馈通滤波器，4M3X4L穿芯电容，AC/DC

一、  标称容量Capacitance ：
 
10pF,65pF,100pF,470pF,500pF,1000pF,1200pF,1500pF,1750pF,2000pF,2500pF,2700pF,
3000pF,3300pF,4700pF,5000pF,5500pF,6800pF,7000pF,9000pF,10000pF,0.01μF,0.012μF,
0.015μF,0.018μF,0.022μF,0.025μF,0.027μF,0.028μF,0.045μF,0.050μF,
0.056μF,0.075μF,0.08μF,0.1μF,0.15μF,0.21μF,0.3μF,0.75μF,0.8μF,1μF,
0.015μF,0.060μF,0.062μF,0.150μF,0.200μF,0.250μF,0.250μF,0.300μF,0.450μF,0.500μF,
0.7μF,0.750μF,0.990μF,1.0μF,1.2μF,1.4μF,1.5μF,2.1μF,2.8μF,
4.0μF,5.2μF
 
1000pF=1nF  1000000pF=1μF  1000nF=1μF  1μF=1000nF=1000000pF  1F=1000000μF
 二、工作电流Rated Current ：
0.06A,0.1**,0.2**,0.3A,0.4**,0.**,1A,2A,3A,4A,**,10A,1**,2**,50A,100A
 
三、额定电压Rated Voltage ：
直流：5V,28V,35V,50V,60V,70V,80V,100V,150V,200V,250V,275V
      300V,330V,350V,400V,450V,500V,600V,750V,1250V,2500V
交流：70V,85V,90V,115V,125V,140V,200V,220V,230V,240V,330V,350V
 
四、耐电压Dielectric Withstanding Voltage ：
直流：额定电压的2.5倍      交流：额定电压的6倍的直流电压
 
五、工作温度Working Temperature Range：
E：-10-+85℃  F：-25-+85℃  G：-30-+125℃
H：-40-+85℃  I：-55-+85℃  J：-55-+125℃
六、EMI 滤波器的构成 
滤波电容 
　　滤波器所用的电容一般为陶瓷电容。由于其物理结构，这种陶瓷电容又称为穿心式电容。 
　　穿心式电容自电感较普通电容小得多，故而自谐振频率很高。同时，穿心式设计，也有
效地防止了高频信号从输入端直接耦合到输出端。这种低通高阻的组合，在 1GHz 频率范围内，
提供了较好的抑制效果。 
　　较简单的穿心结构是由内外电极和陶瓷构成的一个（ C 型）或两个电容（ Pi 型）。这种
电容的容量可从 10pF ，工作电压可达 2000VDC 。管式穿心电容因为其同轴性，即使在 10GHz 
频率，也不会产生明显的自谐振。 
　　穿心电容的介质为陶瓷介质，而陶瓷电容的容量会随环境温度变化而变化，这种容量变化会
影响滤波器的滤波截止率。陶瓷电容的容量温度变化率是由陶瓷介质本身决定的。因此，选择适
当的陶瓷介质非常重要