贴片陶瓷电容器尺寸规格总结
以下摘自国巨一般目的电容说明书,Surface-Mount Ceramic Multilayer Capacitors,General Purpose,16V~50V,NP0,
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采购代码 |
全球零件号码(首选采用):
CC XXXX X X NPO X BN XXX
(1) (2) (3) (4) (5)
(1) SIZE – INCH BASED (METRIC)
0201 (0603)
0402 (1005)
0603 (1608)
0805 (2012)
1206 (3216)
1210 (3225)
1812 (4532)
(2) TOLERANCE
B = ±0.1 pF
C = ±0.25 pF
D = ±0.5 pF
F = ±1%
G = ±2%
J = ±5%
(3) PACKING STYLE
R = Paper/PE taping reel; Reel 7 inch
K = Blister taping reel; Reel 7 inch
P = Paper/PE taping reel; Reel 13 inch
F = Blister taping reel; Reel 13 inch
C = Bulk case
(4) RATED VOLTAGE
7 = 16 V
8 = 25 V
9 = 50 V
(5) CAPACITANCE VALUE
2 significant digits + number of zeros
The 3rd digit signifies the multiplying factor, and letter R is decimal point
Example: 121 = 12 x 10的1次幂 = 120 pF
除了全球零件号码,还有北美零件号码PHYCOMP CTC、传统号码12NC,此处不列举。
结构 |
这种电容器内部包含多层交叉的金属电极,外部被陶瓷绝缘体方块包裹。这种结构可以在单位体积上提供更高的容量。
内部电极连接到两侧的端子上,端子最后被一层镀锡钢板覆盖(NiSn)。横截面如下图:
尺寸 |
Type | L1 (mm) | W (mm) | T (MM) | L2 / L3 (mm) | L4 (mm) | |
min. | max | min. | ||||
0201 | 0.6 ±0.03 | 0.3 ±0.03 | see Table2~5 | 0.10 | 0.20 | 0.20 |
0402 | 1.0 ±0.05 | 0.5 ±0.05 | 0.20 | 0.30 | 0.40 | |
0603 | 1.6 ±0.10 | 0.8 ±0.10 | 0.20 | 0.60 | 0.40 | |
0805 | 2.0 ±0.10(1) | 1.25 ±0.10(1) | 0.25 | 0.75 | 0.55 | |
2.0 ±0.20(2) | 1.25 ±0.20(2) | |||||
1206 | 3.2 ±0.15(1) | 1.6 ±0.15(1) | 0.25 | 0.75 | 1.40 | |
3.2 ±0.30(2) | 1.6 ±0.20(2) | |||||
1210 | 3.2 ±0.20 | 2.5 ±0.20 | 0.25 | 0.75 | 1.40 | |
1812 | 4.5 ±0.20 | 3.2 ±0.20 | 0.25 | 0.75 | 2.20 |
其中,(1)C≤1 nF时,(2)C>1nF |
图2 陶瓷电容的尺寸
NPO电容器的容值和密度thickness |
仅列出0805~1206尺寸的电容容值,比这两种小的大的容值会不同,具体还得看手册。
16 V TO 50 V, 0.22 pF to 33 nF, Class 1, NP0,精度±1%,±2%,±5%居多,也有±10%,一般目的
6.3 V TO 50 V, 10 nF to 47 µF, Class 2, Y5V,精度最差±20%,一般目的,高容量
6.3 V TO 50 V, 100 pF to 22 µF, Class 2, X7R,精度±5%、±10%,一般目的,高容量
下表总结了常见的SMD陶瓷电容,备查。
容值 | 简记 | 国巨/KEMET有产品 | 库存 | 备注 | |
0.22 pF | 227 | <10pF的电容需要定制,一般可以买到的是整数容量的,比如1.0pF/1.5/2.0/3.0pF | |||
0.47 pF | 477 | ||||
0.82 pF | 827 | ||||
1.0 pF | 108 | - | |||
1.2 pF | 128 | ||||
1.5 pF | 158 | - | |||
1.8 pF | 188 | 2.0 pF | |||
2.2 pF | 228 | ||||
2.7 pF | 278 | ||||
3.3 pF | 338 | ||||
3.9 pF | 398 | ||||
4.7 pF | 478 | ||||
5.6 pF | 568 | ||||
6.8 pF | 688 | ||||
8.2 pF | 828 | ||||
10 pF | 109 | - | + | 除了特别标记为E24系列的以外,都是E12系列 | |
12 pF | 129 | - | + | ||
15 pF | 159 | - | + | ||
18 pF | 189 | - | + | ||
20 pF | 209 | E24系列 | + | ||
22 pF | 229 | - | + | ||
24 pF | E24系列 | + | |||
27 pF | 279 | - | + | ||
33 pF | 339 | - | + | ||
39 pF | 399 | - | |||
43 pF | E24系列 | + | |||
47 pF | 479 | - | |||
