WMSIC Electronic Components

Sunlord SDCL0603Q3N3ST02B03

ModelSDCL0603Q3N3ST02B03
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 SDCL0603Q3N3ST02B03
Type
SUNLORD
Minimum package
15000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUNLORD
Electronic Component
SDCL0603Q3N3ST02B03
Electronic Component
1
Package
0201
Type
Inductor
Electronic Component
SMD Inductor
Electronic Component
0.009g
Inductor
3.3nH
Electronic Component
1
Factor
13@500MHz
Electronic Component
BM0265071902
Current
450mA
Frequency
8.1GHz
Resistor(DCR)
250mΩ
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.

SDCL0603Q3N3ST02B03 贴片叠层电感产品概述

SDCL0603Q3N3ST02B03是顺络电子(Sunlord)针对高频小信号场景推出的0201封装叠层贴片电感,以体积紧凑、高频特性优异、一致性稳定为核心特点,广泛适配无线通信、物联网等高密度PCB设计需求。

一、产品基本属性

该电感属于顺络叠层电感系列,型号命名对应明确:

  • SDCL:顺络叠层电感标识;
  • 0603:英制0201封装(公制尺寸0.6mm×0.3mm);
  • Q3N3:标称电感值3.3nH(“3N3”为行业通用电感值标注);
  • ST02B03:工艺细节标识(含标准温度特性、常规端电极设计)。

产品类型为高频叠层贴片电感,采用多层陶瓷介质叠合金属线圈工艺,无绕线结构,解决了传统绕线电感一致性差、体积大的问题。

二、核心电气参数解析

参数设计精准匹配高频小功率应用,关键指标如下:

1. 电感值与精度

标称电感值3.3nH,叠层工艺保证批量生产一致性(顺络同系列精度±5%),满足射频电路对阻抗匹配的精度要求——3.3nH是2.4GHz~5GHz频段的常用电感值,适配蓝牙、WiFi等主流无线场景。

2. 额定电流与直流电阻

  • 额定电流(Isat):450mA:指电感值下降≤10%时的最大直流叠加电流,适合小功率射频模块(如TWS耳机、IoT节点的电源滤波);
  • 直流电阻(DCR):250mΩ:叠层线圈的直流损耗电阻,低DCR可减少发热、提升电路效率,避免信号衰减。

3. 品质因数(Q值)与自谐振频率(SRF)

  • Q值:13@500MHz:Q值=2πfL/R(f为工作频率),Q值越高则电感储能/损耗比越大。13@500MHz的Q值在同封装电感中表现优异,可有效降低射频滤波、振荡电路的信号损耗;
  • 自谐振频率(SRF):8.1GHz:电感与寄生电容谐振的频率,工作频率需远离SRF(否则电感特性转电容)。8.1GHz的SRF覆盖2GHz~6GHz频段,适配蓝牙5.0、5GHz WiFi等主流无线应用。

三、封装与结构特点

1. 超小型0201封装

公制尺寸0.6mm×0.3mm×0.3mm,体积仅为0402封装的1/4,适配智能手机、智能穿戴等高密度PCB设计,显著节省板级空间。

2. 叠层结构优势

  • 一致性稳定:多层陶瓷叠合工艺可精确控制电感值,批量误差极小;
  • 可靠性高:无绕线结构避免线圈松动、断线风险,耐振动、冲击性能优于绕线电感;
  • 贴装兼容:端电极采用标准SMD设计,可兼容常规回流焊工艺,贴装效率高。

四、典型应用场景

该电感针对高频小信号优化,核心应用包括:

1. 无线通信模块

  • 蓝牙5.0/5.1模块:LC滤波、天线匹配网络;
  • 2.4GHz/5GHz WiFi模块:信号滤波、LNA(低噪声放大器)输入/输出匹配;
  • ISM频段(433MHz、868MHz)IoT节点:射频信号滤波。

2. 射频前端电路

  • TWS无线耳机:收发器滤波与阻抗匹配;
  • 小型无线充电接收端:高频滤波与匹配网络;
  • 智能手表射频模块:电源去耦滤波(降低电源噪声干扰)。

3. 小功率电源滤波

  • 手机DC-DC转换器输出滤波(小电流场景);
  • 射频芯片电源去耦(抑制高频噪声)。

五、性能优势与注意事项

1. 核心优势

  • 高频特性优异:SRF达8.1GHz,覆盖主流无线频段;
  • 损耗低:Q值13@500MHz,信号衰减小;
  • 体积紧凑:0201封装适配高密度设计;
  • 可靠性高:叠层结构耐振动、一致性稳定。

2. 注意事项

  • 远离SRF:工作频率需避开8.1GHz,避免电感特性失效;
  • 电流限制:实际电流≤450mA,否则电感值下降影响电路性能;
  • 贴装工艺:回流焊峰值温度控制在230℃~245℃,避免损伤电感;
  • 存储环境:温度-40℃~85℃、湿度≤60%,避免极端环境影响性能。

综上,SDCL0603Q3N3ST02B03是高频小信号场景的高性价比选择,可满足无线通信、物联网等领域的高密度PCB设计需求,是射频滤波、匹配、电源去耦的理想元件。

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