WMSIC Electronic Components

FH 0402CG120F500NT

Model0402CG120F500NT
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 0402CG120F500NT
Type
FH
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
0402CG120F500NT
Electronic Component
1
Electronic Component
12pF
Package
0402
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±1%
Electronic Component
0.022g
Electronic Component
1
Electronic Component
BM0227335923
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.

0402CG120F500NT 产品概述

一、产品简介

0402CG120F500NT 为风华(FH)贴片多层陶瓷电容(MLCC),标称电容值 12 pF,精度 ±1%,额定电压 50 V,温度系数为 C0G(又称 NP0)。该器件采用 0402 封装,体积小、温度稳定性好、损耗低,适用于对频率特性和稳定性要求较高的电路。

二、主要性能特点

  • 电气参数:电容 12 pF,容差 ±1%,额定直流电压 50 V,温度系数 C0G(温度变化引起的电容漂移极小)。
  • 高频特性:C0G 材料介质损耗小,Q 值高,适合射频、谐振和滤波等高频应用。
  • 温度与稳定性:C0G 属于线性且近零温度系数材料,长期漂移小,适合对时间基准或频率稳定性有严格要求的场合。
  • 封装尺寸:0402(约 1.0 mm × 0.5 mm),适合超小型化、自动化贴装工艺。
  • 工艺与可靠性:符合常见 SMT 贴装与回流焊工艺要求,材料和制造工艺保证了良好的机械强度与电气可靠性。

三、典型应用场景

  • 射频前端:谐振电路、匹配网络、带通/陷波滤波器等需要低损耗电容的场合。
  • 振荡与定时电路:晶体振荡器、时钟电路中对电容稳定性与温漂敏感的应用。
  • 精密模拟电路:高精度 ADC、参考电路、滤波器等需要低温漂和高稳定性的电容元件。
  • 消费电子与通信设备:空间受限且对频率响应有要求的移动终端、无线模块、射频模块等。

四、封装与焊接建议

  • PCB 尺寸配合:0402 封装建议按厂商推荐的焊盘设计布线,焊盘应保证合适的焊膏覆盖以获得良好的焊点强度与电性能。
  • 回流焊工艺:推荐遵循 IPC/JEDEC 标准回流曲线;常见无铅回流峰值温度一般为 240–260 °C,具体请参照风华的工艺规范。
  • 贴装注意:0402 封装尺寸小,贴装时要注意元件搬运与定位误差,避免在焊接过程中受力导致裂纹或电性能退化。
  • 清洗与表面处理:若工艺中需要清洗,选择与电容材料、端电极相容的溶剂和参数,避免长期浸泡和机械冲击。

五、可靠性与使用注意事项

  • 电压及直流偏压效应:与高介电常数材料相比,C0G 对直流偏压的敏感度极低,电容值随偏压变化可以忽略,但仍应避免超出额定电压长期使用。
  • 温度与环境:C0G 提供良好的温度稳定性,但仍需避免超出器件规格的极端温度、机械应力与潮湿环境。长期在高湿或温变剧烈环境下,应做额外的可靠性验证。
  • 机械应力:贴片电容对焊盘应力和 PCB 弯折敏感,设计时应尽量减少应力集中区域,必要时在 PCB 上进行应力缓冲设计。
  • 质量控制:在批量采购与可靠性验证阶段,建议参考风华提供的可靠性测试报告(如温度循环、湿热、焊接热冲击等)以确认满足具体应用的寿命与可靠性要求。

六、选型与采购建议

  • 料号含义提示:常见料号格式会包含封装(0402)、温度特性(CG 表示 C0G)、电容值代码(120 表示 12 pF)、精度代码(F 常用表示 ±1%)、额定电压(500 可代表 50 V)及包装形式(NT 常见为卷带)。具体料号解析请以风华官方资料为准。
  • 替代与扩展:若设计需要更高电容、不同电压或更宽容差,可在同一产品族中选取不同电容值或温度特性(例如 X7R、NP0/C0G 等)。
  • 样品与批量验证:在量产前建议先行拿样并进行电气性能与可靠性验证,包含焊接兼容性测试和目标应用环境下的长期稳定性试验。
  • 储存与保管:建议在干燥、常温环境存放,避免高湿,开封后如长期不使用按湿敏等级(MSL)要求进行封装或再烘烤处理。

如需进一步的技术资料(封装尺寸图、焊盘建议、回流曲线或可靠性试验数据),可提供具体的项目需求或直接联系风华的产品技术支持获取原厂数据表。

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