WMSIC Electronic Components

TDK MHQ1005P12NGT000

ModelMHQ1005P12NGT000
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

19 specifications

Core information

Product name
TDK MHQ1005P12NGT000
Type
0402
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TDK
Electronic Component
MHQ1005P12NGT000
Electronic Component
1
Package
0402
Electronic Component
SMD Inductor
Electronic Component
±2%
Electronic Component
0.046g
Inductor
12nH
Electronic Component
1
Factor
23@250MHz
Electronic Component
BM0058430999
Current
450mA
Frequency
2.8GHz
Resistor(DCR)
240mΩ
Electronic Component
Electronic Component

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

MHQ1005P12NGT000 产品概述

一、产品简介

MHQ1005P12NGT000 为 TDK 推出的贴片电感,封装尺寸 0402(1005 公制),额定电感值 12 nH,公差 ±2%。该器件面向高频小体积电路设计,结合优秀的频率特性和高精度,使其适用于射频匹配、滤波以及小信号谐振电路等场合。

二、主要参数

  • 电感值:12 nH
  • 精度:±2%
  • 额定电流:450 mA(直流电流)
  • 直流电阻(DCR):240 mΩ
  • 品质因数(Q):23 @ 250 MHz
  • 自谐振频率(SRF):2.8 GHz
  • 封装:0402(1005 公制)
  • 封装形式:贴片(SMD),品牌:TDK

三、性能解析

  1. 精度 ±2%:适合对电感值稳定性有严格要求的调谐与匹配网络,减少因元件误差带来的频率偏移。
  2. Q 值 23(250 MHz):在 VHF/UHF 频段具有较好的能量存储与损耗性能,适合射频前端与滤波器设计。
  3. SRF 2.8 GHz:器件在自谐振频率以下表现为感性元件,建议工作频率在数百 MHz 至 1 GHz 范围内使用以保证线性与可预测性。
  4. DCR 较高(240 mΩ):在小封装下不可避免地引入较大的直流损耗,需在功率或电流敏感场合评估发热与压降影响;不建议用于大电流电源滤波场景。

四、典型应用

  • 射频匹配网络、天线馈线匹配
  • 带通/陷波滤波器的谐振元件
  • VCO、PLL 与本振负载元件
  • 高频耦合与阻抗变换场合
    注:若用于 EMI 抑制或电源滤波,应评估 DCR 与额定电流是否满足系统要求。

五、PCB 与封装注意事项

  • 0402 尺寸极小,需保证拾放设备与回流焊工艺可靠。
  • 建议采用厂家推荐的焊盘布局,避免过大或不对称焊盘导致爬锡或应力集中。
  • 焊接:遵循无铅回流温度曲线,避免超温或过长保温时间引起电感性能退化。
  • 走线:电感两端走线尽量短且宽,以降低寄生电阻与电感;对射频敏感电路保持良好接地与隔离。

六、可靠性与使用建议

  • 电流容限:450 mA 为额定直流电流,长期接近该值时应考虑温升与退磁风险,必要时做适度降额。
  • 频率使用:优先在 SRF 以下工作,并在目标频段进行实测以确认实际电感与 Q 值。
  • 温度与机械应力:小尺寸元件对 PCB 弯曲、清洗工艺较敏感,组装与测试流程需控制机械应力与化学腐蚀。

七、选型参考与替代建议

如需更低 DCR 或更高电流能力,可考虑同系列更大封装(0805/1206)或专用功率电感;若要求更高 Q 或工作频率接近 GHz 级,可选用专用 RF 电感或薄膜/线圈结构器件。MHQ1005P12NGT000 的优势在于极小封装与高精度,适合空间受限且对频率精度有要求的射频设计。

总结:MHQ1005P12NGT000 为一款高精度、适用于高频场合的小型贴片电感,适合射频匹配与谐振应用。在使用时注意 DCR 与额定电流的热耗影响,并遵循推荐的封装与焊接工艺以保证性能与可靠性。

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