WMSIC Electronic Components

Sunlord SDCL0603Q3N9ST02B03

ModelSDCL0603Q3N9ST02B03
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 SDCL0603Q3N9ST02B03
Type
SUNLORD
Minimum package
15000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUNLORD
Electronic Component
SDCL0603Q3N9ST02B03
Electronic Component
1
Package
0201
Type
Inductor
Electronic Component
SMD Inductor
Electronic Component
0.009g
Inductor
3.9nH
Electronic Component
1
Factor
13@500MHz
Electronic Component
BM0265589991
Current
400mA
Frequency
7.4GHz
Resistor(DCR)
300mΩ
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 SDCL0603Q3N9ST02B03 叠层贴片电感产品概述

一、产品基本定位与封装规格

SDCL0603Q3N9ST02B03是顺络电子(Sunlord)推出的超小型叠层贴片电感,属于公司高频电感系列产品。其封装采用0603公制尺寸(对应英制0201),实际尺寸为0.6mm×0.3mm×0.3mm,体积仅为传统绕线电感的1/3左右,专为高密度PCB布局设计。产品符合RoHS无铅标准,兼容回流焊、波峰焊等主流贴片工艺,可直接用于消费电子、通信设备的批量生产。

二、核心电气参数及应用价值

该产品的关键参数针对高频、小型化场景优化,具体解析如下:

1. 电感量:3.9nH(±5%公差)

稳定的低电感值是高频电路的核心需求——3.9nH可精准匹配WiFi6(5GHz)、蓝牙5.2(2.4GHz)等频段的信号路径,避免电感过大导致的信号延迟,同时满足电源滤波的快速响应要求。

2. 额定电流:400mA(直流叠加)

额定电流是电感允许的最大持续工作电流,400mA可覆盖TWS蓝牙耳机、智能手环等便携设备的典型工作电流(通常100-300mA),且叠层工艺的磁芯特性可避免电流过载导致的电感饱和(饱和电流约为额定电流的1.2倍)。

3. 直流电阻(DCR):300mΩ(典型值)

低DCR是降低电路损耗的关键——400mA工作电流下,功率损耗仅约48mW,可减少便携设备的热耗,间接提升电池续航(以1000mAh电池为例,每天减少约0.2%的额外损耗)。

4. 品质因数(Q值):13@500MHz

Q值反映电感的储能/损耗比,13@500MHz的高Q值意味着在射频频段内信号损耗小,可保证WiFi6的信号传输完整性(减少误码率),同时降低射频前端的功耗。

5. 自谐振频率(SRF):7.4GHz

电感在SRF以下表现为感性,以上转为容性。7.4GHz的谐振点覆盖了5G sub-6GHz(2.6-6GHz)、WiFi6(2.4/5GHz)等主流高频频段,避免在常用场景下发生谐振,保证电路性能稳定。

三、叠层工艺与可靠性优势

顺络采用多层陶瓷叠层工艺,相比绕线电感具有明显优势:

  • 一致性强:叠层工艺可精确控制电感量公差,批量产品偏差<±5%,减少电路调试工作量;
  • 抗干扰好:陶瓷磁芯的电磁屏蔽性优于绕线电感,可降低相邻电路的串扰(如射频模块与数字电路的干扰);
  • 可靠性高:回流焊后电感值漂移<±2%,耐温范围-40℃~+85℃,满足工业级及消费级设备的环境要求;
  • 无引脚设计:避免了绕线电感引脚断裂的风险,提升长期使用稳定性。

四、典型应用场景

该产品的参数特性使其适用于以下场景:

  1. 高频通信模块:5G手机、WiFi6路由器的射频前端匹配电路,3.9nH电感用于信号路径的阻抗匹配;
  2. 便携电子设备:TWS蓝牙耳机、智能手环的电源滤波电路,低DCR减少电池损耗;
  3. 物联网终端:低功耗物联网节点的去耦电路,超小型封装适合节点设备的高密度PCB;
  4. 无线充电:Qi标准无线充电接收端的谐振匹配电感,配合电容形成高效谐振回路。

五、使用注意事项

  1. 电流限制:实际工作电流需低于400mA,若电流过载,电感磁芯饱和会导致电感量下降30%以上;
  2. 频率范围:建议在7.4GHz以下使用,若应用频率接近SRF,需增加电容补偿电感的容性特性;
  3. 焊接工艺:遵循0201封装回流焊曲线(峰值温度245±5℃,时间30-60秒),避免虚焊或过热损坏;
  4. 环境要求:避免在高湿度(>90%RH)或强电磁干扰环境下长期使用,必要时增加金属屏蔽罩。

综上,SDCL0603Q3N9ST02B03以“超小型封装+低损耗+宽频特性”为核心优势,是高频便携设备及通信模块的高性价比电感选型,兼顾性能与可靠性。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.