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muRata BLM03PG330SN1D
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- mu Rata BLM03PG330SN1D
- Type
- MURATA
- Unit
- Electronic Component
- Minimum package
- 15000
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MURATA
- Electronic Component
- BLM03PG330SN1D
- Electronic Component
- 1
- Package
- 0201
- Electronic Component
- Ferrite Bead
- Electronic Component
- ±25%
- Electronic Component
- 0.008g
- Electronic Component
- 1
- Channel Count
- 1
- Electronic Component
- BM0058412886
- Operating Temperature
- 55℃~+125℃
- Current
- 750mA
- @Frequency
- 33Ω@100MHz
- Resistor(DCR)
- 90mΩ
- Electronic Component
- 15000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
muRata BLM03PG330SN1D 产品概述
一、概述
BLM03PG330SN1D 是村田（muRata）推出的超小型多层磁珠（ferrite bead），封装为 0201（公制尺寸极小）。该器件针对 PCB 上的电源与信号线 EMI 抑制与去耦应用，尺寸小、适配高密度板设计。典型标称阻抗为 33Ω（@100MHz），直流电阻仅 90 mΩ，额定通过电流 750 mA，工作温度范围 -55℃ 至 +125℃，阻抗公差 ±25%，为单通道器件。
二、主要性能亮点
- 阻抗：33 Ω @ 100 MHz，适合射频附近与高速数字换位噪声抑制。
- 低直流电阻（DCR）：90 mΩ，可在保证滤波效果的同时减小电压降与功耗。
- 额定电流：750 mA，适用于中低电流电源轨与单片机、SoC 供电旁路场合。
- 温度与可靠性：工作温度 -55℃ ~ +125℃，适应工业级环境；典型阻抗公差 ±25%。
- 尺寸优势：0201 封装适合超小型、高密度 PCB 布局，有利于体积受限的移动设备与便携终端设计。
三、典型应用场景
- 电源线 EMI 抑制：作为输入或输出电源线的串联元件，抑制从开关电源或数字电路引入的高频噪声。
- 接地与信号完整性配合：与旁路电容配合形成低频旁路、高频隔离的滤波结构。
- 通信与射频模块：用于天线馈线前端或无线模块的共模/差模噪声管理（注意单通道器件仅用于单端线路）。
- 消费类与移动设备、可穿戴、IoT 节点等对尺寸与 EMI 要求严格的产品。
四、设计与布局建议
- 置于噪声源与敏感电路之间的最短路径上；对电源去耦，优先靠近 IC 电源引脚放置。
- 与旁路电容配合：在磁珠的低端（靠负载一侧）并联大容量旁路电容，形成宽带滤波。
- 注意直流偏置效应：高直流电流或 DC 偏置会降低磁珠的交流阻抗，设计时应评估工作电流对滤波性能的影响。
- PCB 布线尽量短且粗，减少寄生电感；焊盘和过孔布局应遵循厂商封装与回流规范。
五、焊接与存储注意事项
- 采用标准回流焊工艺；推荐按照村田提供的焊接温度曲线与焊盘设计执行以保证可靠性。
- 避免过度机械应力与弯曲，应采用适当的取放与贴片工艺以防裂纹。
- 存放环境应干燥、避免高温高湿，若使用防潮封装，开封后按 MSL 要求及时回流。
六、选型与替代建议
- 若工作电流超过 750 mA，应选用额定电流更高的同系列产品或更大封装以避免 DC 降阻。
- 若需更高阻抗或覆盖更低频段，参考阻抗频率曲线并选择阻抗值或多级滤波组合。
- 在替代时核对阻抗频率点、DCR、额定电流与封装尺寸，优先使用同厂相近系列以保证一致性。
如需进一步的阻抗频率曲线、封装尺寸图或推荐焊盘布局，请参照 muRata 官方数据手册或提供具体应用电流/频段，我可协助选择并给出更精确的布板建议。
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