WMSIC Electronic Components

FH VHF100505HQ43NHT

ModelVHF100505HQ43NHT
Package0402
BrandFH
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
FH VHF100505HQ43NHT
Type
FH
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
VHF100505HQ43NHT
Electronic Component
1
Package
0402
Type
Inductor; Inductor
Electronic Component
SMD Inductor
Electronic Component
±3%
Electronic Component
0.022g
Inductor
43nH
Electronic Component
1
Factor
8@100MHz
Electronic Component
BM0265737901
Current
250mA
Frequency
1.1GHz
Resistor(DCR)
1.1Ω

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

VHF100505HQ43NHT 贴片叠层电感产品概述

一、产品定位与核心属性

VHF100505HQ43NHT是风华电子(FH品牌)推出的高频小型化叠层贴片电感,主打VHF(甚高频)至UHF(超高频)频段的射频电路应用。该产品采用0402(英制)封装(对应公制1005尺寸),体积紧凑,适配对空间要求严苛的便携电子设备及高密度PCB设计场景。作为叠层电感,其核心优势在于参数一致性好、抗振动性能强、高频损耗低,可满足射频前端、通信模块等场景的精准匹配与滤波需求。

二、关键技术参数详解

该电感的参数围绕高频应用优化,各指标对实际场景的意义如下:

1. 电感值与精度

标称电感值为43nH,精度±3%,在射频电路的阻抗匹配、LC谐振回路设计中,该精度可覆盖大多数商用场景(无需更高精度时可降低成本),适合批量生产的一致性要求。

2. 额定电流与直流电阻

  • 额定直流电流250mA:指电感在直流偏置下,电感值变化不超过±10%的最大允许电流(行业常规定义),适配电池供电设备的低功耗场景;
  • 直流电阻(DCR)1.1Ω:在250mA工作电流下,功耗仅约0.069W,有效降低电源损耗,延长便携设备续航。

3. 品质因数(Q值)

Q值为8@100MHz,Q值反映电感的储能与损耗比(Q=ωL/R),该数值说明在100MHz频段下,电感的储能能力是损耗的8倍,适合需要低损耗的射频滤波、放大器匹配等场景。

4. 自谐振频率(SRF)

自谐振频率为1.1GHz,当工作频率超过SRF时,电感会因寄生电容与电感谐振呈容性,因此该电感的最佳应用频段为100MHz~1GHz(低于SRF且Q值较高的区间)。

三、封装与工艺特点

1. 小型化封装

采用0402封装,尺寸仅为1.0mm×0.5mm×0.5mm(长×宽×高),相比传统绕线电感体积缩小约40%,可显著提升PCB集成度,适合智能手表、蓝牙耳机等微型设备。

2. 叠层工艺优势

  • 无绕线结构:避免绕线带来的分布电容与电感,自谐振频率更高;
  • 陶瓷基材料:耐高温(常规-40℃~+85℃)、抗老化,可靠性达10万小时以上;
  • 批量一致性:叠层印刷工艺实现参数波动极小,批量生产无需额外筛选,降低量产成本。

四、典型应用场景

该电感针对高频射频场景设计,常见应用包括:

1. 射频前端滤波与匹配

  • 蓝牙、WiFi、FM收音机的天线匹配网络:43nH电感配合电容组成LC回路,优化天线阻抗,提升信号收发效率;
  • 射频带通滤波器:在VHF频段(30MHz~300MHz)实现信号滤波,抑制杂波干扰。

2. 通信模块电路

  • 工业无线通信模块(LoRa、ZigBee)的发射/接收链路:用于阻抗匹配,保证信号功率传输最大化;
  • 小型路由器的射频前端:0402封装节省空间,适配高密度PCB设计。

3. 便携电子设备

  • 智能手环、蓝牙耳机的时钟电路滤波:减少EMI(电磁干扰),提升设备抗干扰能力;
  • 可穿戴设备的电源滤波:配合电容抑制高频纹波,稳定供电电压。

五、选型与使用注意事项

1. 频率范围限制

应用频率需低于自谐振频率1.1GHz,若需在1GHz以上使用,需选择SRF更高的电感型号。

2. 电流与功率考量

实际工作电流(含脉冲电流)需控制在250mA以内,避免电感过热导致参数漂移。

3. 焊接工艺要求

  • 回流焊:峰值温度≤260℃,回流时间≤10秒(参考风华官方推荐);
  • 手工焊接:恒温烙铁温度≤350℃,焊接时间≤3秒,避免损坏电感。

4. 环境适应性

避免安装在高温区域(如靠近功率器件),极端温度下需确认电感温度系数(该系列常规为±100ppm/℃)。

该电感凭借小型化、高频性能稳定的特点,成为便携射频设备与通信模块的高性价比选择。

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