WMSIC Electronic Components

CCTC TCC0402X5R105M250AT

ModelTCC0402X5R105M250AT
Package0402
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 TCC0402X5R105M250AT
Type
CCTC
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CCTC
Electronic Component
TCC0402X5R105M250AT
Electronic Component
1
Electronic Component
1uF
Package
0402
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±20%
Electronic Component
0.012g
Electronic Component
1
Electronic Component
BM0263668635
Electronic Component
X5R
Voltage
25V
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.

TCC0402X5R105M250AT 贴片多层陶瓷电容(MLCC)产品概述

一、产品核心定位与基础规格

TCC0402X5R105M250AT是三环CCTC推出的通用型贴片多层陶瓷电容(MLCC),专为低压、小体积、高密度PCB设计场景打造,兼顾成本控制与性能稳定性。其核心基础规格如下:

  • 容值:1μF(型号中“105”对应10×10⁵ pF)
  • 精度:±20%(“M”为精度档位标识,满足通用电路偏差需求)
  • 额定电压:25V(“250”为电压标注,代表25V额定工作电压)
  • 温度系数:X5R(符合EIA标准温度特性分类)
  • 封装:0402(英制封装,公制对应1005,尺寸约1.0mm×0.5mm)
  • 品牌:CCTC(三环电子,国内MLCC头部制造商,产品覆盖消费、工业、汽车等领域)

二、关键性能参数深度解析

2.1 容值与精度

1μF容值处于中等容量区间,既适配电源滤波(抑制直流纹波噪声)、信号耦合(音频/低速数字信号传输)等典型需求,又不会因容值过大导致体积冗余。±20%精度(M档)无需高精度校准,适合对容值偏差要求不苛刻的通用电路,能有效降低BOM成本。

2.2 额定电压与降额要求

25V额定电压是低压电路的常见规格,但实际应用需遵循电压降额原则(建议工作电压不超过20V,即额定值的80%),避免长期过压导致电容老化、击穿。对于纹波电压较高的场景(如开关电源输出端),需额外参考三环官方 datasheet 中的纹波电流降额曲线(1μF电容典型纹波电流能力约100mA)。

2.3 X5R温度特性

X5R是MLCC中平衡温稳性与成本的主流选择:

  • 工作温度范围:-55℃ ~ +85℃(覆盖工业级基础温宽)
  • 容值变化率:±15%(相对于25℃基准值)
    相比NPO(±0.05%温稳,但容值上限低)和Y5V(±20%温变,但成本更低),X5R能在宽温环境下保持相对稳定的容值,适配更多场景(如车载辅助系统、户外传感器)。

三、封装与物理特性

0402封装是当前最小的常用贴片封装之一,核心优势:

  1. 高密度设计:适合手机、智能手表、小型传感器等对PCB空间要求极高的产品,单块PCB可集成数千颗该电容;
  2. 自动化兼容:适配SMT回流焊、波峰焊工艺,焊接良率高(无极性设计无需区分正负,简化生产流程);
  3. 体积-容值比优异:多层陶瓷结构让1μF容值压缩至0402封装,比同容值铝电解电容体积小90%以上,重量仅约0.01g。

四、典型应用场景

结合参数特性,TCC0402X5R105M250AT广泛应用于以下领域:

  • 消费电子:手机主板电源滤波、平板触控板信号耦合、蓝牙耳机充电电路;
  • 小型家电:遥控器控制电路、加湿器/香薰机电源模块、智能插座EMI滤波;
  • 汽车电子:仪表盘背光电路、胎压监测传感器接口、车载USB电源稳压(辅助系统,非安全关键件);
  • 工业控制:小型PLC输入输出模块、温度传感器信号调理、低功耗物联网节点电源;
  • 通信设备:WiFi模块电源稳压、蓝牙模块信号去耦、4G/LTE小基站滤波。

五、可靠性与环境适应性

三环CCTC产品可靠性符合行业标准:

  • 温湿适应性:工作温宽-55℃+85℃,湿度耐受范围095%RH(非冷凝),满足户外/工业环境需求;
  • 焊接可靠性:回流焊峰值温度260℃(符合J-STD-020标准),无铅环保(RoHS compliant);
  • 寿命与稳定性:MLCC无电解液、无极性,理论寿命远长于电解电容,长期使用容值衰减率<5%/1000小时;
  • 抗振动冲击:贴片封装抗振动能力强(符合IEC 60068-2-6振动测试标准),适合移动设备(如车载、手持终端)。

六、选型匹配注意事项

  1. 温稳需求匹配:若需更高温稳(如±5%),需选择NPO材质电容;若仅需低成本,可考虑Y5V;
  2. 电压降额:严禁工作电压超过25V,建议长期工作电压≤20V;
  3. 封装密度权衡:0402封装适合小体积,但如果需要更大容值(如10μF),需切换至0603或0805封装;
  4. 极性注意:MLCC无极性,无需区分正负,可直接替换同规格电解电容(需确认电压与容值匹配)。

这款电容凭借“小体积、中容值、宽温稳”的特性,成为通用电路中的高性价比选型,适用于大多数低压电子设备的基础滤波与耦合需求。

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