WMSIC Electronic Components

TDK MLG1005S1N0BT000

ModelMLG1005S1N0BT000
Package0402
BrandTDK
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Date code within 2 years

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
TDK MLG1005S1N0BT000
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
MLG1005S1N0BT000
Electronic Component
1
Package
0402
Type
Inductor
Electronic Component
SMD Inductor
Electronic Component
0.012g
Inductor
1nH
Electronic Component
1
Factor
7@100MHz
Electronic Component
BM0227542214
Current
1A
Frequency
10GHz
Resistor(DCR)
40mΩ

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

MLG1005S1N0BT000 产品概述

MLG1005S1N0BT000 是 TDK 系列的叠层贴片电感,0402(1005)封装,设计用于高频电路中的阻抗调节、射频旁路与直流注入等场合。该器件具有 1 nH 的小感值、较高的自谐振频率和可在 SMD 工艺下可靠焊接的结构,适合对尺寸、寄生参数和频率响应有严格要求的现代电子产品。

一、主要参数概览

  • 电感值:1 nH
  • 额定电流:1 A(连续工作时的最大额定电流,请在具体应用中留有裕量)
  • 直流电阻(DCR):40 mΩ
  • 品质因数(Q):7 @ 100 MHz
  • 自谐振频率(SRF):10 GHz
  • 类型:叠层电感(Multilayer)
  • 封装:0402(约 1.0 mm × 0.5 mm)
  • 典型描述:贴片电感 40 mΩ 1 nH 7@100MHz 1A,品牌 TDK

二、性能特点与工程意义

  • 高频性能良好:SRF 达到 10 GHz,表示电感在高频段仍有可用感抗特性,适合 GHz 级应用中的匹配或阻抗控制。
  • 宽频带适用性:Q 值在 100 MHz 为 7,属于中低 Q 范围,更适合宽带或阻尼型网络,而非需高 Q 共振的窄带滤波器。
  • 低直流损耗:40 mΩ 的 DCR 对于小信号及中等直流电流应用带来的额外功耗较小。以 1 A 电流为例,直流功耗约为 I^2·R = 1^2 × 0.04 = 0.04 W(40 mW),通常不会引起显著发热,但长期高温环境需评估。
  • 小体积封装:0402 尺寸利于高密度布局,适合移动设备、射频模块与紧凑型电源网络。

三、典型应用场景

  • 射频匹配网络:用于微带或共面波导的窄范围阻抗调节、输入/输出匹配。
  • RF 偏置注入(DC feed):作为射频路径中的小感量直流偏置元件,兼顾阻抗与直流通路。
  • 高频滤波与去耦:在 GHz 级的滤波链路、吸收型终端或 EMI 抑制网络中作为串联或并联元件。
  • 高频信号线的串联阻抗:用于调节传输线上的相位/幅度特性或改善稳定性。

四、设计与选型建议

  • 工作频段匹配:若主要工作频率接近或高于 100 MHz,应参考 Q 与 L 在目标频率的实际测量值;SRF 为 10 GHz 表明可用范围宽,但在接近 SRF 时电感行为会发生明显变化。
  • 留有电流裕量:额定电流为 1 A,若电路存在瞬态或脉冲电流,需评估峰值电流、温度上升与磁饱和特性(如需高准确性,请参阅厂方数据或样品测试)。
  • 布局注意事项:为降低寄生电容与寄生电感,推荐尽量缩短与电感相连的线路,焊盘与过孔设计要合理以减少引线长度引入的附加电感。
  • 热管理:虽然 DCR 较低,但在持续靠近额定电流工作或高环境温度下要关注长期可靠性与可能的电流退化。

五、装配与可靠性

  • 焊接兼容性:适用于常规 SMD 回流焊工艺。具体回流温度曲线、湿热、热冲击等可靠性测试结果建议参照 TDK 官方资料或样品验证。
  • 机械应力:0402 封装体积小,焊接和后续机械应力(如手动修理、弯折)可能导致封装或内部结构受损,存放与贴装过程中应避免过大弯折和机械冲击。
  • 检测方法:推荐使用阻抗分析仪或矢量网络分析仪测量 L、Q 与 SRF;使用高精度 LCR 表可进行低频对比测试;在注重温升与饱和行为时进行直流偏流与温度联合测试。

六、典型电路示例(参考)

  • 串联阻抗:作为输入端的串联元件用于微调匹配网络的相位/幅度。
  • 偏置电感:在射频放大器的偏置线上串联此电感以实现直流通路而对射频呈高阻抗。

总结:MLG1005S1N0BT000 以其 1 nH 的小感值、10 GHz 的自谐频率和 0402 的小封装,适合高频、空间受限的应用场景。设计时需关注 Q 值对带宽特性的影响、额定电流对热与饱和的限制,以及 PCB 布局对寄生参数的影响。如需更详细的机械图、回流曲线或温度系数等精确信息,请参阅 TDK 官方数据手册或向供应商索取样品进行验证。

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