选型与使用注意事项

为确保性能稳定,使用时需注意:

  1. 电流限制:实际电流不得超过40mA,若需更大电流,可选额定电流100mA的同系列产品;
  2. 频率范围:应用频率需低于120MHz,120MHz以上场景需更换高频电感;
  3. 焊接工艺:0402封装对焊接精度要求高,需参考TDK官方回流焊曲线,避免虚焊;
  4. 精度匹配:±10%精度满足一般需求,高要求场景可选择±5%精度的NLC系列;
  5. 环境适应性:工作温度-40℃~+85℃,避免极端温湿度环境长期使用。

综上,TDK MLF1005G1R0KT000以小体积、低功耗、高频性能优异的特点,成为便携电子、IoT等领域小电流高频电路的理想选择,适配高密度PCB设计与自动化生产需求。

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