WMSIC Electronic Components

Walsin 0603N301J500CT

Model0603N301J500CT
Package0603
Brand(Walsin)
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

20 specifications

Core information

Product name
(Walsin) 0603N301J500CT
Type
WALSIN
Unit
Electronic Component
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
(WALSIN)
Electronic Component
0603N301J500CT
Electronic Component
1
Electronic Component
300pF
Package
0603
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±5%
Electronic Component
0.035g
Electronic Component
1
Electronic Component
BM0264210577
Electronic Component
NP0
Voltage
50V
Electronic Component
Electronic Component
Electronic Component
4000

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

华新科0603N301J500CT陶瓷电容产品概述

一、产品基本属性

华新科(Walsin)0603N301J500CT是一款C0G/NP0温度补偿型陶瓷贴片电容,核心参数与标识对应关系清晰:

  • 封装:0603(英制,对应公制1608,尺寸1.6mm×0.8mm);
  • 容值:300pF(型号中“301”为容值代码,即30×10¹pF);
  • 精度:±5%(型号中“J”为精度标识);
  • 额定电压:50V直流(型号中“500”为电压代码,即50×10⁰V);
  • 温度系数:NP0(EIA标准代码C0G,温度稳定性最优的陶瓷电容材质之一)。

该产品采用无铅端接(后缀“CT”通常指环保无铅工艺),符合RoHS与REACH环保标准,适配现代电子设备的小型化、绿色化需求。

二、核心技术参数详解

1. 容值与精度

300pF容值属于中高频电路常用范围,±5%精度满足大多数射频、信号调理场景的稳定要求。需注意:C0G材质的容值不随电压、直流偏置变化,这是其与X7R/Y5V等材质的核心差异(后者容值会随电压偏移10%~50%)。

2. 温度特性

NP0(C0G)的温度系数≤±30ppm/℃,对应-55℃125℃工作范围内,容值变化≤±0.3%。即使在极端温度环境下(如车载-40℃85℃、工业-20℃~70℃),容值稳定性仍远优于其他陶瓷材质,可避免电路参数偏移导致的性能下降。

3. 高频性能

C0G材质的损耗角正切(DF)≤0.15%(1kHz/25℃),高频阻抗特性平坦,截止频率可达1GHz以上,适合射频前端、振荡器、匹配网络等高频应用,不会因损耗导致信号衰减。

4. 封装与可靠性

0603封装体积小,适配高密度PCB布局(如智能手机、智能穿戴的主板);华新科的贴片工艺确保端接可靠性,焊接后抗机械应力能力强,符合AEC-Q200(汽车级)部分要求(若应用于车载场景需确认具体等级)。

三、典型应用场景

因C0G材质的稳定特性与小型化封装,0603N301J500CT广泛适用于以下场景:

  1. 射频通信领域:手机、路由器、蓝牙模块的射频前端(如LC滤波器、天线匹配电路),避免温度变化导致滤波器中心频率偏移;
  2. 消费电子:智能手表、平板电脑的信号调理电路(如传感器接口滤波、时钟振荡器),满足小型化与稳定需求;
  3. 工业控制:PLC、传感器模块的低噪声滤波电路,适应车间-20℃~60℃的温度波动;
  4. 医疗电子:小型医疗设备(如血糖仪)的信号耦合电路,确保容值稳定不影响测量精度。

四、产品优势与选型参考

优势总结

  • 温度稳定性最优:对比X7R(±15%容值变化)、Y5V(±82%),C0G几乎无温度漂移;
  • 高频低损耗:适合1GHz以下高频电路,信号衰减小;
  • 小型化高可靠:0603封装适配高密度设计,无铅工艺符合环保要求;
  • 一致性好:华新科自动化生产确保批量产品参数偏差极小。

选型注意事项

  1. 电压匹配:工作直流电压需≤50V,若存在脉冲电压需按20%~30%降额使用;
  2. 精度需求:若需±1%精度(如精密振荡器),需选择“F”标识的同系列产品;
  3. 温度范围:若应用于-55℃以下或125℃以上环境,需确认扩展温度级产品;
  4. 封装适配:0603封装需匹配IPC-7351标准焊盘,回流焊温度需控制在220℃~245℃(峰值)。

五、总结

华新科0603N301J500CT是一款高性能温度补偿陶瓷电容,以C0G材质的稳定特性为核心,结合小型化封装与高可靠性,成为射频通信、消费电子等领域对容值稳定性要求较高场景的理想选择。其参数明确、应用清晰,可直接适配多数中低压电路的设计需求。

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