WMSIC Electronic Components

Sunlord SDCL0603Q18NJT02B03

ModelSDCL0603Q18NJT02B03
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 SDCL0603Q18NJT02B03
Type
0201
Minimum package
15000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUNLORD
Electronic Component
SDCL0603Q18NJT02B03
Electronic Component
1
Package
0201
Electronic Component
SMD Inductor
Electronic Component
±5%
Electronic Component
0.009g
Inductor
18nH
Electronic Component
1
Factor
13@500MHz
Electronic Component
BM0264825702
Current
200mA
Frequency
2.3GHz
Resistor(DCR)
800mΩ
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.

SDCL0603Q18NJT02B03 贴片电感产品概述

一、产品定位与核心应用场景

SDCL0603Q18NJT02B03是顺络电子(Sunlord)推出的高频小功率贴片电感,采用0201(英制)超小型封装,专为便携式电子设备、射频无线模块等高密度设计场景打造。其核心定位是满足中高频(500MHz左右)电路的匹配、滤波、谐振需求,兼具小型化与低损耗特性。

典型应用场景包括:

  1. 无线通信模块:蓝牙(BT)、WiFi(2.4G/5G)、LoRa等短距离无线模块的射频前端匹配电路;
  2. 便携式设备:智能手机、智能手表、TWS耳机等小型电子设备的电源滤波或信号调理电路;
  3. 物联网终端:低功耗物联网节点的射频链路设计,适配1GHz以下的中高频应用;
  4. 小型电子组件:如摄像头模组、传感器模块的EMI滤波电路。

二、核心电气参数详解

该电感的关键电气参数直接决定了其应用适配性,具体如下:

1. 电感值与精度

电感标称值为18nH,精度±5%,满足大多数消费电子、射频电路的匹配精度要求(无需更高精度的特殊场景)。18nH的电感量属于中高频常用值,可用于射频信号的阻抗匹配、谐振回路调谐等。

2. 额定电流与直流电阻

  • 额定电流(Idc):200mA:指电感在直流工作下,电感值变化不超过±10%的最大允许电流,实际应用中需确保工作电流不超过此值,避免电感饱和导致性能下降;
  • 直流电阻(DCR):800mΩ:低DCR设计可有效降低直流功耗,减少热损耗,提升设备续航能力(尤其适合电池供电的便携式设备)。

3. 品质因数(Q值)与自谐振频率(SRF)

  • Q值:13@500MHz:Q值反映电感储能与损耗的比值,中高频下(500MHz)Q值13属于较高水平,可提升滤波电路的选择性、谐振回路的效率;
  • 自谐振频率(SRF):2.3GHz:电感自身寄生电容与电感量形成的谐振频率,高于目标工作频段(500MHz左右),确保电感在目标频段内保持纯感性,避免进入容性区域导致电路性能异常。

三、封装与物理特性

该电感采用0201(英制)贴片封装,对应公制尺寸约为0.6mm(长)×0.3mm(宽)×0.3mm(高),具体参数如下(顺络官方标准):

  • 长:0.6±0.03mm;
  • 宽:0.3±0.03mm;
  • 高:0.3±0.05mm;
  • 焊盘尺寸:0.15mm×0.2mm(典型值)。

超小型封装优势:

  1. 适配高密度PCB设计,满足便携式设备的小型化需求;
  2. 兼容SMT自动贴装工艺,生产效率高,适合大规模量产;
  3. 低寄生参数(如寄生电容、电感),减少对射频信号的干扰。

四、品质与可靠性说明

顺络作为国内电感行业龙头企业,SDCL0603Q18NJT02B03具备以下品质优势:

  1. 一致性好:采用成熟的绕线/薄膜工艺,批次间电感值、DCR差异小,满足量产稳定性要求;
  2. 环保合规:符合RoHS、REACH等国际环保标准,无有害物质;
  3. 焊接可靠性:兼容常规回流焊、波峰焊工艺,焊接后无虚焊、脱落等问题;
  4. 长期稳定性:在-40℃~+85℃工作温度范围内,性能稳定,适合户外/ harsh环境应用。

五、设计注意事项

为确保该电感在电路中发挥最佳性能,设计时需注意以下几点:

  1. 工作频率限制:建议工作频率低于SRF(2.3GHz),若需在更高频率应用,需重新评估电感的阻抗特性;
  2. 电流控制:实际直流工作电流不超过200mA,避免电感饱和;
  3. PCB布局优化:
    • 电感周围尽量减少走线长度,避免引入额外寄生电容;
    • 远离高频干扰源(如晶振、射频功放),减少串扰;
  4. 焊接工艺:遵循顺络推荐的回流焊温度曲线(峰值温度245℃±5℃,时间≤30s),避免过热损坏电感。

该产品凭借小型化、低损耗、高频性能优异等特点,成为便携式电子与射频模块设计的优选电感之一。

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