WMSIC Electronic Components

TDK MLJ1608WR33JT000

ModelMLJ1608WR33JT000
Package0603
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

20 specifications

Core information

Product name
TDK MLJ1608WR33JT000
Type
TDK
Unit
Electronic Component
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
TDK
Electronic Component
MLJ1608WR33JT000
Electronic Component
1
Package
0603
Type
Inductor
Electronic Component
SMD Inductor
Electronic Component
±5%
Electronic Component
0.033g
Inductor
330nH
Electronic Component
1
Factor
35@25MHz
Electronic Component
BM0254021902
Current
500mA
Frequency
230MHz

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

MLJ1608WR33JT000 产品概述

一、主要参数概览

MLJ1608WR33JT000 为 TDK 旗下0603(1608公制)封装的叠层贴片电感,核心电气参数如下:

  • 电感值:330 nH,公差 ±5%
  • 额定电流(Ir):500 mA
  • 饱和电流(Isat):650 mA(常规定义下电感下降到初始值的30%~50%时的限制)
  • 直流电阻(DCR):约 320 mΩ
  • 品质因数(Q):35 @ 25 MHz
  • 自谐振频率(SRF):230 MHz
  • 类型:叠层(Multilayer)陶瓷贴片电感,封装规格 0603

二、产品特点

  • 小尺寸、高密度:0603 封装适合高密度 PCB 设计,节省板上空间。
  • 良好 Q 值与 SRF:Q=35(25MHz)及 SRF=230MHz,使其在中高频范围内具有较低损耗及稳定阻抗特性,适合滤波与阻抗匹配应用。
  • 合理的电流能力:500 mA 额定电流可满足中低功率电源滤波或信号链电流需求;650 mA 的饱和电流为短时或峰值电流提供保护余量。

三、典型应用

  • 高频滤波网络(例如射频前端的带通/低通滤波器)
  • 各类电源滤波器与去耦(DC–DC 输出滤波、噪声抑制)
  • 信号链的阻抗匹配与共模/差模抑制(视应用拓扑而定)
  • 手持及便携设备、模块化电源和无线通信设备的 PCB 级滤波解决方案

四、设计注意事项

  • 电流与饱和:实际工作电流建议低于额定电流以避免电感值明显下降。若存在较大直流偏置或纹波电流,需校核是否接近 Isat,避免工作点进入饱和区。
  • 损耗与温升:在 500 mA 时,直流压降约为 V = I·DCR = 0.5 A × 0.32 Ω = 0.16 V,功率损耗 P = I^2·DCR ≈ 0.08 W,需考虑局部温升与散热。
  • 频率响应:SRF=230 MHz,工作频率应低于 SRF 以保持电感性行为;接近或超过 SRF 时器件表现为容性,须避免用在该频段作为感性元件。
  • 寄生与布局:尽量缩短与加粗进出线,避免在电感附近形成较大的环路面积,以降低寄生电容与辐射。必要时并联去耦电容形成所需滤波特性。

五、封装与安装建议

  • 0603 贴片技术兼容标准回流焊工艺,推荐按元件焊盘尺寸与制造商推荐的焊盘设计以降低应力与焊接缺陷风险。
  • 储存与搬运时避免受潮、强机械冲击或高温环境;回流曲线遵循焊膏及基板材料的工艺规范。
  • 在测试与验收时建议进行大电流稳态与热循环评估,确认在目标工作条件下性能稳定。

六、可靠性与选型建议

  • 在选型阶段应结合实际工作电流、频率范围及允许的损耗来评估是否满足系统需求;若存在持续较大DC偏置或较高纹波电流,考虑选择更高 Isat 与更低 DCR 的同系列或替代器件。
  • 对于高频射频链路,关注 Q 值与 SRF 是否满足滤波/匹配目标;对于电源降噪,关注 DCR 对效率的影响。
  • 若需更详尽的机械尺寸、频率特性曲线或温漂与封装图,建议查阅 TDK 官方元件手册或样片测试以作最终确认。

总体而言,MLJ1608WR33JT000 在体积、频率特性与电流能力之间取得平衡,适合中频滤波与一般功率/信号通道的贴片电感应用。

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