WMSIC Electronic Components

TDK MLK1005SR12JT000

ModelMLK1005SR12JT000
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 MLK1005SR12JT000
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
MLK1005SR12JT000
Electronic Component
1
Package
0402
Electronic Component
SMD Inductor
Electronic Component
±5%
Electronic Component
0.012g
Inductor
120nH
Electronic Component
1
Factor
6@100MHz
Electronic Component
BM0262575919
Current
100mA
Frequency
1.1GHz
Resistor(DCR)
2.08Ω

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

TDK MLK1005SR12JT000 贴片电感产品概述

TDK作为全球被动元件领域的核心供应商,其MLK1005SR12JT000是一款专为射频及高频电路设计的0402封装贴片电感,凭借紧凑体积、稳定电气性能及工业级可靠性,广泛适配便携电子、无线通信等小型化场景。以下从核心参数、封装工艺、性能优势、应用场景及注意事项展开详细概述。

一、产品核心参数与规格

MLK1005SR12JT000的参数经过精准设计,满足多数高频电路的匹配与滤波需求,核心参数如下:

  • 电感值:标称120nH,精度±5%,该精度范围可覆盖一般射频电路的匹配误差要求,批量生产中无需额外校准即可保证电路性能一致性;
  • 额定电流:100mA(直流),指电感在额定温度下(通常为25℃)电感值变化≤10%的最大直流电流,实际应用需避免超过此值,防止电感饱和;
  • 直流电阻(DCR):2.08Ω,直接影响电感的直流功耗,在100mA工作电流下,功耗仅为0.0208W,对低功耗便携设备友好;
  • 品质因数(Q值):6@100MHz,Q值反映电感储能与损耗的比值,该值越高则射频信号损耗越小,100MHz频段的Q值表现适配蓝牙、FM等中频射频应用;
  • 自谐振频率(SRF):1.1GHz,电感在该频率下呈纯阻性,低于此频率时表现为感性,高于则呈容性,需注意工作频率需控制在1.1GHz以下;
  • 封装与品牌:采用0402英制封装(1.0mm×0.5mm),由TDK原厂生产,具备严格的质量管控与参数一致性。

二、封装与工艺特点

MLK1005SR12JT000采用0402超小封装,是便携设备高密度布局的理想选择,工艺上具备以下优势:

  1. 体积紧凑:封装尺寸仅为1.0mm(长)×0.5mm(宽)×0.5mm(高),可有效节省PCB空间,适配智能手表、无线耳机等小型化设备的密集布线;
  2. 高精度制造:TDK采用薄膜叠层工艺,通过精准控制电感绕组的层数与线宽,保证批量产品的电感值偏差远低于标称±5%,一致性优异;
  3. 贴装兼容性:符合IPC标准的焊盘设计,可适配回流焊、波峰焊等主流表面贴装工艺,焊接过程无需特殊处理,适合自动化生产流水线。

三、电气性能优势

该电感针对高频应用优化,核心性能优势体现在:

  • 低损耗射频表现:100MHz频段Q值达6,相比普通电感可降低射频信号的插入损耗,提升蓝牙、WiFi等无线模块的传输效率与信号稳定性;
  • 宽温域稳定性:在-40℃至+85℃的工作温度范围内,电感值变化≤±10%,满足工业环境与消费电子的温度适应性需求;
  • 低功耗设计:2.08Ω的DCR在小电流场景(如无线传感器节点)下可有效减少直流损耗,延长电池续航时间。

四、典型应用场景

MLK1005SR12JT000的性能匹配多类高频电路需求,典型应用包括:

  1. 便携无线设备:智能手表、无线耳机的蓝牙射频前端滤波/匹配电路,GPS接收机的L1频段(1.575GHz以下)信号调理;
  2. 物联网模块:工业物联网传感器节点的WiFi/蓝牙通信模块,ZigBee无线链路的阻抗匹配;
  3. 消费电子:智能手机的FM收音机电路、平板电脑的无线充电辅助电路;
  4. 汽车电子:胎压监测系统(TPMS)的射频模块、车载蓝牙的信号滤波电路。

五、选型与应用注意事项

为保证电路性能与可靠性,应用时需注意以下几点:

  1. 电流限制:实际工作直流电流需≤100mA,若电流过大可能导致电感饱和,使电感值下降、损耗增加,影响电路性能;
  2. 频率范围:工作频率需控制在1.1GHz以下,若应用于2.4GHz频段(如WiFi),需搭配电容等元件调整阻抗特性,避免电感呈容性;
  3. 焊接工艺:0402封装需注意回流焊温度(峰值温度≤245℃,时间≤30s),避免热损伤导致参数漂移;
  4. 批量一致性:TDK的批量产品参数一致性好,无需对单颗电感进行校准,可提升生产效率与产品良率。

综上,TDK MLK1005SR12JT000凭借紧凑封装、稳定性能与高可靠性,是高频电路中射频匹配、滤波的理想选择,尤其适合便携设备与物联网领域的小型化设计需求。

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