WMSIC Electronic Components

muRata LQG15HS2N4B02D

ModelLQG15HS2N4B02D
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 25+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
mu Rata LQG15HS2N4B02D
Type
MURATA
Unit
Electronic Component
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
MURATA
Electronic Component
LQG15HS2N4B02D
Electronic Component
1
Package
0402
Type
Inductor
Electronic Component
SMD Inductor
Electronic Component
0.02g
Inductor
2.4nH
Electronic Component
1
Factor
8@100MHz
Electronic Component
BM0257270917
Current
850mA
Frequency
6GHz
Resistor(DCR)
110mΩ

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

LQG15HS2N4B02D 产品概述

一、产品简介

LQG15HS2N4B02D 是村田(muRata)系列的贴片电感,封装为 0402(1.0 × 0.5 mm)微小尺寸,标称电感值 2.4 nH,额定电流 850 mA,直流电阻(DCR)约 110 mΩ,品质因数 Q=8(@100 MHz),自谐振频率(SRF)约 6 GHz。该器件适合尺寸受限的高频电路中作为匹配、阻抗调节和射频去耦元件使用。

二、主要参数要点

  • 电感值:2.4 nH(标称值,具体公差请参照数据手册)
  • 额定电流:850 mA(连续电流能力,注意热升和降额)
  • 直流电阻(DCR):110 mΩ(影响直流和低频损耗)
  • 品质因数:Q=8 @100 MHz(在100 MHz 附近为中低 Q,适合宽带或匹配网络)
  • 自谐振频率:6 GHz(高频特性在 SRF 附近发生明显变化,超过 SRF 后表现为容性)
  • 封装:0402(极小封装,便于高密度板级设计,但焊接和可靠性考虑需谨慎)

三、典型应用场景

  • 射频前端匹配网络(天线匹配、滤波器的阻抗调节)
  • 高频阻抗元件或去耦,适用于对体积要求严格的便携式设备
  • 高频振荡器、混频/滤波网络中的调谐元件
  • EMI/噪声抑制(配合阻容网络使用时)

四、选型与设计注意事项

  • 频率范围:器件在接近 SRF(6 GHz)时电感值下降并趋于容性,设计时必须在目标工作频段内验证分布参数与等效电路行为。
  • 损耗与 DCR:110 mΩ 的 DCR 在直流偏置或低频应用中会引入显著功耗。按 I^2·R 计算,850 mA 连续时器件发热约 0.079 W(约 79 mW),需评估 PCB 热管理与降额。
  • Q 值考量:Q=8 表示器件为中低 Q,适合宽带或不要求高选择性的匹配电路;若需要高选择性或低损耗,建议选用高 Q 型号。
  • 封装影响:0402 尺寸便于高密度布局,但机械强度与焊接可靠性对工艺依赖强,建议遵循制造商的贴片与回流焊工艺规范。

五、PCB 布局与焊接建议

  • 焊盘设计:按村田推荐的焊盘尺寸,保证焊膏量与焊点可靠性,避免过大的焊盘引起器件移位或开路。
  • 最短走线:尽量使与器件相连的信号走线最短、最粗,减少寄生电感与电阻对高频特性的影响。
  • 避免过孔:若必须过孔,尽量远离电感端子,避免引入附加寄生电感。
  • 回流焊:遵循村田回流温度曲线,避免过高温度或多次回流可能带来的可靠性问题。
  • 测试与调校:高频测量建议使用矢量网络分析仪(VNA)配合合适夹具或直接在 PCB 上校准测量,验证实际 S 参数与等效电感值。

六、可靠性与验证

  • 温度与频率特性:检查数据手册中的温度系数与频率依赖曲线,以评估在工作条件下电感变化。
  • 老化与机械应力:0402 尺寸对震动与热循环敏感,需通过焊接、热循环与机械冲击等可靠性测试验证。
  • 规格确认:在量产前务必对样品进行电感值、DCR、Q、SRF 和额定电流下的温升测试,确认满足系统需求。

总结:LQG15HS2N4B02D 是一款适用于高频、体积受限应用的小尺寸贴片电感,适合用于匹配与去耦场景。但其较高的 DCR 与中低 Q 值要求在设计中权衡损耗与频带性能,严格按照制造商工艺与测试流程进行选型与验证。

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