WMSIC Electronic Components

FH 0402CG1R2B500NT

Model0402CG1R2B500NT
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

17 specifications

Core information

Product name
FH 0402CG1R2B500NT
Type
FH
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
0402CG1R2B500NT
Electronic Component
1
Electronic Component
1.2pF
Package
0402
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
0.012g
Electronic Component
1
Electronic Component
BM0264897111
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.

0402CG1R2B500NT 风华贴片多层陶瓷电容(MLCC)产品概述

一、产品基本定位与核心参数概览

0402CG1R2B500NT是风华电子(FH) 推出的高频精密型贴片多层陶瓷电容(MLCC),针对小封装、高稳定性需求设计,广泛适配射频、精密模拟等场景。核心参数如下:

  • 封装规格:0402(英制,对应公制1005,尺寸1.0mm×0.5mm×0.5mm,典型厚度)
  • 额定电压:50V DC(直流额定,不适用于高压交流)
  • 标称容值:1.2pF
  • 温度系数:C0G(IEC 60063标准Class 1型,温度系数±30ppm/℃)
  • 容值精度:典型±0.1pF(部分批次±0.25pF,需参考 datasheet)
  • 工作温度:-55℃至+125℃(覆盖汽车级/工业级宽温要求)
  • 环保认证:RoHS 2.0、REACH SVHC合规,无铅焊接兼容

二、关键性能特性解析

2.1 C0G温度系数的核心优势

C0G属于Class 1型陶瓷电容,是当前容值稳定性最高的MLCC类别之一:

  • 温度系数极低:容值随温度变化≤±0.0036%(1.2pF×30ppm/℃×100℃温差),几乎可忽略;
  • 电压系数极小:容值受工作电压波动影响≤100ppm/V,远优于Class 2型(如X7R的±15%温度漂移);
  • 损耗角正切(tanδ)低:典型≤0.001,高频下能量损耗小,适合射频信号传输。

2.2 0402小封装的集成适配性

0402封装是消费电子、射频模块的主流小封装,体积仅为0805封装的1/4,可有效降低电路尺寸,适配高密度PCB设计(如智能手机射频前端、智能穿戴传感器模块)。

2.3 50V额定电压的场景覆盖

50V DC额定电压远高于0402封装常规的10V/16V规格,可覆盖:

  • 中功率密度电路(如小型电源滤波、射频功放匹配网络);
  • 具备电压冗余(实际工作电压建议≤40V,降额80%使用),延长产品寿命。

三、典型应用场景

3.1 射频(RF)与微波通信

  • 射频前端模块(RF Front-end):WiFi 6/6E、蓝牙5.3的信号滤波、阻抗匹配;
  • 振荡器/锁相环(PLL):谐振回路电容,保证频率精度(±1ppm频率漂移);
  • 微波模块:低噪声放大器(LNA)、功率放大器(PA)的匹配网络。

3.2 精密模拟与数字电路

  • 高速ADC/DAC滤波:去除高频噪声,提升采样精度(12位以上ADC适配);
  • 时钟电路:稳定时钟相位与频率(如1GHz以上时钟源);
  • 小型电源:LDO输出滤波,纹波抑制比提升10dB以上。

3.3 汽车电子与工业控制

  • 车载射频:车联网T-Box、车载蓝牙的宽温环境(-40℃至+85℃)稳定工作;
  • 工业传感器:低功耗信号调理电路(如压力、温度传感器)。

3.4 消费电子终端

  • 智能手机/平板:射频天线匹配、WiFi模块滤波;
  • TWS耳机:无线充电滤波、蓝牙射频匹配;
  • 智能穿戴:传感器信号滤波(如心率、加速度传感器)。

四、品牌与可靠性保障

4.1 风华电子的技术积淀

风华是国内老牌MLCC制造商,拥有30余年陶瓷电容研发经验,0402CG系列采用高温烧结叠层工艺:

  • 电极与陶瓷介质结合紧密,抗机械应力(跌落测试符合IEC 60068-2-32);
  • 通过ISO 9001、IATF 16949(汽车级)质量体系认证。

4.2 可靠性测试标准

  • 高温寿命:125℃/50V DC下,1000小时容值变化≤±0.5%,tanδ≤0.001;
  • 湿度测试:85℃/85%RH下,500小时性能稳定;
  • 焊接可靠性:回流焊峰值245℃±5℃下,无开裂、虚焊;
  • ESD防护:符合IEC 61000-4-2,接触放电≥2kV。

五、选型与应用注意事项

5.1 精度与场景匹配

  • 若需更高精度(如频率合成器),优先选±0.1pF批次;
  • 精密场景禁用Class 2型(X7R/X5R),仅选C0G。

5.2 电压降额建议

实际工作电压≤40V DC(额定电压80%),避免过压导致介质击穿。

5.3 焊接工艺要求

  • 回流焊:无铅工艺,温度曲线(预热150-180℃,峰值240-250℃,时间≤40s);
  • 手工焊:烙铁温度≤350℃,焊接时间≤3s,避免局部过热。

5.4 静电防护

MLCC为ESD Class 1敏感元件,生产/测试需佩戴防静电手环,使用防静电包装。

总结:0402CG1R2B500NT凭借小封装、高稳定性、中高压适配性,成为射频、精密模拟领域的高性价比选择,适合对尺寸、精度、可靠性有严格要求的电子设计。

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