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TDK MDF1005GAD102ATD25
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- TDK MDF1005GAD102ATD25
- Type
- TDK
- Unit
- Electronic Component
- Minimum package
- 10000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- TDK
- Electronic Component
- MDF1005GAD102ATD25
- Electronic Component
- 1
- Package
- 0402
- Electronic Component
- Ferrite Bead
- Electronic Component
- ±25%
- Electronic Component
- 0.031g
- Electronic Component
- 1
- Channel Count
- 1
- Electronic Component
- BM0262570887
- Operating Temperature
- 55℃~+125℃
- Current
- 550mA
- @Frequency
- 1kΩ@900MHz
- Resistor(DCR)
- 690mΩ
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MDF1005GAD102ATD25 — TDK 0402 封装磁珠产品概述
一、产品简介
MDF1005GAD102ATD25 是 TDK 推出的 0402（1005 公制）封装磁珠，针对高频 EMI 抑制优化。标称阻抗 1 kΩ @ 900 MHz，直流电阻（DCR）约 690 mΩ（±25%），额定直流电流 550 mA，单通道设计，工作温度范围 -55℃ 至 +125℃。器件体积小、适合空间受限的移动与无线终端、物联网和消费类电子应用。
二、主要电气参数
- 阻抗：1 kΩ @ 900 MHz（用于射频/无线频段的传导噪声抑制）
- DCR：690 mΩ，容差 ±25%（影响通断损耗和功耗）
- 额定电流：550 mA（持续通过电流能力）
- 通道数：1（单一信号/电源线滤波）
- 温度范围：-55℃ 至 +125℃（适应工业级环境）
三、产品特性与优势
- 高阻抗在 900 MHz 附近提供优异的射频噪声抑制，适合 GSM/900 及附近频段抑扰。
- 0402 小尺寸利于高密度 PCB 布局，适合移动终端与紧凑型模组。
- 低直流电阻降低功率损耗，兼顾信号完整性与 EMI 抑制。
- 宽工作温度与工业级耐受性，适用于多种环境工况。
四、典型应用场景
- 蜂窝与无线通信设备（GSM、物联网模组）
- 手机、平板与可穿戴设备的射频/电源噪声抑制
- 摄像头模组、蓝牙/Wi‑Fi 前端滤波
- 工业控制与汽车电子（需注意额定电流与热设计）
五、布局与使用建议
- 将磁珠置于噪声源与受扰电路之间，靠近噪声源一侧布放以提高抑制效率。
- 对于电源线滤波，建议与旁路电容配合使用，形成宽频段衰减。
- 当电流接近额定值时，应评估自热与阻抗随温升的变化，必要时选用并联或更大封装器件。
- 采用推荐的回流焊工艺，遵循 TDK 的焊接曲线与抗热循环要求以避免可靠性问题。
六、可靠性与采购信息
- 封装：0402（1005 公制），便于自动贴装与批量生产。
- 建议在选型阶段获取 TDK 原厂数据手册以查看全频率阻抗曲线、功率与温升曲线及机械可靠性测试结果。
- 订购时注意器件完整型号（MDF1005GAD102ATD25）与包装单位，以确保与 BOM 一致。
七、选型注意事项
- 核查实际工作频带与器件阻抗曲线，避免在器件谐振点附近造成意外响应。
- 若电流裕度不足，考虑并联多只或选用更高额定电流的磁珠/电感器件。
- 高频应用同时要关注器件寄生电容对信号的影响，必要时进行电磁仿真验证。
如需完整数据手册（频率响应曲线、温升与机械规格等）或在具体电路中的仿真与布局支持，可提供 PCB 片段与工作频段，我可协助进行更精确的选型与验证建议。
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