WMSIC Electronic Components

TDK MLG0603P47NHTD25

ModelMLG0603P47NHTD25
Package0201
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
TDK MLG0603P47NHTD25
Type
TDK
Minimum package
15000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TDK
Electronic Component
MLG0603P47NHTD25
Electronic Component
1
Package
0201
Electronic Component
SMD Inductor
Electronic Component
±3%
Electronic Component
0.009g
Inductor
47nH
Electronic Component
1
Factor
10@300MHz
Electronic Component
BM0262575922
Electronic Component
AEC-Q200
Current
110mA
Frequency
1.6GHz
Resistor(DCR)
2.18Ω

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

MLG0603P47NHTD25 产品概述

MLG0603P47NHTD25 是 TDK 出品的车规级贴片电感,封装为 0201(0603 尺寸标识常见型号命名差异),电感量为 47 nH,容差 ±3%,额定直流电流 110 mA,直流电阻(DCR)2.18 Ω,品质因数 Q = 10(@300 MHz),自谐振频率(SRF)约 1.6 GHz,并满足 AEC‑Q200 车规可靠性要求。该器件适用于对尺寸、耐温和可靠性有较高要求的高频滤波、阻抗匹配及抗干扰电路。

一、主要参数

  • 电感值:47 nH ±3%
  • 额定电流:110 mA(最大直流偏置前提下保持标称性能)
  • 直流电阻:2.18 Ω
  • 品质因数:Q = 10(测量点:300 MHz)
  • 自谐振频率:1.6 GHz(近似值,超出频率后器件由感性转为容性表现)
  • 封装:0201(极小型贴片)
  • 车规等级:AEC‑Q200

二、关键特性与设计要点

  • 小封装:0201 体积极小,便于高密度 PCB 布局与微型化产品设计。
  • 高频性能:在 300 MHz 附近 Q 值为 10,适合射频/微波前端的低阻抗滤波和阻抗调谐。
  • 高 DCR:2.18 Ω 的 DCR 较大,说明器件在直流及低频下有较明显的串联电阻损耗,不适合对损耗敏感的电源路径或需低直流电阻的应用。
  • SRF 限制:自谐振频率 1.6 GHz,使用时应在 SRF 之下以保持感性行为;在 SRF 以上器件表现为电容性,设计时需注意频域切换影响。
  • 车规可靠性:通过 AEC‑Q200 要求,适合汽车电子及其它高可靠性环境。

三、典型应用场景

  • 射频前端的阻抗匹配与谐振电路(需在 SRF 以下使用)。
  • 高频滤波器(LC、π 型滤波单元),用于抑制 100 MHz 至数百 MHz 的干扰。
  • EMI 抑制与共模抑制(根据电路拓扑,注意 DCR 带来的插入损耗)。
  • 汽车电子、通信模块、射频识别(RFID)及便携设备的小体积滤波/匹配单元。

四、性能估算(示例)

  • 在 300 MHz 时感性阻抗 X_L ≈ 2πfL = 2π×300e6×47e‑9 ≈ 88.6 Ω。
  • 以 Q = X_L / R_series,可估算在 300 MHz 时等效串联电阻 R_series ≈ 8.9 Ω(此值包含损耗成分,DCR 为 2.18 Ω,仅为直流部分)。
  • 额定电流下的功耗 P = I^2 × DCR ≈ 0.11^2 × 2.18 ≈ 0.026 W(约 26 mW),通常热升不会很大,但应在高密度布板或多器件并列时评估热累积。

以上为近似计算,具体频率响应、插入损耗和温度依赖特性应参照官方数据手册和实际测量结果。

五、布局与焊接建议

  • 0201 芯片极小,建议使用高精度点胶/贴片与回流焊流程。
  • 焊盘设计应参照 TDK 推荐 land pattern,避免过大的焊盘导致机械应力集中。
  • 回流焊温度曲线按通用无铅工艺控制,避免过长高温滞留;如在汽车环境使用,请按供应商推荐的焊接条件验证。
  • 布局上尽量缩短与接地或信号线的走线长度以降低寄生电感/电容,若作滤波元件应保证滤波拓扑的对称性。
  • 机械应力敏感,贴装后避免强力剪切和板弯曲。

六、可靠性与选型注意事项

  • 器件为 AEC‑Q200 级别,适合汽车应用,但仍建议在目标系统的温度、湿度、振动和循环条件下进行试验验证。
  • 由于 DCR 较高,不建议用于低压大电流的电源供给路径或作为电流感测元件。
  • 在高频和高功率场景下注意自谐振与高频损耗带来的性能变化;必要时通过仿真和量测确认电路表现。
  • 对替代型号的选择,应关注电感值、DCR、SRF 与额定电流三者的匹配。

如需获得完整电气特性曲线、封装图和具体焊接建议,请参考 TDK 官方数据手册或联系代理商获取样品评估。

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