WMSIC Electronic Components

muRata LQG15HS3N9B02D

ModelLQG15HS3N9B02D
Package0402
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 Date code within 2 years

Available for RFQ

Technical data

Product details

18 specifications

Core information

Product name
mu Rata LQG15HS3N9B02D
Type
MURATA
Minimum package
10000

Technical parameters

Electronic Component
MURATA
Electronic Component
LQG15HS3N9B02D
Electronic Component
1
Package
0402
Type
Inductor
Electronic Component
SMD Inductor
Electronic Component
0.011g
Inductor
3.9nH
Electronic Component
1
Factor
8@100MHz
Electronic Component
BM0058416956
Current
750mA
Frequency
6GHz
Resistor(DCR)
140mΩ
Electronic Component
10000

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

LQG15HS3N9B02D — 产品概述

一、产品简介

LQG15HS3N9B02D 是村田(muRata)推出的一款超小型贴片电感,标称电感量为 3.9 nH(公差 ±0.1 nH),封装规格为 0402(约 1.0 × 0.5 mm)。该器件针对高频应用优化,具有较高的自谐振频率和小型化特点,适用于对板级空间和高频性能有较高要求的移动通信、射频模块与高频滤波电路。

主要参数(概要):

  • 电感值:3.9 nH ±0.1 nH(约 ±2.6%)
  • 直流电阻 (DCR):140 mΩ
  • 品质因数 (Q):8 @ 100 MHz
  • 自谐振频率 (SRF):6 GHz
  • 额定电流:750 mA
  • 封装:0402(贴片)

二、主要性能特点

  • 小尺寸封装:0402 封装便于高密度贴装,节省 PCB 空间,适配小型化无线终端与射频前端模块。
  • 高频适应性强:自谐振频率高达 6 GHz,可在 VHF/UHF 及多数移动通信频段内有效工作,适合用于天线匹配、滤波与阻抗变换等高频网络。
  • 低直流电阻:140 mΩ 的 DCR 在小封装下属于合理水平,有助于降低直流损耗与发热,支持近 0.75 A 的工作电流。
  • 中等品质因数:Q = 8(@100 MHz)表明在该频段存在一定损耗,器件更偏向于实用型射频匹配与去耦场景,而非强调极高 Q 值的谐振元件。

三、典型应用场景

  • 射频匹配网络:用作天线或射频器件的串联电感或匹配网络中的元件,适合 0.1–3 GHz 甚至更高频段的匹配与调谐。
  • 前端滤波 / 抑制:在射频前端做谐振电路或与电容组成小型 L 型 / Π 型滤波结构,用于抑制带外干扰与寄生幅度。
  • 偏置线阻断 / 偏置网络:用作偏置滤波和直流阻隔的元件(例如偏置 T 型电路中的 RF choke),在高频下呈现较高阻抗。
  • 高速接口与电磁兼容(EMC):在高频瞬态或射频泄漏环境中作为微小电感用于抑制干扰或做阻抗匹配。
  • 射频模块、Wi‑Fi/BT、GPS、LTE/5G 小型模块等无线终端的射频前端及滤波网络。

四、PCB 布局与安装建议

  • 放置位置:将电感尽量靠近信号源或天线一端布置,避免长导线引入附加电感或辐射。
  • 焊盘设计:遵循器件厂商推荐焊盘尺寸以保证良好焊接强度与电气性能;0402 封装对焊接质量敏感,建议使用标准回流焊工艺。
  • 接地与去耦:若电感与地平面或其他敏感走线相邻,需注意避免紧邻放置导致寄生耦合。滤波网络应保持回流路径短而直接。
  • 温升与过流:额定电流 750 mA 为参考值,实际走电时需考虑 PCB 热阻和周围元件散热,若长时间大电流工作建议留有裕量并进行热仿真或实测验证。
  • 封装应力:贴片器件在波峰或回流焊中需避免过度机械应力,贴装与焊接后建议进行目视与 X‑ray 检查确认焊点质量。

五、可靠性与环境适应

  • RoHS/无卤通常符合业界环保要求(以厂商资料为准,具体合规性请参照产品数据表)。
  • 在高频应用中,电感的电气特性会随温度与频率发生偏移,建议在设计阶段对关键参数(如电感量、Q、SRF、DCR)进行温度与频率扫描验证。
  • 对于汽车等高可靠性场景,需确认器件的车规或其他认证级别;标准型号通常适用于消费类与通信类电子设备。

六、选型建议与替代考虑

  • 若目标电路对 Q 值敏感(需更低损耗),可优先考虑 Q 值更高的同类小体积电感或更大封装型号;若空间受限且频率需求高(> 3 GHz),LQG15HS3N9B02D 的 SRF(6 GHz)是合适选择。
  • 对于高电流或低损耗需求,检查并比对 DCR 与额定电流参数,必要时升级到更大尺寸或低阻抗版本。
  • 在进行最终选型时,建议参考村田完整的数据手册获取详尽的频率响应、温度特性和焊接规范,并在样机阶段做实际测量(S 参数、插入损耗、热漂移等)。

总结:LQG15HS3N9B02D 以其微小的 0402 封装、高 SRF 与 3.9 nH 的电感值,适合于对体积与高频性能有严格要求的射频与通信电路。设计时应结合实际频段、功率与热环境进行仿真和样机验证,以保证最佳电气与可靠性表现。

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