WMSIC Electronic Components

TDK MHQ1005P4N7BT000

ModelMHQ1005P4N7BT000
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 MHQ1005P4N7BT000
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
MHQ1005P4N7BT000
Electronic Component
1
Package
0402
Type
Inductor
Electronic Component
SMD Inductor
Electronic Component
0.012g
Inductor
4.7nH
Electronic Component
1
Factor
23@250MHz
Electronic Component
BM0058410740
Current
800mA
Frequency
5GHz
Resistor(DCR)
80mΩ

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

MHQ1005P4N7BT000 产品概述

一 产品简介

MHQ1005P4N7BT000 为 TDK 出品的叠层陶瓷贴片电感,封装标称 0402(公制 1005)。标称电感值 4.7 nH,属于小电感值、高自谐频率的射频/高频用元件,适合用于射频匹配、阻抗调节及电源注入/滤波等场合。器件结构为多层陶瓷体,体积极小,适合集成度高的移动终端、无线模块及射频前端电路。

二 主要参数

  • 电感值:4.7 nH
  • 额定直流电流:800 mA(工作电流上限,建议留有裕量)
  • 直流电阻(DCR):典型 ≈ 80 mΩ(资料中亦见 110 mΩ 的标注,设计时请以所购批次数据表为准)
  • 品质因数 Q:23(测量条件 250 MHz)
  • 自谐振频率(SRF):约 5 GHz
  • 温度范围:-55 ~ +125 °C
  • 封装/类型:SMD 0402,叠层陶瓷电感

三 特性与优点

  • 高频性能良好:Q 值在 VHF/UHF 频段保持较高水平,SRF 高达 GHz 级,可覆盖绝大多数射频应用频段。
  • 小体积高功率密度:0402 小封装适合空间受限的设计,同时额定电流达 800 mA,能满足一定直流偏置要求。
  • 低直流电阻:典型 DCR 较低,I^2R 损耗小(以 0.8 A 和 80 mΩ 估算,功耗约 51 mW;若按 110 mΩ 则约 70 mW)。
  • 温度稳定性好:工作温度范围宽,适应工业级温度环境。

四 典型应用

  • 射频匹配网络(输入/输出匹配、谐振回路)
  • 射频滤波与谐振器(阻带/带通网络的无源元件)
  • 偏置注入(Bias‑T)与射频前端的直流供给路径
  • EMI/RFI 抑制及小信号旁路(配合电容构成阻隔或谐振)
  • 高速通信模块、蓝牙/Wi‑Fi/蜂窝前端及射频收发器

五 设计与使用建议

  • PCB 布局:尽量缩短引线长度,减小串联寄生电阻和电感;在匹配网络中靠近射频器件放置以降低走线影响。
  • 焊接工艺:遵循0402 封装的回流温度曲线,避免过度热循环导致可靠性下降。
  • 直流偏置影响:叠层陶瓷电感在高 DC 偏置下电感值会有一定变化,设计时应在目标偏置下验证实际电感值。
  • 温升与散热:按照实际 DCR 计算功耗并评估温升,必要时留有电流裕量以确保长期可靠性。
  • 机械防护:0402 体积小,贴装及波峰/回流后避免强烈机械应力与弯折。

六 选型与资料获取

具体电气特性(电感公差、典型频率响应曲线、封装与带卷信息、环境与可靠性测试数据)建议参考 TDK 官方数据表与样品测试结果。批次间 DCR 与电感微小差异可能存在,如对性能敏感,应索取样片进行实测验证。

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