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風華貼片電容大全

風華代理商十強企業-南京南山

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風華高科: 主頁 > 選型資料 >

風華貼片電容命名規則

風華高科是全球第七大被動元器件生產制造企業,貼片電容是其最具競爭力的產品之一。并為國內外多家知名國際品牌做OEM加工,產品質量和穩定性都是極具競爭力的。

下面我們通過一個例子來實戰了解一下風華高科通用規格貼片電容的準確規格表示方法。

 

1、0805:表示該貼片電容的封裝形式為0805。封裝形式與尺寸的對應關系見下表:
 

封裝
(L) 長度
公制(毫米)
英制(英寸)
(W) 寬度
公制(毫米)
英制(英寸)
(t) 端點
公制(毫米)
英制(英寸)
0201
0.60 ± 0.03
(0.024 ± 0.001)
0.30 ± 0.03
(0.011 ± 0.001)
0.15 ± 0.05
(0.006 ± 0.002)
0402
(1005) 
1.00 ± 0.10
(0.040 ± 0.004)
0.50 ± 0.10
(0.020 ± 0.004)
0.25 ± 0.15
(0.010 ± 0.006)
0603
(1608) 
1.60 ± 0.15
(0.063 ± 0.006)
0.81 ± 0.15
(0.032 ± 0.006)
0.35 ± 0.15
(0.014 ± 0.006)
0805
(2012) 
2.01 ± 0.20
(0.079 ± 0.008)
1.25 ± 0.20
(0.049 ± 0.008)
0.50 ± 0.25
(0.020 ± 0.010)
1206
(3216) 
3.20 ± 0.20
(0.126 ± 0.008)
1.60 ± 0.20
(0.063 ± 0.008)
0.50 ± 0.25
(0.020 ± 0.010)
1210
(3225) 
3.20 ± 0.20
(0.126 ± 0.008)
2.50 ± 0.20
(0.098 ± 0.008)
0.50 ± 0.25
(0.020 ± 0.010)
1812
(4532) 
4.50 ± 0.30
(0.177 ± 0.012)
3.20 ± 0.20
(0.126 ± 0.008)
0.61 ± 0.36
(0.024 ± 0.014)
1825
(4564) 
4.50 ± 0.30
(0.177 ± 0.012)
6.40 ± 0.40
(0.252 ± 0.016)
0.61 ± 0.36
(0.024 ± 0.014)
2225
(5764)
5.72 ± 0.25
(0.225 ± 0.010)
6.40 ± 0.40
(0.252 ± 0.016)
0.64 ± 0.39
(0.025 ± 0.015)

2、CG  表示該電容的材質為C0G(注意中間的的數字零,不是字母o,很多人都讀錯了)材質。

       貼片電容常用材質有NPO、X7R、Y5V、Z5U,其中主要最常用的是前三種。風華高科貼片電容分別用以下字母代替:

    CG   代表C0G材質
    B     代表
X7R材質
    F     代表Y5V材質 
    E     代表Z5U材質
 
 3、100  代表標稱電容量是10pf。
      說明:貼片電容的容量用三位數表示法表示,
單位是PF。前兩個數字代表有效數字,第三個數字代表的是前兩位有效數字后面跟的零的個數。例如:
      103   代表10后面有3個零 即:10000 pf

        102   代表10后面有2個零     : 1000 PF
         101=100  PF

4、J表示該型電容器的電容量的精度范圍是±5%。  如果是K則表示精度范圍是±10%  ;M表示±20%。
     容量與誤差:實際電容量和標稱電容量允許的最大偏差范圍。一般分為3級:I級±5%,II級±10%,III級±20%。在有些情況下,還有0級,誤差為±20%。
精密電容器的允許誤差較小,而電解電容器的誤差較大,它們采用不同的誤差等級。
常用的電容器其精度等級和電阻器的表示方法相同。用字母表示:D——005級——±0.5%;F——01級——±1%;G——02級——±2%;J——I級——±5%;K——II級——±10%;M——III級——±20%。

5、500表示工作電壓為50V
      電壓采用三位數表示法。前兩位是有效數字,后面一位是零的個數。例如:160表示16V,   250表示25V

      需要注意的是6.3V的表示方法為6R3,就是用R代替小數點。

6、N表示斷頭類別為:三層電鍍端頭。其他端頭表示方式如下:

                       S   標示純銀端頭
                       C   表示純銅端頭
                       N   表示三層電鍍端頭(銀或銅層/鎳層/錫層)

7、T表示編帶包裝。如果這個位置沒有任何標記,表示袋裝、散包裝。

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