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Chilisin BDCD002520122R2MS1
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- chilisin BDCD002520122R2MS1
- Type
- CHILISIN
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- CHILISIN
- Electronic Component
- BDCD002520122R2MS1
- Electronic Component
- 1
- Package
- 1008
- Electronic Component
- Power Inductor
- Electronic Component
- ±20%
- Electronic Component
- 0.063g
- Inductor
- 2.2uH
- Electronic Component
- 1
- Electronic Component
- BM0265002396
- Current
- 2A
- Resistor(DCR)
- 102mΩ
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- and Current(Isat)
- 3.3A
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BDCD002520122R2MS1 产品概述
一、产品简介
BDCD002520122R2MS1 是奇力新（chilisin）推出的一款功率电感，标称电感值 2.2 μH（±20%），额定电流 2A，饱和电流（Isat）3.3A，直流电阻（DCR）约 102 mΩ，封装为 1008。该器件针对中小功率开关型 DC-DC 变换器与去耦滤波场合设计，兼顾体积、成本与稳态效率。
二、主要参数
- 品牌：chilisin（奇力新）
- 型号：BDCD002520122R2MS1
- 电感值：2.2 μH ±20%
- 额定电流（Ir）：2.0 A
- 饱和电流（Isat）：3.3 A（电感降至初始值某一比例时）
- 直流电阻（DCR）：≈102 mΩ
- 封装：1008（贴片功率型）
三、产品特点
- 体积小、适合集成化电源设计，利于 PCB 布局密集化。
- 饱和电流较高（3.3A），可承受短时冲击电流而不致严重降感。
- DCR 较大，导通损耗明显，对连续大电流系统需考虑热耗与效率影响。
- ±20% 电感公差适合对精度要求一般的降压/滤波应用。
四、典型应用
- 同步降压（Buck）及非同步降压 DC-DC 模块（输出电流在 2A 区间）
- 电源去耦与输出滤波，抑制开关纹波与 EMI
- 可穿戴、消费电子及网络设备中对体积和成本敏感的中低功率电源
五、选型与设计建议
- 若系统连续输出接近或超过 2A，应评估 DCR 导致的 I^2R 损耗（例如 2A 时约 0.408 W），并考量散热与效率要求；需要更低 DCR 可选同系列低阻值型号。
- 对脉冲峰值电流可能接近或超过 3.3A 的场景，应增加裕量或选 Isat 更高的电感，避免工作点进入严重饱和区而引起纹波增大与效率下降。
- 因电感公差 ±20%，在对输出纹波或环路响应有严格要求的电源设计中，应在仿真与样板机阶段验证实际电感值对系统的影响。
六、封装与可靠性提示
- 1008 封装适合自动贴装和回流焊工艺；回流曲线请参考厂商推荐，避免超温或过长的加热导致磁性材料性能退化。
- PCB 布局建议：电感与输入/输出电容布置紧凑，走线短并尽量减小环路面积，过孔合理布置以利散热。
七、使用与测试注意事项
- 测试电感时需在实际偏置电流下测量，以评估工作点附近的电感值下降与饱和行为。
- 长时间高温或高负载运行时，监测电感表面温升，必要时增加散热或改变器件选型。
- 在 EMI/兼容性设计中，配合合适的去耦电容与布局可显著降低共模/差模噪声。
总结：BDCD002520122R2MS1 是一款面向中低功率开关电源和滤波应用的紧凑型功率电感，适合对体积与成本敏感且工作电流在 2A 左右的场景。选择时应综合考虑 DCR 导致的热耗、饱和裕量以及实际电感偏差对系统性能的影响。
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