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TDK MLF1005GR82KTD25
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- TDK MLF1005GR82KTD25
- 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
- MLF1005GR82KTD25
- Electronic Component
- 1
- Package
- 0402
- Electronic Component
- SMD Inductor
- Electronic Component
- ±10%
- Electronic Component
- 0.012g
- Inductor
- 820nH
- Electronic Component
- 1
- Factor
- 60@10MHz
- Electronic Component
- BM0262574036
- Current
- 40mA
- Frequency
- 320MHz
- Resistor(DCR)
- 430mΩ
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MLF1005GR82KTD25 产品概述
一 性能参数
MLF1005GR82KTD25 是 TDK 生产的一款贴片电感，核心参数如下：
- 标称电感值：820 nH ±10%
- 额定电流：40 mA（直流）
- 直流电阻（DCR）：约 430 mΩ
- 品质因数（Q）：60 @ 10 MHz
- 自谐振频率（SRF）：约 320 MHz
- 封装规格：0402（1005 公制尺寸）
该器件为高 Q、低频至中频应用优化的 SMT 线圈，适合对体积和性能有严格要求的便携式与射频电路。
二 主要特性与优势
- 高 Q 值：在 10 MHz 时 Q≈60，损耗低，适合滤波与谐振网络中对选择性和损耗敏感的场合。
- 小型封装：0402（1005）尺寸适配高密度 PCB 设计，节省占板面积。
- 相对低 DCR：430 mΩ 的直流电阻有利于降低直流功耗，提升电流通过效率。
- 较高 SRF：约 320 MHz 的自谐振频率保证在射频至 VHF 频段内仍保持电感性响应，扩展应用频率范围。
- 品牌与质控：TDK 品牌产品经过严格工艺与检验，良品率与一致性高，适合批量生产。
三 典型应用场景
- 射频/中频谐振回路与匹配：在 10–100 MHz 范围内作为谐振或阻抗匹配元件。
- EMI/噪声抑制：在电源线或信号线上用作小信号滤波或阻断高频噪声。
- 无线通信子模块：用于射频前端滤波、电感负载或阻抗元件，尤其在体积受限的模块内。
- 传感器与低功耗设备：适用于对电流要求较低的便携式或电池供电系统。
四 使用与布局建议
- 电流余量：尽量在额定电流以下使用，并留有裕量以避免直流偏置导致电感值下降或饱和。
- 布局：保持焊盘与走线短且直接，避免在电感附近产生不必要的平行走线或大面积铜箔干扰磁场。
- 焊接：采用标准 SMT 回流焊工艺，避免过高温度和重复热循环对元件性能造成影响。
- 测试频段注意事项：在接近 SRF（≈320 MHz）时，电感行为会发生显著变化，设计时应校核实际工作频率下的阻抗特性。
五 可靠性与选型注意
- 直流电阻和 Q 值会随频率与温度变化，实际应用应参考厂商的频率特性曲线并在目标频段进行测量验证。
- 小封装下的额定电流较低（40 mA），若电路中存在较大电流或需承受脉冲电流，应优先选择额定电流更高的型号或采取并联方案。
- 对于高精度或高可靠性应用，建议在样机阶段进行温升、寿命及机械振动测试，确认长期稳定性。
六 结论
MLF1005GR82KTD25 以其 820 nH 的电感值、高 Q、0402 小型封装和约 320 MHz 的 SRF，适合在体积受限且对频率选择性与损耗有一定要求的滤波与射频电路中使用。选型时需注意 40 mA 的额定电流限制以及工作频率接近自谐振点时的特性变化，建议在目标工作条件下进行实测以确保设计性能满足要求。
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