Model & package intelligence
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SXN SMMS0650-101M Inductor SMMS0650
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- SXN SMMS0650-101M
- Type
- SXN
- Minimum package
- 1000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SXN
- Electronic Component
- SMMS0650-101M
- Electronic Component
- 1
- Package
- SMD,7.1x6.6x5mm
- Type
- Inductor
- Electronic Component
- Power Inductor
- Electronic Component
- ±20%
- Electronic Component
- 1.493g
- Inductor
- 100uH
- Electronic Component
- 1
- Electronic Component
- BM0259364579
- Current
- 1.5A
- Resistor(DCR)
- 720mΩ
- Electronic Component
- Electronic Component
- Electronic Component
- 1000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMMS0650-101M 产品概述
一、型号与概述
SMMS0650-101M（制造商：SXN 顺翔诺）为一款面向中功率开关电源与功率滤波应用的贴片功率电感。额定电感量为100µH，公差±20%；结构为SMD封装，外形尺寸为7.1 × 6.6 × 5.0 mm，适合自动贴装和回流焊工艺。
二、主要电气参数
- 电感量：100 µH ±20%
- 额定电流（Irms）：1.5 A（连续工作建议在此值或以下）
- 饱和电流（Isat）：2.0 A（超过此值电感量显著下降）
- 直流电阻（DCR）：720 mΩ
上述参数决定了器件在开关电源、滤波器及步降/升压电路中的实际损耗与热性能。
三、特性与优势
- 紧凑体积：7.1×6.6×5.0 mm 的SMD封装，节省PCB空间，利于高密度布局。
- 高饱和电流：2A的饱和电流使其在短时冲击或启动时具有更好的线性工作区。
- 适配自动化生产：卷带/盘装适用于贴片机与回流焊，便于工业化量产。
四、热管理与设计注意事项
该型号DCR较高（0.72Ω），在额定电流1.5A下I^2R损耗约为1.6 W，功耗较明显，需重视散热与电流裕度：
- 若长时间持续工作，建议额定电流按70%～80%进行降额选型或增加散热措施；
- PCB走线应尽可能宽短并增加铜厚与散热铜皮，必要时添加过孔形成多层散热路径；
- 元件布置上尽量远离高温器件或为其留出空气对流空间。
五、典型应用场景
- DC-DC 降压/升压转换器的输出滤波或储能元件；
- 电源输入EMI滤波与纹波抑制；
- LED驱动、电池管理系统及便携设备中需要中等电感量与中等电流承载的场合。
六、PCB布局与封装建议
- 元件应尽量贴近开关器件或开关节点以降低走线电感与耦合噪声；
- 保持两端焊盘短且对称，增加焊盘面积以降低接触电阻与改善散热；
- 推荐采用标准回流焊曲线，避免超温或长时间过热影响磁芯性能。
总结：SMMS0650-101M 是一款面向中等功率、空间受限设计的SMD功率电感，具有适中的饱和电流能力与紧凑体积。但需注意其较高的直流电阻导致的热耗问题，在选型与电路设计中应综合考虑电流裕量与散热措施，以确保长期可靠工作。
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