WMSIC Electronic Components

TDK MHQ1005P18NJT000

ModelMHQ1005P18NJT000
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 25+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
TDK MHQ1005P18NJT000
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
MHQ1005P18NJT000
Electronic Component
1
Package
0402
Type
Inductor
Electronic Component
SMD Inductor
Electronic Component
±5%
Electronic Component
0.012g
Inductor
18nH
Electronic Component
1
Factor
22@250MHz
Electronic Component
BM0058430284
Current
260mA
Frequency
2.3GHz

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

TDK MHQ1005P18NJT000 叠层贴片电感产品概述

一、产品基本信息

TDK MHQ1005P18NJT000是一款针对高频电路优化的陶瓷叠层贴片电感,采用1006(对应英制0402)小型化封装,适配高密度PCB设计需求。产品核心参数清晰稳定,具体如下:

  • 电感值:18nH(纳亨)
  • 精度:±5%
  • 额定电流:260mA(连续工作,电感值变化≤10%)
  • 直流电阻(DCR):480mΩ(毫欧)
  • 品质因数(Q值):22@250MHz
  • 自谐振频率(SRF):2.3GHz

该型号属于TDK叠层电感系列,依托成熟的陶瓷叠层工艺,兼具高可靠性与高频性能,可满足多种电子设备的射频应用需求。

二、核心技术参数详解

1. 电感值与精度

电感值18nH为固定设计,±5%的精度覆盖了绝大多数射频电路的调谐、滤波需求——无需额外校准即可适配常规无线通信模块,降低电路设计复杂度。

2. 额定电流与直流电阻

  • 额定电流260mA:是电感在工作温度范围(典型-40℃~+85℃)内,电感值变化不超过10%的最大连续工作电流,可支撑中低功率高频电路的稳定运行。
  • DCR 480mΩ:直流电阻较低,减少了电感的功率损耗(P=I²R),尤其适合对功耗敏感的便携式设备,提升续航能力。

3. 品质因数(Q值)

Q值22@250MHz是电感储能能力与损耗的比值,数值越高表示损耗越低、储能效率越高。该参数表明电感在250MHz频段具有优异的射频性能,适用于调谐回路、阻抗匹配网络等场景。

4. 自谐振频率(SRF)

SRF为2.3GHz,是电感与自身寄生电容谐振的频率点。当工作频率远低于SRF时,电感表现为纯电感特性;接近SRF时特性会发生变化,因此该电感建议工作在1GHz以下(如WiFi 2.4GHz接近但需注意实际应用中避开SRF附近频段)。

三、典型应用场景

MHQ1005P18NJT000因高频性能优异、封装紧凑,广泛应用于以下领域:

  1. 无线通信模块:WiFi 6、蓝牙5.0/5.1、5G sub-6GHz(低频频段)的射频前端匹配网络、滤波电路;
  2. 便携式电子设备:智能手机、平板电脑、智能手表的天线匹配、电源滤波;
  3. 物联网(IoT)设备:传感器节点、智能家居设备的无线通信电路;
  4. 汽车电子:车载WiFi、蓝牙模块的射频部分(TDK叠层电感通常符合AEC-Q200标准,适配车规级可靠性需求)。

四、产品优势与特点

  1. 小型化封装:1006(0402)封装尺寸仅1.0mm×0.6mm,适配设备轻薄化趋势,满足高密度PCB设计;
  2. 高可靠性:陶瓷叠层工艺确保电感抗振动、抗冲击能力强,性能稳定,适合工业及汽车级环境;
  3. 低损耗设计:高Q值与低DCR结合,减少电路能量损耗,提升设备效率;
  4. 宽温适应性:工作温度范围-40℃~+85℃,可满足极端环境下的稳定运行;
  5. 环保合规:符合RoHS与REACH标准,适配全球市场需求。

五、选型与使用注意事项

  1. 频率限制:避免工作频率接近2.3GHz(SRF),建议工作在1GHz以下,确保电感特性稳定;
  2. 电流管控:连续工作电流不超过260mA,脉冲电流需参考TDK datasheet的脉冲曲线(通常脉冲电流可略高,但需控制占空比);
  3. 焊接工艺:采用回流焊,焊接峰值温度≤265℃,时间不超过10秒,避免损伤电感;
  4. 精度匹配:若需更高精度(如±1%),需选择TDK同系列高精度型号,该型号±5%已覆盖多数通用场景。

该产品凭借高频性能、小型化与可靠性,成为射频电路设计中的常用选择,适配多类电子设备的升级需求。

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