（品名）GR M 18 8 R7 1C 225 K E15 D
GRM————表示鍍錫電極品（普通貼片陶瓷電容）
常用的村田電容就是GRM普通貼片陶瓷電容與GNM普通貼片排容。
18 ————表示尺寸（長*寬）（1.6*0.8mm)
國內通用尺寸表示是(長*寬)1.6*0.8mm（單位為mm）.國際上通用尺寸表示是用英0603(單位為inch)，
村田的常用代碼有03,15,18,21,31,32,42,43,55等,具體的對應值如下:
03----0.6*0.3mm----0201 15----1.0*0.5mm----0402 18----1.6*0.8mm----0603 21----2.0*1.25mm----0805
31----3.2*1.6mm----1206 32----3.2*2.5mm----1210 42----4.5*2.0mm----1808 43----4.5*3.2mm----1812
55----5.7*5.0mm----2220
8 ———— 表示厚度（T） (0.8mm)
常用厚度村田代碼有5,6,8,9,B,C,E等,具體的對應值如下:
5----0.5mm 6----0.6mm 8----0.8mm 9----0.9mm B----1.25mm C----1.6mm E----2.5mm
R7 ————表示材質（X7R）
常用材質村田代碼有5C，R6，R7，F5等，具體的對應值如下：
5C----COG/NPO/CH R6----X5R R7----X7R F5-----Y5V
5C工作溫度是-55度——+125度，溫度系數是0+-30ppm/度；
R6工作溫度是-55度——+85度，溫度系數是+-15%；
R7工作溫度是-55度——+125度，溫度系數是+-15%；
F5工作溫度是-30度——+85度。溫度系數是+22,-82%
100pf以下小容值的壹般采用5C材質,100PF——1uf的壹般采用R7材質，1uf以上壹般采用R6材質，精度要求不高的壹般采用F5材質。材質的選用直接影響到電容值的精度與耐溫度情況。
1C ————表示額定電壓（DC16V）
常用電壓村田表示有0J，1A，1C，1E，1H等，對應值如下：
0J------6.3V 1A------10V 1C------16V 1E-----25V 1H-----50V
225————表示靜電容量（2.2UF）
由3位字母數字表示，單位為皮法（pF）。第1位和第2位數字為有效數字，第3位數字表示有效數字後的0的個數，有小數點時以大寫字母“R”表示，此時所有數字均為有效數字。
比如：R50表示0.50也就是0.5pF;1R0表示1.0pF;101表示100pF(也就是前2位10為有效數字.第3位1為前面10有效數字後0的個字為1個.也就是100pF)
1微法(UF)=1000納法(NF) 1納法(NF)=1000皮法(pF)
K ————表示靜電容量允許偏差，也就是常說的檔位、精度（+-10%）
常用檔位有B、C、D、J、K、M、Z,具體對應值如下:
B=+-0.1pF C=+-0.25pF D=+-0.5pF J=+-5% K=+-10% M=+-20% Z=+80,-20%
正常5C材質的精度可做到B、C、D、J檔；R6、R7材質的精度可做到K、M檔；F5材質精度是Z檔。
E15————個別規格代碼（可忽略，不重要）
D ————包裝方式（直徑180mm紙帶編帶盤裝）
常用包裝方式有L、D、B等，具體方式如下：
L表示直徑180mm的壓紋帶（塑料）編帶盤裝；D表示直徑180mm紙帶編帶盤裝；B表示散袋裝。
我公司長期供應現貨料號如下：
GA343DR7GD472KW01L
GA355DR7GF472KW01L
GCM155C71A105KE38D
GCM155R71H223KA55D
GCM188R71E474KA64D
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GRM32ER71C226MEA8K
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GRM188R60J475ME19D
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GRM0335C1H8R2CA01D
GRM0335C1HR20BA01D
GRM1555C1H1R5CA01D
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GRM155R71E103KA01D
GRM188R71E393KA01D
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