SMD元器件的符号意义
SMD片状电容
S
0805
N
101
J
JH
R
N
片式电容
尺寸
温度特性
容量代码
公差
额定电压
包装形式
端头特性
0805
1206
1210
1812
N=NPO
W=X7R
Z=Z5U
Y=Y5V
两位有效内+零的个数。例如:
10PF=100
100PF=101
1000PF=102
22.000PF=223
100.000PF=104
J=±5%
K=±10%
M=±20%
Z=+80-20%
1E=25V
1H=50V
2A=100V
2E=250V
2H=500V
2J=630V
B: 散装
R: 编带 卷装
N=阻挡层
P=钯、镀电极
S=银
SMD片状电阻
型号 TYPE
电阻温度系数 TCR
电阻值 RESISTANCE VALUE
误差TOSERANCE
包装 PACKAGING CODES
RC-03
(0603)
(0805)
RC-06
(1206)
K<±100PPM/℃
L<±200PPM/℃
Ist two digits
Are significant .
3rd digit is number
of zeros following
Letter R is
Decimal Point
J=±5%
G=±2%
*F±1%
T=Paper tape,5,000 Pcs
K=Embossed tape, 4,000Pcs
B=Bulk,2,000 Pcs
*1%Type<100pmm/℃ only
SMD片状钽电容
代码
EIA代码
L90.2(0.126)
W+0.2(0.008)
-0.1(0.004)
H+0.2(0.008)
-0..1(0.004)
W1 0.2(0.008)
A+0.3(0.012)
-0.2(0.008)
S Min.
A
3216
3.2(0.126
1.6(0.063)
1.6(0.063)
1.2(0.047)
0.8(0.031)
1.1(0.043)
B
3528
3.50.138
2.8(0.110)
1.9(0.075)
2.2(0.087)
0.8(0.031)
1.4(0.055)
C
9032
6.00.126
3.2(0.126)
2.3(0.102)
3.2(0.087)
1.3(0.051)
2.9(0.114)
D
7343
7.30.287
4.3(0.169)
2.9(0.114)
2.4(0.094)
1.3(0.051)
4.4(0.173)
E
7343H
7.330.287
4.3(0.169)
4.1(0.162)
2.4(0.094)
1.3(0.051)
4.4(0.173)
M
426*
4.70.185
2.6(0..1.2)
2.1(0.083)
1.4(0.055)
0.8(0.031)
2.7(0.106)
N
58466*
5.80.228
4.6(0.181)
3.2(0.126)
2.4(0.094)
1.3(0.051)
2.8(0.110)
SMDRATINGS AND CASE CODES
Working Voits D-Cnotage Code
4.0
6.3
10
16
20
25
35
50
Std
Ext
Std
Ext
Std
Ext
Std
Ext
Std
Ext
Std
Ext
Std
Ext
Std
Ext
0.1
0.15
0.22
0.33
A
A
A
A
B
B
A
47
0.68
1.0
1.5
A
A
A
A
A
A
A
A
A
B
B
A
B
B
B
C
A
A
B
C
C
C
B
C
2
3.3
4.7
6.8
A
A
A
A
A
B
A
A
B
B
B
C
A
A
B
B
B
C
C
A
A
B
B
B
C
C
C
B
B
C
C
D
B
C
C
C
D/E
D/E
B
C
D
D
D
C/E
E
10
15
22
33
B
B
C
C
A
B
B
C
C
BB
C
C
D/E
D
C/E
C
D
D/E
D
C
C
E
D
D/E
D
C
C
E
D/E
D/E
D
C
E
D/E
D
E
47
68
100
120
150
C/E
D
C
C
E
D
D
D/E
D
D
C
E
E
D
D
D/E
D
E
D/E
D