WMSIC Electronic Components

FH 0402CG821J500NT

Model0402CG821J500NT
Package0402
BrandFH
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

18 specifications

Core information

Product name
FH 0402CG821J500NT
Type
FH
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
0402CG821J500NT
Electronic Component
1
Electronic Component
820pF
Package
0402
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±5%
Electronic Component
0.022g
Electronic Component
1
Electronic Component
BM0265668830
Electronic Component
C0G
Voltage
50V
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.

0402CG821J500NT 风华MLCC产品概述

0402CG821J500NT是风华电子(FH) 推出的一款高性能贴片多层陶瓷电容(MLCC),专为对容值精度、温度稳定性要求严苛的电子设备设计。产品采用0402小型化封装,兼具高可靠性、低损耗与成本效益,广泛覆盖射频通信、工业控制、医疗电子等领域。

一、产品基本定位与标识解析

该型号为风华C0G系列MLCC的典型代表,型号编码遵循行业通用规则,各部分含义清晰:

  • 0402:英制封装尺寸代码,对应公制1005(长1.0mm±0.2mm,宽0.5mm±0.2mm,厚度约0.5mm),适配高密度贴装需求;
  • CG:温度系数标识,对应国际标准C0G(NP0),属于温度补偿型陶瓷电容;
  • 821:容值编码,前两位为有效数字(82),第三位为10的幂次(10¹),即820pF;
  • J:精度等级代码,代表容值公差为**±5%**(行业通用:J=±5%、K=±10%、M=±20%);
  • 500:额定电压值,代表直流额定电压50V;
  • NT:风华内部生产批次/封装细节标识,不影响核心电气性能。

二、核心电气参数详解

作为C0G系列产品,该电容的核心优势集中在温度稳定性与精度一致性:

  1. 容值与精度:标称820pF,±5%公差,批量生产一致性好,避免因容值偏差导致电路性能波动;
  2. 温度系数:典型值为0±30ppm/℃,即环境温度从-55℃变化至+125℃时,容值变化量≤0.03%,远优于X7R(±15%)等温度稳定型电容;
  3. 损耗因子(DF):典型值≤0.15%,高频下(如1MHz)仍保持低损耗,适合信号传输、振荡电路;
  4. 绝缘电阻:典型值≥10¹⁰Ω,高绝缘性能减少漏电流,适配精密信号处理电路;
  5. 额定电压:直流50V,交流应用需注意峰值电压降额(Vpeak=√2×Vac≤50V)。

三、封装与工艺特性

风华针对该产品采用成熟的MLCC叠层工艺,兼顾小型化与可靠性:

  1. 封装结构:0402贴片封装,无引脚设计,适配回流焊、波峰焊等表面贴装工艺,焊接兼容性强;
  2. 介质与电极:采用高性能C0G陶瓷介质,银钯(Ag-Pd)电极,无铅环保(符合RoHS/REACH标准),抗老化性能优异;
  3. 叠层工艺:多层介质-电极交替叠层,提升容值密度(同体积下容值是单层电容的数倍),同时减少寄生电感/电阻;
  4. 可靠性设计:电极边缘钝化处理,避免短路风险;封装强度满足振动(10-2000Hz,1.5g)、冲击(1000m/s²)等工业级环境要求。

四、典型应用场景

基于其高精度、高稳定特性,该电容主要应用于以下场景:

  1. 射频通信设备:手机、路由器、基站的射频前端滤波/匹配电容,稳定阻抗匹配,减少信号失真;
  2. 振荡电路:晶振、压控振荡器(VCO)的负载电容,保证振荡频率稳定(温度变化时频率偏移≤0.01%);
  3. 工业控制:PLC、伺服驱动器的信号耦合/去耦电容,避免温度波动导致控制信号偏差;
  4. 医疗电子:监护仪、心电图机的信号滤波电容,确保生理信号采集精度;
  5. 消费电子:高端耳机、智能手表的音频滤波电容,提升音质纯净度。

五、风华品牌与产品优势

作为国内MLCC龙头企业,风华该产品具备显著竞争力:

  1. 品牌可靠性:通过ISO 9001、IATF 16949、AEC-Q200(汽车级可选)认证,产品一致性达行业领先水平;
  2. 成本效益:国产替代优势明显,批量采购性价比高于进口同类产品;
  3. 供应稳定性:年产能超千亿只,供应链完善,减少缺货风险;
  4. 定制化支持:可根据客户需求调整封装厚度、电压等级(如100V)等参数。

六、选型与使用注意事项

  1. 电压降额:实际工作电压建议不超过额定电压的80%(直流≤40V),延长使用寿命;
  2. 温度范围:工作温度为-55℃~+125℃,避免超过极限温度;
  3. 焊接工艺:无铅回流焊峰值温度控制在230-245℃,时间≤30秒,避免热应力损坏;
  4. 静电防护:MLCC对静电敏感,需采用防静电包装、接地操作,避免击穿失效;
  5. 存储条件:存储温度-40℃~+60℃,湿度≤60%,开封后12个月内使用完毕。

综上,0402CG821J500NT是一款兼顾高精度、高稳定、小型化的C0G MLCC,适配多领域高密度电路设计,是国产替代进口电容的优质选择。

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