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Chilisin BMRA00060630330MA1
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- chilisin BMRA00060630330MA1
- Type
- CHILISIN
- Minimum package
- 1000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- CHILISIN
- Electronic Component
- BMRA00060630330MA1
- Electronic Component
- 1
- Package
- SMD,7.3x6.6x3mm
- Type
- Magnetic Display Inductor
- Electronic Component
- Power Inductor
- Electronic Component
- ±20%
- Electronic Component
- 0.697g
- Inductor
- 33uH
- Electronic Component
- 1
- Electronic Component
- BM0265002407
- Current
- 2A
- Resistor(DCR)
- 270mΩ
- 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.
BMRA00060630330MA1 产品概述
一、产品简介
BMRA00060630330MA1 是奇力新（chilisin）出品的一体成型磁胶屏蔽电感，额定电感值 33 μH，公差 ±20%，面向中低频开关电源与滤波场景。器件采用磁胶成型技术与屏蔽结构，兼顾尺寸小型化与磁场抑制，适用于表面贴装应用。
二、主要参数
- 电感值：33 μH ±20%
- 额定电流（Ir）：2 A
- 饱和电流（Isat）：3 A（磁通密度下降显著前的参考值）
- 直流电阻（DCR）：270 mΩ
- 封装/尺寸：SMD，7.3 × 6.6 × 3.0 mm
- 类型：磁胶屏蔽、一体成型
三、结构与特性
器件为磁性粉末/磁胶成型结构，外形为一体化 SMD 封装，内部绕组与磁芯通过成型材料固定，具有良好的机械强度与可重复贴片性。屏蔽设计能有效抑制旁路磁场，减少对周边敏感器件的干扰。一次性成型有利于大批量 SMT 工艺与高可靠性。
四、典型应用场景
- DC-DC 降压/升压转换器的输入/输出滤波
- 模拟电路与数字电源的电源去耦与纹波抑制
- LED 驱动与便携式电源模块
- 通信设备与消费电子的电源管理
五、选型要点与建议
- 功耗与温升：以 DCR=0.27 Ω 计算，满载 2 A 时铜耗约为 P = I^2·R ≈ 1.08 W，需注意散热与温升评估，实务中建议保留额外电流裕度或选择低 DCR 器件。
- 饱和裕度：若系统可能出现短时大电流脉冲，注意 Isat=3 A 为饱和参考值，尽量保证工作电流远低于饱和点以免电感值骤降。
- 频率响应：33 μH 属中低频值，适合较低开关频率或滤波用途；高频开关场合请评估交流阻抗与磁芯损耗。
- 公差影响：±20% 公差对滤波谐振频率有影响，设计滤波器时应考虑容差带来的最坏情形。
六、焊接与布局注意事项
- 推荐采用标准无铅回流曲线，避免超过材料允许的最高回流温度。
- 布局时尽量缩短与功率器件（如二极管、MOSFET）之间的连接，减少串联电阻与感抗。
- 近地端应有良好散热路径与铜箔面积，必要时配合过孔散热。屏蔽结构可降低对周围元件的磁耦合，但敏感模拟信号仍应隔离布局。
七、可靠性与测试建议
- 在实际应用中需做电流-温升测试与开关条件下的电感衰减测试，确认在工作温度范围内电感值与 DCR 的变化。
- 建议在原型阶段进行纹波电流测试和长期热循环试验，验证封装完整性与焊点可靠性。
八、订购与替代件提示
- 型号：BMRA00060630330MA1，品牌：chilisin（奇力新）；下单时请确认批次与规格表。
- 如需更低 DCR 或更高电流能力，可考虑同系列不同规格或其他厂商的低损耗功率电感作为替代，选型时关注尺寸、DCR、Isat 及屏蔽特性。
以上为 BMRA00060630330MA1 的概述与实际应用建议，选型与布局时请结合具体电路条件与热设计进行验证。
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