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CDRH4D22HPNP-100MC是日本胜美达(Sumida)推出的小型贴片式功率电感,属于该品牌CDRH系列中针对低功耗场景优化的子型号。型号命名中,“CDRH”代表功率电感系列,“4D22”对应封装尺寸(4.7×4.7mm),“100MC”明确电感值为10μH(“100”表示10×10μH),是一款专为高密度PCB设计、兼顾效率与空间的基础功率电感产品。
该电感的核心参数直接决定适用场景,以下为关键参数的实际意义:
标称电感值10μH,精度±20%(实际范围8μH~12μH)。此精度符合大多数电源管理电路的设计需求(如降压型DC-DC转换器通常允许±20%误差),无需额外高精度匹配,降低设计与成本控制难度。
DCR为143.8mΩ(毫欧级),属于同类小体积电感的低损耗水平。DCR越低,铜损(I²R损耗)越小,电源转换效率越高,适配便携设备的低功耗需求。
采用SMD贴片封装,尺寸4.7×4.7mm(长宽),具备以下优势:
胜美达作为全球被动元件龙头,在功率电感领域有数十年技术积累,产品覆盖汽车、消费电子、工业等领域。CDRH4D22HPNP-100MC依托品牌可靠性,主要适用:
如智能手机、平板的降压DC-DC转换器(电池转CPU/内存低电压),满足低功耗、小体积需求;
如智能手环、智能家居传感器的辅助电源,低DCR与小体积适配“低功耗+迷你化”设计;
如小型PLC、传感器模块的电源单元,1.3A额定电流覆盖多数小型负载连续工作;
如血糖仪、血压计的电源电路,可靠性符合医疗设备基本要求。
综上,CDRH4D22HPNP-100MC是一款性价比高、适配性强的小体积功率电感,兼顾效率、尺寸与可靠性,适合多数低功耗、高密度电源管理场景。
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WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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