WMSIC Electronic Components

Sunlord SDCL0603Q4N3ST02B03

ModelSDCL0603Q4N3ST02B03
Package0201
BrandSUNLORD
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
Sunlord SDCL0603Q4N3ST02B03
Type
SUNLORD
Minimum package
15000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUNLORD
Electronic Component
SDCL0603Q4N3ST02B03
Electronic Component
1
Package
0201
Type
Inductor
Electronic Component
SMD Inductor
Electronic Component
0.009g
Inductor
4.3nH
Electronic Component
1
Factor
13@500MHz
Electronic Component
BM0265148822
Current
350mA
Frequency
6.8GHz
Resistor(DCR)
400mΩ
Electronic Component
Electronic Component

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

Sunlord SDCL0603Q4N3ST02B03 叠层高频电感产品概述

顺络电子(Sunlord)推出的SDCL0603Q4N3ST02B03是一款专为高频射频电路设计的叠层片式电感,采用0201(英制)/0603(公制)小型化封装,具备精准电感值、低损耗、高Q值等核心优势,广泛适配无线通信、物联网等领域的高频应用需求。

一、产品基本定位与封装规格

该电感属于顺络高频叠层电感系列,型号字符对应明确:

  • “SDCL”:系列标识(叠层高频电感);
  • “0603”:封装尺寸(公制0.6mm×0.3mm,英制0201);
  • “Q4N3”:标称电感值4.3nH;
  • “ST02B03”:规格后缀(定义公差、电流等参数)。

采用叠层工艺制造,相比传统绕线电感,具有体积更小、一致性更好、可靠性更高的特点,适合高密度SMT贴装,是小型化电子设备的理想选择。

二、核心电性能参数详解

作为高频应用的关键元件,其核心参数需重点关注:

  1. 电感值与公差:标称4.3nH,公差±0.3nH,满足射频电路对电感精度的要求,避免因偏差导致匹配性能下降;
  2. 额定直流电流:350mA(额定温度下允许的最大直流电流),超过可能导致电感饱和或温升超限;
  3. 直流电阻(DCR):400mΩ(典型值),低电阻可减少功率损耗,降低电路功耗,适配电池供电的便携设备;
  4. 品质因数(Q值):13@500MHz,Q值为储能与损耗比值,越高则损耗越小,该值可有效提升射频电路的效率与信噪比;
  5. 自谐振频率(SRF):6.8GHz,当工作频率接近/超过SRF时,电感会因寄生电容谐振呈容性,因此实际应用需确保工作频率远低于6.8GHz。

三、设计特点与优势

  1. 小型化封装适配高密度设计:0201封装体积仅0.6mm×0.3mm,大幅节省PCB空间,满足智能手机、智能穿戴等便携设备的小型化需求;
  2. 高频性能稳定可靠:叠层工艺减少寄生参数(寄生电容、电阻),配合6.8GHz的SRF,确保2.4G~5G频段内保持电感特性,避免性能突变;
  3. 低损耗提升电路效率:400mΩ的低DCR与13@500MHz的高Q值,降低射频信号插入损耗,提升放大器增益、滤波器选择性等关键性能;
  4. 宽温适应性与可靠性:常规支持-40℃~+85℃工作温度,叠层结构无绕线易断问题,耐振动、冲击性能优异,适配工业与消费电子复杂环境。

四、典型应用场景

该电感主要应用于高频电感匹配场景:

  1. 无线通信终端:手机、平板的WiFi(2.4G/5G)、蓝牙(2.4G)、GPS(1.575GHz)等射频前端的匹配网络、滤波电路;
  2. 5G sub-6GHz设备:小基站、CPE的收发链路电感元件,适配<6GHz频段需求;
  3. 物联网(IoT)模块:低功耗蓝牙(BLE)、ZigBee、LoRa等无线模块的天线匹配、射频滤波,满足低功耗与小型化要求;
  4. 高频电子设备:射频放大器、混频器、振荡器等电路中的电感,提升信号纯度与传输效率。

五、应用注意事项

  1. 频率范围限制:实际工作频率需远低于6.8GHz,建议应用于<6GHz频段,避免电感呈容性影响性能;
  2. 电流承载考量:额定直流电流350mA为最大值,交流信号需计算有效值,避免超过导致电感饱和;
  3. 贴装与焊接:0201封装需高精度SMT设备,焊接温度需符合顺络推荐回流焊曲线,避免虚焊、桥接;
  4. 环境适配:极端温度(>85℃)或高湿度环境需确认特殊规格版本,确保可靠性。

SDCL0603Q4N3ST02B03凭借小型化、高频低损耗、高可靠性等特点,成为无线通信、物联网领域高频电路的主流选择,可有效提升设备射频性能与集成度。

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