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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。
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:
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。
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。
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)。
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。
该电感针对高频射频场景设计,常见应用包括:
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。
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。
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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Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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