56 pF | 569 | - | |||
68 pF | 689 | - | + | ||
82 pF | 829 | - | |||
100 pF | 101 | - | + | 主要是E12系列,喜闻乐见,可选精度较高的容值,是重点关注的部分。有些没有列全,查不同公司的手册吧。 | |
120 pF | 121 | - | |||
150 pF | 151 | - | |||
180 pF | 181 | - | + | ||
220 pF | 221 | - | + | ||
270 pF | 271 | - | |||
330 pF | 331 | - | + | ||
390 pF | 391 | - | |||
470 pF | 471 | - | |||
560 pF | 561 | - | + | ||
680 pF | 681 | - | |||
820 pF | 821 | - | + | ||
1000pF | 1.0 nF | 102 | - | + | |
1200pF | 1.2 nF | 122 | + | ||
1500pF | 1.5 nF | 152 | - | ||
1.8 nF | 182 | ||||
2200pF | 2.2 nF | 222 | - | + | |
2.7 nF | 272 | - | |||
3.3 nF | 332 | - | + | ||
3.9 nF | 392 | - | |||
4.7 nF | 472 | - | + | ||
5.6 nF | 562 | - | |||
6.8 nF | 682 | - | |||
8.2 nF | 822 | ||||
0.01uF | 10 nF | 103 | - | + | |
12 nF | 123 | ||||
15 nF | 153 | - | |||
18 nF | 183 | - | |||
22 nF | 223 | - | |||
27 nF | 273 | ||||
0.033uF | 33 nF | 333 | |||
0.047uF | 47 nF | 473 | + | ||
0.10 uF | 104 | ||||
0.12uF | |||||
0.15uF | 154 | ||||
0.18uF | |||||
220nF | 0.22uF | 224 | |||
0.27uF | 274 | ||||
0.33uF | 334 | + | |||
0.47uF | 474 | ||||
0.56uF | |||||
680nF | 0.68uF | 684 | |||
0.82uF | |||||
1000nF | 1.0 uF | 105 | 大容量的电容一般精度不高,大概不适合做滤波器,超过10uF一般要买更大尺寸的。尺寸大的耐压也会更高(>2000V DC)。 | ||
1.2 uF | |||||
1.5 uF | |||||
1.8 uF | |||||
2.2 uF | 225 | ||||
2.7 uF | |||||
3.3 uF | |||||
3.9 uF | |||||
4.7 uF | |||||
5.6 uF | |||||
6.8 uF | |||||
10 uF | 106 | ||||
22 uF | 226 | ||||
33 uF | 336 | ||||
47 uF | 476 | ||||
330 uF | |||||
附录:电容系列及允许偏差
电容容值有E24、E12、E6系列,分别使用的允许偏差是+-5% +-10% +-20%,而E96允许误差是±1%,用在电容上比较少,主要用在电阻上(如,金属膜电阻)。
E6(20%) |
1.0 |
1.5 |
2.2 |
3.3 |
4.7 |
6.8 |
E12(10%) |
1.0 |
1.2 |
1.5 |
1.8 |
2.2 |
2.7 |
|
3.3 |
3.9 |
4.7 |
5.6 |
6.8 |
8.2 |
E24(5%) |
1.0 |
1.1 |
1.2 |
1.3 |
1.5 |
1.6 |
|
1.8 |
2.0 |
2.2 |
2.4 |
2.7 |
3.0 |
|
3.3 |
3.6 |
3.9 |
4.3 |
4.7 |
5.1 |
|
5.6 |
6.2 |
6.8 |
7.5 |
8.2 |
9.6 |
E96(1%) |
1.00 |
1.02 |
1.05 |
1.07 |
1.10 |
1.13 |
|
1.15 |
1.18 |
1.21 |
1.24 |
1.27 |
1.30 |
|
1.33 |
1.37 |
1.40 |
1.43 |
1.47 |
1.50 |
|
1.54 |
1.58 |
1.62 |
1.65 |
1.69 |
1.74 |
|
1.78 |
1.82 |
1.87 |
1.91 |
1.96 |
2.00 |
|
2.05 |
2.10 |
2.15 |
2.21 |
2.26 |
2.32 |
|
2.37 |
2.43 |
2.49 |
2.55 |
2.61 |
2.67 |
|
2.74 |
2.80 |
2.87 |
2.94 |
3.01 |
3.09 |
|
3.16 |
3.24 |
3.32 |
3.40 |
3.48 |
3.57 |
|
3.65 |
3.74 |
3.83 |
3.92 |
4.02 |
4.12 |
|
4.22 |
4.32 |
4.42 |
4.53 |
4.64 |
4.75 |
|
4.87 |
4.99 |
5.11 |
5.23 |
5.36 |
5.49 |
|
5.62 |
5.76 |
5.90 |
6.04 |
6.19 |
6.34 |
|
6.49 |
6.65 |
6.81 |
6.98 |
7.15 |
7.32 |
|
7.50 |
7.68 |
7.87 |
8.06 |
8.25 |
8.45 |
|
8.66 |
8.87 |
9.09 |
9.31 |
9.53 |
9.76 |