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这款0420CDMCCDS-1R5MC是日本Sumida(胜美达)推出的SMD一体成型功率电感,属于中小功率电源电路的核心元件。其设计聚焦「低损耗、高电流密度、抗电磁干扰(EMI)」三大核心需求,适配消费电子、工业控制、通信等领域的DC-DC转换器、电源滤波场景,是替代传统绕线电感的高性价比选择。
电感值与精度
标称电感值1.5μH,精度±20%,满足大多数电源电路对纹波抑制、储能的基本要求。对于精度要求不苛刻的通用场景,该规格足够覆盖;若需更高精度,可参考Sumida同系列其他型号,但本款性价比更优。
电流特性
直流电阻(DCR):38mΩ
低DCR是核心优势:4.9A额定电流下,功耗仅约0.9W(P=I²R),远低于同参数绕线电感,能有效提升电源转换效率,减少发热。
封装与类型
采用0420英寸SMD封装(约10.16mm×5.08mm),一体成型结构(磁芯完全包裹线圈),漏磁比传统电感低30%,EMI抑制更显著,同时机械强度更高,耐振动冲击。
一体成型抗干扰
磁芯与线圈一体化注塑,避免线圈裸露漏磁,降低对周边电路的干扰;同时解决传统电感线圈松动问题,可靠性提升30%以上,适合对EMI和振动要求严格的工业、车载场景。
低损耗高电流密度
38mΩ低DCR+4.9A额定电流,在小体积下实现高电流密度,适配便携式设备的紧凑PCB设计,无需额外增大电感体积。
宽温稳定工作
支持-40℃~+125℃宽温范围(工业级标准),能在极端环境下稳定运行,覆盖户外设备、车载电子等场景的温度需求。
自动化贴装兼容
SMD封装适配标准贴片机,可实现高速批量生产,降低人工成本,适合电子设备制造商的规模化需求。
消费电子快充
适配手机、平板、笔记本的USB-PD快充模块,低EMI特性减少对射频电路的干扰,提升充电稳定性。
工业控制电源
用于PLC、伺服驱动器、传感器的辅助电源,一体成型结构耐振动,宽温性能适应工业现场的温度波动。
通信设备
路由器、交换机、基站的电源模块,低漏磁设计降低设备间电磁干扰,保障通信信号稳定。
车载电子
车载信息娱乐系统、LED氛围灯驱动电源,宽温与抗振动特性符合车载环境要求(若需车规认证,需确认具体型号)。
电流阈值控制
连续电流≤4.9A,峰值电流≤6.7A,避免电感饱和导致纹波异常;若实际电流超标,需降额使用或选更高电流规格。
精度匹配
±20%精度适合通用场景,精密电源可考虑同系列±10%型号。
散热设计
高电流工作时,建议在电感下方增加铜箔或散热过孔,避免局部过热影响性能。
封装验证
确认PCB焊盘尺寸(长10.2±0.2mm,宽5.1±0.2mm)与贴片机参数匹配,保障自动化贴装精度。
这款电感是Sumida针对中小功率电源的高性价比方案,核心优势在于「低损耗+抗干扰+宽温可靠」,可覆盖多数通用电子设备的电源设计需求。
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Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
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The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
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