WMSIC Electronic Components

Sunlord SDFL2012LR22KTF

ModelSDFL2012LR22KTF
Package0805
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Sunlord SDFL2012LR22KTF
Type
SUNLORD
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUNLORD
Electronic Component
SDFL2012LR22KTF
Electronic Component
1
Package
0805
Type
Inductor
Electronic Component
SMD Inductor
Electronic Component
±10%
Electronic Component
0.037g
Inductor
220nH
Electronic Component
1
Factor
20@25MHz
Electronic Component
BM0265590017
Current
250mA
Frequency
170MHz
Resistor(DCR)
500mΩ

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

SDFL2012LR22KTF 产品概述(顺络0805叠层贴片电感)

一、产品基本定位

SDFL2012LR22KTF是顺络电子(Sunlord)推出的0805封装叠层贴片电感,属于小型化射频/中频电感范畴,专为消费电子、无线通信等领域的小型化电路设计,兼顾电气性能与生产兼容性,可满足高密度电路板的布局需求。

二、核心电气参数解析

该电感的关键参数围绕“小型化+射频适配”设计,具体特性如下:

  1. 电感值与精度:标称电感值220nH(纳亨),精度±10%,无需额外高精度校准即可满足大多数通用电路的匹配、滤波需求;
  2. 额定电流:最大连续工作电流250mA(毫安),指环境温度25℃下电感温升不超过40℃的安全电流,覆盖小型无线设备的电源扼流、信号路径电流;
  3. 直流电阻(DCR):典型值500mΩ(毫欧),低DCR设计减少直流损耗,提升电路效率,适配对功耗敏感的便携设备;
  4. 品质因数(Q值):25MHz下Q值≥20,Q值反映电感储能与损耗比,20的Q值在中频段(10-50MHz)表现优异,适合射频中频滤波、天线匹配;
  5. 自谐振频率(SRF):典型值170MHz,指电感寄生电容与自身谐振的频率,实际应用建议工作频率低于SRF的1/2(约85MHz),避免电感特性向电容转变。

三、封装与物理特性

  • 封装规格:0805封装(英制尺寸:2.0mm×1.2mm,公制对应2012),符合国际贴片标准,兼容主流SMT生产线,适配高密度电路板布局;
  • 叠层结构优势:采用多层陶瓷叠层工艺,相比绕线电感体积更小、一致性更好,无绕线松动问题,抗振动性能优异,满足便携设备可靠性要求;
  • 焊接兼容性:支持回流焊、波峰焊等常规工艺,焊接温度需遵循顺络规范(峰值260℃±5℃,回流时间≤10秒),避免高温损坏。

四、典型应用场景

基于参数特性,该电感主要适用于以下场景:

  1. 无线通信终端:蓝牙耳机、智能手环、WiFi路由器等设备的射频中频(IF)滤波电路,25MHz下高Q值有效滤除杂波;
  2. 天线匹配网络:小型无线设备的天线前端匹配,220nH电感调整天线阻抗,提升信号收发效率;
  3. 电源滤波与扼流:便携设备低压直流电源路径,250mA额定电流满足小功率电源EMI抑制需求;
  4. 消费电子模块:智能手表、智能家居传感器的信号调理电路,小型化封装适配高密度模块设计。

五、使用注意事项

  1. 电流限制:严禁超过250mA额定电流,否则电感过热导致参数漂移甚至损坏;
  2. 频率范围:工作频率建议控制在85MHz以下,高频应用需实测验证电感特性;
  3. 焊接规范:避免高温/长时间焊接,优先回流焊,波峰焊注意引脚浸润性;
  4. 存储环境:未使用电感存储在干燥通风环境(湿度≤60%,温度-40℃~85℃),防止受潮影响焊接性能。

六、品牌与可靠性说明

顺络电子作为国内电感制造龙头,SDFL2012LR22KTF通过RoHS、REACH环保认证,符合欧盟及国内电子电器环保要求;产品经温度循环、振动等可靠性测试,可满足消费电子、通信设备长期稳定运行需求。

该产品以“小型化+高性价比”为核心,是便携无线设备、消费电子模块的优选电感方案。

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