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PSPCAQ43-4R7M是谱罗德(PROD) 推出的一款SMD贴片功率电感,专为中小功率电源电路的滤波、储能需求设计。产品以“紧凑体积+稳定电流承载+低损耗”为核心优势,适配高密度PCB布局场景,覆盖消费电子、小型电源、物联网等多领域应用,是替代传统插件电感的高性价比选择。
产品标称电感值为4.7μH,精度±20%,符合主流电源设计的公差要求。该电感值适用于12V/5V等低中压电源的滤波网络,可有效抑制纹波噪声(如开关电源的高频纹波),提升电源输出质量,避免对敏感电路(如MCU、传感器)造成干扰。
DCR仅94mΩ,属于同类产品中的低损耗水平。铜损公式为(P=I^2R),在1.7A工作电流下,铜损约0.27W,发热可控,可有效提升电源转换效率(降低1%~2%的损耗),减少整机功耗,适合对能效要求较高的便携设备。
采用SMD贴片封装,具体尺寸为(4.0×4.5×3.2mm)(长×宽×高),比传统插件电感节省约60%的PCB占用面积,适配空间受限的场景(如智能手机主板、小型电源模块),同时兼容自动化贴装生产线,提升生产效率。
SMD封装的引脚间距与尺寸符合IEC标准,可直接对接主流SMT生产线,实现高速贴装(贴装速度可达10000点/小时),大幅降低人工成本,适合批量生产需求。
采用铁氧体磁芯+漆包线绕制结构:
引脚表面镀锡处理,焊接时润湿性能好(润湿角≤30°),焊点强度可达10N以上,长期工作不易出现虚焊、脱焊问题;同时引脚高度一致(±0.1mm),贴装时不易出现偏移,提升良率。
需确认电路工作电流不超过1.7A(额定/饱和电流),若负载电流波动较大(如峰值电流达2A),建议降额20%使用(实际工作电流≤1.36A),避免磁芯饱和。
产品精度±20%,设计时需预留公差空间(如电路要求4.7μH±10%,需确认实际电感值是否在4.23μH~5.17μH范围内),可通过并联/串联微调电感值。
产品符合RoHS无铅环保标准,部分批次具备REACH认证,适合出口欧盟的产品需求;若用于车规场景,需确认是否具备AEC-Q200认证(本产品默认为消费级,车规需定制)。
综上,PSPCAQ43-4R7M凭借紧凑体积、稳定电流承载与低损耗特性,成为中小功率电源电路的优选电感,可满足多场景的高性能需求。
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