WMSIC Electronic Components

CCTC TCC0805X5R475M500FT

ModelTCC0805X5R475M500FT
Package0805
BrandCCTC
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
CCTC TCC0805X5R475M500FT
Type
CCTC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CCTC
Electronic Component
TCC0805X5R475M500FT
Electronic Component
1
Electronic Component
4.7uF
Package
0805
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±20%
Electronic Component
0.037g
Electronic Component
1
Electronic Component
BM0264458180
Electronic Component
X5R
Voltage
50V
Electronic Component
Electronic Component
Electronic Component
3000

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

TCC0805X5R475M500FT 产品概述

一、产品简介

TCC0805X5R475M500FT 是三环(CCTC)系列贴片多层陶瓷电容(MLCC),公称容量 4.7μF,壳体尺寸 0805(2012公制),额定电压 50V,容差 ±20%,介质类型 X5R。该产品以体积小、容值高、无极性、耐高温及良好频率特性著称,适用于空间受限的 PCB 去耦、旁路、滤波和储能场合。

二、主要参数

  • 容值:4.7μF(标称)
  • 容差:±20%(M)
  • 额定电压:50V DC
  • 介质:X5R(-55°C 至 +85°C,温度范围内允许一定容量变化)
  • 封装:0805(2.0 × 1.25 mm)
  • 封装形式:常见卷盘(详细包装请参见订购信息)

三、电气与温度特性

X5R 介质提供较高的体积效率和在中低温区间的稳定性,但存在两个需要关注的特性:

  • 温度特性:X5R 在 -55°C 至 +85°C 范围内容量变化在允许范围内,但相比 NP0/C0G 稳定性差,随温度会有一定波动。
  • 直流偏置效应:在接近额定电压时,陶瓷电容的实际容量会显著下降(部分高容量、小尺寸的 MLCC 在高偏压下降幅更大)。若电路对有效容量敏感,建议在选型时考虑电压下的容量保留,或使用更高额定电压/更大封装或低偏压特性的介质。

此外,MLCC 具有非常低的等效串联电阻(ESR)和较低的感抗(ESL),适合快速瞬态抑制与高频滤波应用。

四、典型应用

  • 模拟/数字电源去耦与旁路
  • DC-DC 转换器输入输出滤波
  • 高频噪声抑制、射频前端旁路(非关键频段)
  • 消费电子、通信设备、工控与通用电子模块的储能/解耦

五、封装与焊接建议

  • 推荐按照 IPC 标准的回流焊工艺(参照元器件制造商的回流温度曲线)。避免超高温或过长时间的重复加热。
  • PCB 布局:避免将大值 MLCC 放置在板边缘或可能受机械应力的位置;焊盘与过孔设计应遵循厂商推荐,以获得良好焊点和热疲劳寿命。
  • 机械应力:在回流或波峰焊后避免过度弯曲电路板,贴片电容对机械应力较敏感,易导致裂纹或性能退化。

六、可靠性与注意事项

  • 湿敏等级与存储:建议按厂商包装和存储条件保存,若长时间暴露或出现吸湿,应按推荐条件回烘烤后再贴片焊接。
  • 热冲击与焊接峰值:严格控制回流曲线,避免超出器件耐受范围。
  • 电压使用建议:若需在高直流电压下维持接近标称容量,建议采取电压降额或选择更高额定电压/更合适介质的器件。

七、选型建议与替代考虑

  • 若电路对温度与偏压下容量保持要求高,考虑使用更大封装(如 1210、1812)或改用 X7R、C0G 等介质(但容量与体积权衡需考虑)。
  • 对于高脉冲电流或需更高 ESR 以控制阻尼的场合,可并联电阻或选择电解/钽电容配合使用以形成混合解耦网络。

八、订购信息与服务

  • 型号含义示例:TCC0805X5R475M500FT —— 0805 尺寸 / X5R 介质 / 475=4.7μF / M=±20% / 500=50V / FT=厂商后缀(包装或工艺代码,请以产品数据手册为准)。
  • 订购前请向三环或授权分销商索取最新数据手册、S-参数(如有)、电压偏置曲线和可靠性认证信息,以确保满足特定应用需求。

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