WMSIC Electronic Components

Chilisin CS0603-R18J-S CS0603

ModelCS0603-R18J-S
Package0603
Brandchilisin
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
chilisin CS0603-R18J-S
Type
CHILISIN
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CHILISIN
Electronic Component
CS0603-R18J-S
Electronic Component
1
Package
0603
Electronic Component
SMD Inductor
Electronic Component
±5%
Electronic Component
0.036g
Inductor
180nH
Electronic Component
1
Factor
25@100MHz
Electronic Component
BM0265446716
Current
240mA
Frequency
990MHz
Resistor(DCR)
1.25Ω
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.

奇力新CS0603-R18J-S贴片电感产品概述

一、产品基本信息

CS0603-R18J-S是奇力新(Chilisin) 推出的高频贴片电感,属于0603封装系列(英制尺寸1.6mm×0.8mm,对应公制1608)。该产品针对小体积、低损耗、高频应用设计,广泛适配便携设备、物联网模块等场景,是射频电路中阻抗匹配、滤波、谐振的核心元件之一。

二、核心电性能参数详解

1. 电感值与精度

电感标称值为180nH,精度等级为**±5%**(型号中“J”为精度代码,对应E24系列±5%公差)。该精度满足绝大多数射频电路的阻抗匹配需求,例如Sub-GHz频段的无线通信模块,无需额外校准即可实现稳定的信号传输。

2. 额定电流与功率损耗

额定电流为240mA,定义为电感在最大温升≤40℃(常规标准)时的连续工作电流。需注意:峰值电流不得超过额定电流,否则会导致磁芯饱和(电感值骤降)或线圈过热(DCR损耗加剧)。结合其1.25Ω直流电阻(DCR),实际功率损耗为(I^2R),240mA下损耗仅约72mW,符合低功耗设计要求。

3. 品质因数(Q值)

Q值为25@100MHz,是电感“储能能力/损耗”的比值(公式:(Q=2πfL/R))。高Q值意味着电感在谐振电路、射频匹配网络中损耗更低,例如100MHz左右的LC滤波器可获得更窄的带宽与更高的信号纯度。

4. 自谐振频率(SRF)

自谐振频率为990MHz,即电感与自身寄生电容谐振的频率。当工作频率远低于SRF(建议≤70%SRF,即≤693MHz)时,电感保持“感性”特性;若接近或超过SRF,电感会表现为电容,导致电路性能失效。因此该产品更适合Sub-GHz频段(如868MHz、915MHz ISM频段)应用。

三、封装与工艺特点

1. 0603封装优势

体积仅1.6mm×0.8mm,厚度约0.8mm,适配高密度PCB设计(如智能手机、可穿戴设备的射频模块),可有效节省空间,满足小型化趋势。

2. 奇力新工艺特性

采用高磁导率铁氧体磁芯+精细绕线工艺:

  • 磁芯稳定性好,温度系数低(-40℃~+85℃范围内电感值漂移≤10%);
  • 绕线均匀性高,DCR一致性优于常规产品,适合批量生产;
  • 表面贴装焊盘设计兼容回流焊,焊接可靠性符合IPC-A-610标准,避免虚焊、假焊问题。

四、典型应用场景

1. Sub-GHz射频通信

如低功耗蓝牙(BLE)、物联网(IoT)模块(868MHz/915MHz)、无线传感器网络,利用其高Q值实现信号滤波与阻抗匹配,降低传输损耗。

2. 小功率电源滤波

小型DC-DC转换器(输出电流≤200mA)的输出滤波,或射频电路的电源去耦,抑制高频噪声干扰,提升电路稳定性。

3. 谐振与匹配网络

100MHz左右的LC谐振电路(如无线耳机的射频前端)、射频放大器的输入/输出匹配,利用高Q值优化信号增益。

4. 便携电子设备

智能手环、蓝牙耳机、智能手表的射频模块,适配小体积设计需求,同时满足低功耗要求。

五、选型与使用注意事项

1. 电流降额设计

实际工作电流建议不超过额定电流的80%(≤192mA),尤其在高温环境(如车载、工业场景)下,需进一步降额以避免性能漂移。

2. 频率限制

避免在接近990MHz的场景使用(如2.4GHz WiFi),若需高频应用需选择SRF更高的型号(如奇力新CS0603系列的SRF≥2GHz版本)。

3. 焊接与存储

  • 焊接温度曲线遵循IPC标准(回流焊峰值温度≤245℃,时间≤10s),避免过温损坏磁芯;
  • 存储环境:温度0℃~+40℃,湿度≤60%,避免长期暴露在潮湿环境中(焊盘氧化会导致焊接不良)。

4. 机械应力

焊接后避免弯曲PCB(弯曲半径≥10mm),防止电感线圈断裂或磁芯开裂。

总结

CS0603-R18J-S是奇力新针对高频小功率应用优化的贴片电感,兼具小体积、低损耗、高Q值等特点,适配Sub-GHz射频通信、便携设备等场景,是物联网、可穿戴领域的高性价比选择。其参数稳定、工艺可靠,可满足批量生产与长期使用需求。

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