WMSIC Electronic Components

Sunlord SDCL1005C33NHTDF

ModelSDCL1005C33NHTDF
Package0402
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

13 specifications

Core information

Product name
Sunlord SDCL1005C33NHTDF
Type
SUNLORD
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUNLORD
Electronic Component
SDCL1005C33NHTDF
Electronic Component
1
Package
0402
Electronic Component
0.008g
Electronic Component
1
Electronic Component
BM0230675513
Electronic Component
Electronic Component
Electronic Component
10000

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

SDCL1005C33NHTDF 产品概述

一、产品简介

SDCL1005C33NHTDF 为顺络(Sunlord)系列贴片叠层电感,封装尺寸为0402(1005公制)。标称电感值为33nH,公差±3%,额定直流电流为200mA,直流电阻(DCR)约为800mΩ。该器件在100MHz 时品质因数(Q)约为8,自谐振频率(SRF)约为1.3GHz,适合在中高频段作为滤波、阻抗匹配及抗干扰元件使用。

二、主要参数与特性

  • 电感值:33 nH,精度 ±3%,适用于对电感精度有较高要求的电路。
  • 额定电流:200 mA,适合小电流应用场景;超过额定电流时需关注电感值随直流偏置的下降及温升。
  • 直流电阻:约 800 mΩ,属于较高 DCR,意味着在直流通过时会有一定功耗和压降,不推荐用于大电流能量存储场合。
  • 品质因数:Q ≈ 8 @100MHz,表示在该频段有适度的能量损耗特性,适合用于抑制高频干扰而非高Q谐振电路。
  • 自谐振频率:≈1.3 GHz,工作频率应低于SRF以维持电感性特性,SRF以上呈容性行为。
  • 类型与封装:叠层陶瓷/薄膜结构,0402 小尺寸,利于高密度贴装与轻量化设计。

三、典型应用场景

  • 射频前端与中频段的阻抗匹配、偏置网络或去耦网络(在目标频率低于SRF时)。
  • EMI/EMC 抑制:作为共模或差模干扰的抑制元件,用于信号线或敏感接口的滤波。
  • 高频信号链路的滤波与隔离(如时钟、射频链路的旁路与屏蔽)。
  • 便携式与空间受限设备的信号完整性优化(移动终端、无线模块、GPS 等)。

四、封装与焊接建议

  • 0402 小尺寸需在贴片机与回流焊工艺下加工,推荐采用标准无铅回流曲线并确保焊盘尺寸与厂方推荐焊盘图一致以保证焊点可靠性。
  • TDF 后缀通常指卷带盘装(Tape & Reel),便于高速贴片生产线使用;收货后注意防潮保存,遵循厂商的乾燥箱或湿敏等级(MSL)要求。

五、测试与验收要点

  • 电感值及Q:使用 LCR 仪在目标频率(如100MHz)和常温下测试,注意仪器测试端的寄生影响,必要时采用校准基准。
  • DCR:建议采用四线法直流电阻测量仪器以获得准确值。
  • 自谐振频率:采用网络分析仪(VNA)扫描频率范围以确认SRF位置及器件在频谱中的行为变化。
  • 温升与电流承受能力:在额定电流及高于额定电流条件下评估温升与电感值漂移,验证是否满足系统热设计要求。

六、设计注意事项

  • 由于 DCR 较高且额定电流仅200mA,不建议用作电源侧大电流能量存储元件;更适合用于信号线滤波与抗干扰。
  • 在靠近敏感射频前端时,留意电感对阻抗的影响与寄生电容,必要时在仿真环境中联合布局与走线优化。
  • 工作频率应留有裕度低于 SRF,以免器件在工作带宽内出现容性失效。
  • 小封装对贴装质量敏感,建议在生产过程中控制回流温度、焊膏量及贴装精度,避免机械应力导致裂纹或性能退化。

总结:SDCL1005C33NHTDF 是一款面向中高频抑干扰与滤波应用的0402贴片叠层电感,具有精度高(±3%)与较高SRF的优点,但需注意其较高DCR与较低额定电流的局限性,在设计与生产中应根据实际应用场景选择并进行相应的测试验证。

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