WMSIC Electronic Components

Sunlord SDCL1608C68NJTDF

ModelSDCL1608C68NJTDF
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 SDCL1608C68NJTDF
Type
SUNLORD
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUNLORD
Electronic Component
SDCL1608C68NJTDF
Electronic Component
1
Package
0603
Electronic Component
SMD Inductor
Electronic Component
±5%
Electronic Component
0.027g
Inductor
68nH
Electronic Component
1
Factor
12@100MHz
Electronic Component
BM0228216259
Current
300mA
Frequency
900MHz
Resistor(DCR)
850mΩ
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.

SDCL1608C68NJTDF 产品概述 — 顺络(Sunlord)0603 贴片电感(68 nH)

一、产品简介

SDCL1608C68NJTDF 是顺络(Sunlord)推出的一款微小封装贴片电感,封装对应国际0603(1608公制)尺寸,标称电感值 68 nH,公差 ±5%。该器件面向高频信号链路和小型化电子设备,兼顾射频性能与体积限制,适用于对尺寸和频响有要求的场合。

二、主要规格

  • 电感值:68 nH ±5%
  • 额定电流:300 mA(最大持续通过电流,受温升限制)
  • 直流电阻(DCR):约 850 mΩ
  • 品质因数(Q):12 @ 100 MHz
  • 自谐振频率(SRF):约 900 MHz
  • 封装:0603(1608 公制)
  • 品牌:Sunlord(顺络)
    描述:贴片电感 850mΩ 68nH ±5% 300mA

三、电气性能解读

  • 在 100 MHz 时的感抗约为 X_L = 2πfL ≈ 2π×100 MHz×68 nH ≈ 43 Ω,结合 Q=12,可以推算出此频率下的等效串联损耗电阻约为 3.6 Ω(包含寄生电阻和高频损耗),明显高于直流DCR(0.85 Ω),表明高频损耗对性能有显著影响。
  • 自谐振频率 900 MHz 表明在该频点及其以上,器件呈现电容性特征,感抗不再随频率线性增长,设计时需避免在接近或高于 SRF 的频段当作理想电感使用。
  • 额定电流 300 mA 为热容许电流,超过该值可能导致电感温升、参数漂移或可靠性下降;与直流电阻联动,需要评估电源或偏置电流下的功耗与温升。

四、典型应用场景

  • 射频匹配网络与谐振电路(VHF/UHF 低功率场景,注意 SRF 限制)
  • 射频偏置线(bias choke)与供电去耦,尤其是空间受限的小型模块
  • 高频滤波与 EMI 抑制(与电容组成 LC 或 π 型网络)
  • 无线模块、蓝牙/Wi‑Fi 前端、移动终端射频路径和天线匹配(低功耗类应用)

五、选型建议

  • 若关注插损/串联损耗(尤其在信号链中),应注意 Q 值与等效高频串联电阻(ESR)。本器件在 100 MHz 有较高感抗但等效损耗也不低,适合作为阻抗性隔离或偏置线用件;用于低损耗射频传输时需要权衡。
  • 若电路有持续较大直流偏置,需评估 DCR 引起的压降与发热;若要求更低 DCR 或更高电流能力,应选择更大封装或低阻系列。
  • 工作频率应明显低于 SRF(900 MHz),以确保表现接近标称电感值;接近 SRF 时请参考厂方的阻抗曲线。

六、布局与封装注意事项

  • 0603 尺寸要求严格的贴装工艺:推荐按厂方或通用 0603 焊盘设计,避免过小或过大的焊盘导致应力或焊点可靠性问题。
  • 在射频路径中,尽量将电感靠近器件引脚或需屏蔽点放置,以缩短走线,减少寄生电感与环路面积。
  • 与地和电源平面的过孔及走线应合理规划,避免在电感附近形成非预期耦合。

七、焊接、储存与可靠性

  • 遵循通用无铅回流焊工艺,峰值温度与曲线请以器件数据表为准;在无器件数据表可得时,建议遵循 IPC/JEDEC 建议的回流曲线并控制峰值温度。
  • 储存和搬运时避免潮湿与机械冲击,贴片器件易被破损或受力导致电感值变化。
  • 器件适用于一般商用电子产品的可靠性要求;在特殊环境(高温、振动、极端湿度)下,建议做额外可靠性验证。

八、结语

SDCL1608C68NJTDF 是一款面向高频与小体积应用的 68 nH 贴片电感,封装紧凑、适用于偏置线和小功率射频滤波场景。选型时应综合考虑直流电阻、额定电流、频率特性(包括 Q 值与 SRF)与热管理策略,确保在目标工作频段和电流条件下性能满足系统要求。具体设计或量产前,建议参照顺络提供的详细数据表与阻抗曲线,并在实物上进行频率响应与温升验证。

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