WMSIC Electronic Components

Walsin 0805N471J500CT

Model0805N471J500CT
Package0805
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 25+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
(Walsin) 0805N471J500CT
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
0805N471J500CT
Electronic Component
1
Electronic Component
470pF
Package
0805
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±5%
Electronic Component
0.034g
Electronic Component
1
Electronic Component
BM0265428857
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.

0805N471J500CT 多层陶瓷电容器(MLCC)产品概述

一、核心参数与型号命名解析

0805N471J500CT是华新科(Walsin)推出的Class 1型多层陶瓷电容器(MLCC),其型号与参数对应关系明确:

  • 封装:0805(英制)/2012(公制),尺寸为0.08英寸×0.05英寸(2.0mm×1.2mm),适配表面贴装工艺;
  • 容值:470pF(型号中“N471”表示:前两位“47”为有效数字,第三位“1”为10¹次方,即47×10¹=470pF);
  • 精度:±5%(型号中“J”为EIA精度代码,对应±5%);
  • 额定电压:50V DC(型号中“500”表示50V);
  • 温度系数:NP0(型号中“N”为NP0标识,属于低漂移陶瓷电容)。

该参数组合兼顾小型化、高精度与基础耐压,适用于多数中低功率精密电路。

二、封装与品牌背景

2.1 0805封装特性

0805封装是表面贴装元件(SMD)的主流小尺寸封装之一,核心优势包括:

  • 小型化:体积紧凑,可有效缩小电路板尺寸,适配便携设备(如智能手机、可穿戴设备);
  • 高集成度:支持高密度贴装,提升电路设计灵活性;
  • 工艺兼容性:适配通用回流焊、波峰焊工艺,生产效率高。

2.2 华新科品牌优势

华新科(Walsin)是全球被动元件领域的知名厂商,专注MLCC研发生产数十年,产品特点突出:

  • 质量认证:通过ISO 9001、IATF 16949等认证,满足汽车级、工业级可靠性要求;
  • 产能稳定:拥有完整生产链,可支撑批量订单交付;
  • 环保合规:采用无铅(RoHS)、无卤设计,符合全球环保标准。

三、NP0温度系数的核心优势

NP0(也写作C0G)是Class 1型陶瓷电容的典型温度系数,与Class 2型(如X7R、Y5V)相比,具有本质差异:

  • 温度稳定性:NP0温度系数约为±30ppm/℃,即温度每变化1℃,电容值变化仅0.003%;而X7R温度系数可达±15%(-55℃~+125℃),Y5V则更高;
  • 高频特性:在射频(RF)、微波频段下,损耗角正切(tanδ)极小(通常<0.001),电容值随频率变化可忽略;
  • 无偏置效应:Class 2型电容存在明显“直流偏置效应”(电压升高时电容值下降),而NP0几乎无此问题。

这些特性使NP0电容成为高频精密电路的首选。

四、典型应用场景

基于上述优势,0805N471J500CT广泛应用于以下领域:

  1. 高频振荡电路:晶振匹配电容、PLL(锁相环)电路,确保振荡频率稳定;
  2. 射频电路:滤波器、耦合器、天线匹配网络,减少信号损耗与失真;
  3. 精密模拟电路:运放反馈回路、基准电压电路,保证信号精度;
  4. 工业控制:传感器信号调理、PLC输入输出模块,适应宽温度范围;
  5. 消费电子:智能手机射频前端、蓝牙耳机天线匹配,满足小型化需求。

五、可靠性与使用注意事项

5.1 可靠性指标

华新科该产品符合行业可靠性标准:

  • 工作温度:-55℃~+125℃(Class 1型MLCC常规范围);
  • 焊接耐受:可承受260℃回流焊峰值温度(符合J-STD-020标准);
  • 寿命:额定条件下,平均无故障时间(MTBF)可达百万小时以上。

5.2 使用注意事项

  1. 电压降额:建议实际工作电压不超过额定电压的80%(即40V DC),避免过压击穿;
  2. 温度控制:避免长期工作在125℃以上环境,防止陶瓷材料老化;
  3. 焊接工艺:严格遵循回流焊曲线,避免热应力导致电容开裂;
  4. 存储条件:存储于温度<40℃、湿度<60%环境,开封后尽快使用(防止吸潮)。

六、总结

0805N471J500CT作为华新科经典NP0型MLCC,以小型化、高精度、宽温度稳定为核心优势,适配高频精密电路的多种场景。其品牌可靠性与参数兼容性,使其成为替代进口同规格产品的优质选择。

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