WMSIC Electronic Components

Sunlord SDFL1608S8R2KTF

ModelSDFL1608S8R2KTF
Package0603
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 SDFL1608S8R2KTF
Type
SUNLORD
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUNLORD
Electronic Component
SDFL1608S8R2KTF
Electronic Component
1
Package
0603
Electronic Component
SMD Inductor
Electronic Component
±10%
Electronic Component
0.027g
Inductor
8.2uH
Electronic Component
1
Factor
35@4MHz
Electronic Component
BM0265734689
Current
5mA
Frequency
18MHz
Resistor(DCR)
2.1Ω
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.

顺络SDFL1608S8R2KTF贴片电感产品概述

一、产品基本信息

顺络SDFL1608S8R2KTF是一款0603封装贴片电感,由国内被动元器件龙头厂商Sunlord(顺络)研发生产,属于小型化高频电感范畴,主要面向低功耗、中高频电子电路的滤波、匹配及储能需求。该型号通过行业通用标识(8R2)明确电感值,便于工程师快速选型识别,是消费电子、物联网等领域的常用基础元件。

二、核心电气参数解析

该电感的关键性能参数精准匹配中高频低功耗场景,具体如下:

  1. 电感值与精度:标称电感量为8.2uH(型号中“8R2”为行业标识,“R”替代小数点),精度±10%,实际电感量范围在7.38uH~9.02uH之间,满足大多数常规电路的误差要求;
  2. 额定电流:允许通过的最大直流电流为5mA,是电感正常工作的核心限制条件——若电流超标,可能因磁芯饱和、绕组发热导致性能下降甚至损坏,适合低电流驱动的便携设备;
  3. 直流电阻(DCR):绕组直流电阻为2.1Ω,属于同封装同电感量中的低阻值水平,可有效降低直流损耗,提升电路效率(尤其适配低电压供电场景);
  4. 品质因数(Q值):在4MHz频率下Q值达35,Q值是电感“储能能力与损耗的比值”,35的Q值说明该电感在4MHz频段储能效率较高,适合射频信号滤波、匹配等低损耗需求;
  5. 自谐振频率(SRF):自身电感与寄生电容的谐振频率为18MHz,当电路工作频率低于18MHz时,电感保持纯电感特性;若超过18MHz,电感会表现为电容特性,因此适用于工作频率远低于18MHz的场景(如4MHz左右的无线通信模块)。

三、封装与物理特性

SDFL1608S8R2KTF采用0603贴片封装,公制尺寸为1.6mm×0.8mm(英制对应0.06英寸×0.03英寸),是电子电路中常见的小型化封装之一,具有以下优势:

  • 适配高密度PCB设计:小尺寸可减少电路板占用空间,适合智能手环、蓝牙耳机等便携设备的紧凑布局;
  • 自动化贴装:符合SMT(表面贴装技术)标准,可通过自动化设备快速贴装,提升生产效率;
  • 可靠性高:封装结构稳定,抗振动、抗冲击性能满足消费级产品的环境要求。

四、典型应用场景

结合参数特性,该电感主要应用于以下场景:

  1. 低功耗便携电子:如智能手环、蓝牙耳机、智能手表的电源滤波、信号匹配电路,5mA额定电流与小封装完美适配这类设备的低电流、紧凑设计需求;
  2. 中高频无线通信模块:如2.4GHz以下频段的蓝牙、WiFi模块的射频前端滤波、阻抗匹配,35@4MHz的Q值与18MHz的SRF可保障信号传输效率;
  3. 物联网传感器节点:如环境监测传感器、智能家居节点的电源EMI(电磁干扰)滤波,低DCR可减少节点功耗,延长电池续航;
  4. 小型电源模块:如DC-DC降压模块的输出滤波电感,满足低电流输出场景的滤波需求。

五、选型注意事项

工程师选用该型号时需注意以下要点:

  1. 电流限制:严禁超过5mA额定电流,若电路实际电流较大,需选择额定电流更高的同电感量型号;
  2. 频率范围:工作频率需低于18MHz(SRF),否则电感特性失效,需根据实际频率选择对应型号;
  3. 精度需求:±10%精度适合常规场景,若需更高精度(如±5%),需确认顺络是否有对应替代型号;
  4. 环境适应性:该型号为常规消费级封装,若应用于工业级高温、高湿环境,需评估顺络工业级电感的适用性。

顺络SDFL1608S8R2KTF凭借小型化、高频性能佳、低损耗等优势,成为中高频低功耗电路的高性价比选择,广泛应用于消费电子、物联网等领域,是工程师选型中常用的基础电感元件。

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