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SMDRS7045-331M是顺翔诺(SXN)品牌推出的磁胶屏蔽贴片功率电感,专为低功耗电子电路的电源滤波、DC-DC转换等场景设计,兼具小型化、低损耗、低EMI等特点,适配便携式设备及小型物联网终端的批量应用。
型号“SMDRS7045-331M”的核心标识:
该电感属于低电流功率电感,额定电流250mA,适配中小功率电源电路,替代传统插件电感,满足PCB高密度设计需求。
SMDRS7045-331M的关键参数经严格测试,具体如下:
参数项 规格值 核心说明 电感值(L) 330μH±20% 满足常规电源滤波需求 额定电流(Irms) 250mA 连续工作电流上限 饱和电流(Isat) 250mA 电感值下降≤10%的电流阈值 直流电阻(DCR) 740mΩ 低损耗,额定电流下发热仅≈46mW 封装尺寸 7.0×7.0×4.5mm 紧凑设计,节省PCB空间 屏蔽类型 磁胶屏蔽 抑制电磁干扰(EMI)关键特性:饱和电流与额定电流一致,说明在额定电流范围内电感值稳定,无过载性能衰减风险。
采用磁胶封装工艺,相比开放式电感可降低80%以上电磁辐射,减少对蓝牙、WiFi等敏感电路的干扰,适合噪声要求高的场景。
7.0×7.0×4.5mm的紧凑尺寸,适配智能手环、蓝牙耳机等便携式设备的高密度布局;贴片封装支持回流焊,便于自动化生产,降低人工成本。
直流电阻仅740mΩ,额定电流下功率损耗≈46mW,发热极低,无需额外散热设计,可长期稳定工作。
SMDRS7045-331M的参数特性适配以下场景:
顺翔诺(SXN)是国内电感专业厂商,SMDRS7045-331M符合RoHS环保标准,批量一致性好,通过温度循环、振动测试,满足消费级及工业级品质要求。
综上,SMDRS7045-331M是性价比高的低电流磁胶屏蔽电感,适合小型化、低功耗电子设备的电源设计,是替代传统插件电感的理想选择。
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