WMSIC Electronic Components

CCTC TCC0603X7R332K251CT

ModelTCC0603X7R332K251CT
Package0603
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 TCC0603X7R332K251CT
Type
CCTC
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CCTC
Electronic Component
TCC0603X7R332K251CT
Electronic Component
1
Electronic Component
3.3nF
Package
0603
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.035g
Electronic Component
1
Electronic Component
BM0265124341
Electronic Component
X7R
Voltage
250V
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.

TCC0603X7R332K251CT 贴片陶瓷电容(MLCC)产品概述

一、产品基本定位

TCC0603X7R332K251CT是三环电子(CCTC) 推出的通用型多层陶瓷贴片电容(MLCC),针对中高压、小型化电路场景设计。型号中各字符对应核心参数:

  • TCC:三环品牌前缀;
  • 0603:英制封装规格(公制1608,即1.6mm×0.8mm);
  • X7R:温度系数类别;
  • 332:容值标识(33×10²pF=3.3nF);
  • K:精度等级(±10%);
  • 251:额定电压(25×10¹V=250V);
  • CT:产品系列尾缀(通用中压型)。

该产品属于工业级通用MLCC,兼顾小型化、中高压耐受能力与温度稳定性,适配多领域电路需求。

二、核心技术参数深度解析

1. 容值与精度

容值为3.3nF(332),精度±10%(K档)。此参数覆盖大部分通用电路的滤波、去耦需求,既避免过高精度带来的成本冗余,又能满足工业级电路对容值稳定性的基本要求(如电源纹波抑制、信号耦合)。

2. 额定电压与耐压特性

额定电压250V,高于0603封装常见的100V、16V等级,可直接应用于中压场景(如24V~250V直流/交流电源)。实际使用建议降额至80%(≤200V),避免过压导致陶瓷介质击穿。

3. 温度系数与工作范围

采用X7R温度系数,定义为:

  • 工作温度范围:-55℃~+125℃;
  • 容值变化率:±15%以内(-55℃~+125℃)。

相比Y5V(容值变化±20%~-82%),X7R的温度稳定性更优,适合对温度敏感的电路(如汽车电子辅助模块、工业传感器);相比NPO(COG,容值变化±0.05%),X7R容值密度更高,适配小型化需求。

4. 封装与物理特性

0603封装(1.6mm×0.8mm×0.8mm典型厚度)体积紧凑,适合高密度PCB设计(如智能插座、路由器电源模块),焊接兼容性符合IPC J-STD-020标准。

三、材料与性能优势

1. 陶瓷介质特性

X7R属于铁电陶瓷,介电常数(εr)约2000~4000,容值密度是NPO的10倍以上,在0603小封装下实现3.3nF/250V的参数平衡。陶瓷介质无极性,无需区分正负极,安装更便捷。

2. 电气性能

  • 低损耗角正切(tanδ≤0.02,1kHz下):适合交流信号传输(如音频耦合、射频匹配);
  • 高绝缘电阻(≥10¹⁰Ω,25℃下):减少漏电流,提升电源效率;
  • 抗电强度(≥2.5kV/mm):满足短时间过压冲击的防护需求。

3. 环境可靠性

经三环电子严格测试:

  • 高温寿命测试(125℃×1000h):容值变化≤±10%,绝缘电阻无明显下降;
  • 温度循环测试(-55℃~+125℃×500次):无开裂、参数漂移;
  • 振动测试(10~2000Hz×1.5g):符合MIL-STD-202标准,适配车载、工业振动环境。

四、典型应用场景

1. 中压电源电路

  • LED驱动电源(250V输入滤波、输出去耦);
  • 工业电源模块(24V~250V直流电源的纹波抑制);
  • 小型家电电源(智能插座、加湿器的EMI滤波)。

2. 信号处理与控制

  • 音频设备(功放信号耦合、噪声滤波);
  • 工业PLC(模拟量输入/输出的抗干扰滤波);
  • 单片机/ FPGA周边(电源去耦、时钟信号滤波)。

3. 通信与消费电子

  • 路由器/交换机(电源模块中压去耦);
  • 车载辅助电路(后视镜、中控的小功率滤波);
  • 便携式设备(移动电源的EMC滤波)。

五、品牌与环保特性

1. 三环电子(CCTC)背景

三环电子是国内MLCC龙头企业,专注陶瓷电容研发生产20余年,产品通过ISO 9001、IATF 16949(汽车级)、RoHS 2.0、REACH等认证,供应全球30+国家/地区客户。

2. 环保与合规

产品采用无铅无卤工艺,符合欧盟环保指令,避免对人体和环境的潜在危害,适配出口产品设计。

六、选型与使用注意事项

  1. 电压降额:实际工作电压≤200V(额定电压80%),避免过压损坏;
  2. 温度限制:避免超过125℃工作温度,否则容值下降、可靠性降低;
  3. 焊接工艺:采用回流焊(禁止手工焊过热),温度曲线符合IPC标准,防止陶瓷开裂;
  4. 机械应力:0603封装抗弯曲能力弱,避免PCB焊接后过度弯曲;
  5. 精度匹配:若需更高精度(如射频谐振),需切换至NPO/COG系列。

总结

TCC0603X7R332K251CT是一款高性价比的通用中压MLCC,兼顾小型化、温度稳定性与可靠性,适配工业、消费电子、通信等多领域场景。三环电子的成熟工艺与认证体系,确保产品在恶劣环境下长期稳定工作,是替代进口中压MLCC的可靠选择。

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