WMSIC Electronic Components

TDK MLG1005S56NJT000

ModelMLG1005S56NJT000
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 MLG1005S56NJT000
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
MLG1005S56NJT000
Electronic Component
1
Package
0402
Electronic Component
SMD Inductor
Electronic Component
±5%
Electronic Component
0.012g
Inductor
56nH
Electronic Component
1
Factor
8@100MHz
Electronic Component
BM0263578478
Current
200mA
Frequency
1GHz
Resistor(DCR)
830mΩ

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

MLG1005S56NJT000 产品概述

一、产品简介

MLG1005S56NJT000 是 TDK 出品的一款微型贴片电感,封装尺寸为 0402(1005 公制)。该器件额定电感值 56 nH,公差 ±5%,适用于对体积和空间要求极高的便携及高频电路。典型应用为射频匹配、滤波与偏置网络等需在高频范围内工作的场合。

二、主要电气参数

  • 电感值:56 nH ±5%
  • 额定直流电流:200 mA
  • 直流电阻 (DCR):830 mΩ
  • 品质因数 Q:8 @ 100 MHz
  • 自谐振频率 (SRF):1 GHz
  • 封装:0402(1005)

三、性能解读

  • 高频特性:Q=8@100MHz 与 SRF=1GHz 表明该电感在数十 MHz 至数百 MHz 范围内仍具实用性;在接近或高于 SRF 时电感值会下降并表现为容性特性,应避免在 SRF 附近工作以免性能不稳定。
  • 损耗与等效串联电阻:虽然直流电阻为 0.83 Ω,但在 100 MHz 时器件的等效串联电阻(ESR)由 Q 值可估算为约 X_L/Q ≈ (2π·100MHz·56nH)/8 ≈ 4.4 Ω,说明在射频下损耗主要来自磁芯损耗和高频效应,而非仅由 DCR 决定。
  • 功率与发热:在额定电流 200 mA 下,直流功耗约为 I^2·DCR = 0.2^2·0.83 ≈ 33 mW;实际温升取决于PCB散热与周边布局,应在实际应用中验证热稳定性。

四、典型应用场景

  • 射频输入/输出匹配网络与谐振回路(手机射频、无线模块)
  • 高频旁路与杂散信号抑制(宽带滤波、谐波抑制)
  • 偏置网络中作为高频阻断元件(RF-Bias)
  • 对体积敏感的消费电子及无线通信终端

五、设计与布局建议

  • 布局:尽量将电感放置于射频节点的最短路径处,走线短而直以减少寄生电感/电容。
  • 接地:若用于滤波,确保旁路电容靠近电感与地短接以形成良好回路。
  • 多元件组合:在要求更高 Q 或更低损耗时,可考虑与外部元件配合或更换更大封装器件。
  • 温度/电流裕量:电流使用时建议留有裕度,避免长期在额定电流附近工作以延长寿命并减小温升。

六、选型注意事项

  • 工作频率:避免在接近 1 GHz 的频点作为纯电感使用;若系统工作在 SRF 附近,应用 S 参数确认实际阻抗特性。
  • 损耗权衡:DCR 与高频 ESR 的存在意味着该器件在高频下有较明显损耗,适合用于滤波与抑制而非要求高 Q 的谐振回路。
  • 电流与功耗:确认电路中的直流与交流电流分量,计算 I^2·DCR 与高频功耗,评估温升与热可靠性。

七、测试与可靠性

  • 测量建议:在目标工作频率使用网络分析仪测量 S11/S21 或用精密阻抗分析仪得到 L、Q 与 ESR 随频率的曲线。
  • 焊接与可靠性:遵循 TDK 的焊接曲线与存储说明进行回流焊工艺控制,0402 体积小,对贴装与回流条件较敏感。

总结:MLG1005S56NJT000 以其超小尺寸和在数十至数百 MHz 范围内可用的电感特性,适合空间受限的射频与抑制应用。但需注意其在高频下的等效损耗、有限的额定电流和在 SRF 附近的行为;实际选型应结合频率响应、功耗计算及实测 S 参数 以确保满足系统需求。若需要更详细的回流曲线、频率响应图或机械包装图,建议参考 TDK 官方数据手册。

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