WMSIC Electronic Components

muRata LQP03HQ1N8B02D

ModelLQP03HQ1N8B02D
Package0201
BrandmuRata
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

19 specifications

Core information

Product name
mu Rata LQP03HQ1N8B02D
Type
MURATA
Minimum package
15000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MURATA
Electronic Component
LQP03HQ1N8B02D
Electronic Component
1
Package
0201
Type
Inductor
Electronic Component
SMD Inductor
Electronic Component
0.008g
Inductor
1.8nH
Electronic Component
1
Factor
20@500MHz
Electronic Component
BM0259012922
Current
800mA
Frequency
10GHz
Resistor(DCR)
80mΩ
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.

LQP03HQ1N8B02D 产品概述

一、产品简介

LQP03HQ1N8B02D 为村田(muRata)系列小型厚膜电感器,标称电感量为 1.8 nH。该器件为无屏蔽设计、超小型表面贴装封装(0201,用户资料标注为 0603-公制),针对高频信号路径与射频/高速数字应用进行了优化。凭借自谐振频率高达 10 GHz 以及在 500 MHz 时的品质因数约 20,本件元器件适合在 GHz 级频段中作为射频匹配、阻断/隔离以及阻抗调节元件使用。

二、主要电气参数

  • 电感值:1.8 nH
  • 额定电流(Isat 类似限制值):800 mA
  • 直流电阻(DCR):最大 80 mΩ
  • 品质因数(Q):20 @ 500 MHz
  • 自谐振频率(SRF):约 10 GHz
  • 结构类型:无屏蔽、厚膜电感
  • 封装:0201(资料备注 0603-公制)
    以上参数为典型/规格上限值,实际设计中请以村田官方数据手册为准并参考典型频率响应曲线。

三、产品特点与优势

  • 高频性能优异:高 SRF(≈10 GHz)使其在数 GHz 频段仍能维持电感特性,适用于射频电路及高速信号链。
  • 低直流电阻:最大 80 mΩ,有助于降低直流损耗与热量产生,对于 800 mA 的工作电流等级可保持较低功耗(约 50 mW 级别,视实际电流而定)。
  • 小型化封装:0201 小体积利于高密度电路板布局,适合便携设备和空间受限的射频模块。
  • 无屏蔽设计:在需要封装电感与外部电路互耦的场合有优势,但在对磁干扰或耦合敏感的设计中需注意邻近器件的布局。

四、典型应用场景

  • 射频前端:匹配网络、阻断电感(RF choke)、阻抗调整元件。
  • 高频滤波:与电容配合构成高频滤波、带阻或带通结构。
  • 电源滤波:作为偏置电路或去耦电感(在 GHz 以下或用于抑制高频噪声)。
  • 高速数字链路:用于串扰控制、共模/差模滤波与信号完整性调节。
    具体应用需结合频域特性与布局优化,保证在目标频率范围内的表现。

五、布局与装配建议

  • 封装极小,焊盘设计应最大程度减少端点到走线的距离,避免过长的过孔或走线引入寄生电感与电阻。
  • 对于高频路径,尽量采用短、小数量的焊盘过渡,并保持回流走线的阻抗控制与参考地连续性。
  • 由于无屏蔽结构,器件附近敏感节点(如高增益放大器输入)应适当保持间距,或采取地隔离、屏蔽板等措施。
  • 装配时按制造商建议的回流焊温度曲线进行,避免过度机械应力与热循环导致性能退化。建议在设计阶段参阅村田官方焊接与可靠性指南。

六、可靠性与测试要点

  • 在进行电感值、Q 值、SRF 的测量时,应使用适配的射频测试夹具与校准(例如 50 Ω 系统下的 S 参数测量),以去除夹具寄生。
  • 功率和电流应考虑 I^2R 损耗带来的自发热影响,长期大电流工作时需评估焊点与基板的散热能力。
  • 受温度、频率及长期老化影响,厚膜电感的实际电感值会有一定漂移,敏感设计需做温度与寿命试验验证。

七、选型与注意事项

  • 如果应用频段接近或超过几 GHz,应优先参考器件的频率响应曲线(L(f)、Q(f)),并验证在目标频段的等效串联电容(Cpar)带来的影响。
  • 在需要低耦合、屏蔽或高精度电感值的场合,可考虑有屏蔽或多层绕组结构的替代型号。
  • 对焊点可靠性、抗振动与热循环要求高的应用,请查阅厂商的可靠性数据并在样品阶段进行验证。

综上,LQP03HQ1N8B02D 是一款面向高频、小体积与中等电流应用的厚膜无屏蔽电感,适合在射频前端、滤波与高速数字电路中作为关键被动元件使用。选型与布局时请结合实际频谱需求与厂商数据手册做最终验证。若需更详细的频率特性曲线、封装尺寸与回流焊规范,可提供 datasheet 链接或由我帮您逐项比对并给出落板建议。

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