- Comchip Technology

Comchip
Suggested PAD Layout
SMD Diode Specialist
A
C
B
QR/0402
ER/0503
UR/0603
FR/1005
SIZE
(mm)
(inch)
(mm)
(inch)
(mm)
(inch)
(mm)
(inch)
A(MAX.)
0.75
0.030
0.85
0.033
1.25
0.049
2.00
0.079
B(MIN.)
0.50
0.020
0.55
0.022
0.60
0.024
0.70
0.028
C(MIN.)
0.70
0.028
0.85
0.033
1.00
0.039
1.30
0.051
U/0603
F/1005
K/SOD-123F
SIZE
(mm)
(inch)
(mm)
(inch)
(mm)
(inch)
A(MAX.)
1.70
0.067
2.10
0.083
3.45
0.136
B(MIN.)
0.60
0.024
1.20
0.047
1.30
0.052
C(MIN.)
0.80
0.031
1.20
0.047
1.60
0.063
S/0805
SC/0805
NC/1206
SIZE
(mm)
(inch)
(mm)
(inch)
(mm)
(inch)
A(MAX.)
2.10
0.083
1.728
0.068
2.795
0.11
B(MIN.)
1.20
0.047
0.508
0.020
0.635
0.025
C(MIN.)
1.20
0.047
1.40
0.055
1.70
0.067
Page 1
Comchip Technology CO., LTD.
Comchip
Suggested PAD Layout
SMD Diode Specialist
A
C
B
SOD-123
MINI SMA
SIZE
SMA/
DO-214A
SMB/
DO-214AA
SMC/
DO-214AB
(mm)
(inch)
(mm)
(inch)
(mm)
(inch)
(mm)
(inch)
(mm)
(inch)
A(MAX.)
3.50
0.138
3.50
0.138
3.70
0.146
3.96
0.156
6.21
0.244
B(MIN.)
1.50
0.059
1.50
0.059
1.32
0.052
1.27
0.050
1.52
0.060
C(MIN.)
1.50
0.059
1.50
0.059
1.52
0.060
2.10
0.083
3.07
0.121
Mini-MELF
SIZE
MELF/
DO-213AB
(mm)
(inch)
(mm)
(inch)
A(MAX.)
3.50
0.138
5.20
0.205
B(MIN.)
1.30
0.051
1.40
0.055
C(MIN.)
1.70
0.067
2.70
0.106
Page 2
Comchip Technology CO., LTD.
Comchip
Suggested PAD Layout
SMD Diode Specialist
SOT-23
SOT-323
SOT-523
SIZE
A
(mm)
(inch)
(mm)
(inch)
(mm)
(inch)
A(MIN.)
0.90
0.035
0.90
0.035
0.50
0.019
B(MIN.)
0.80
0.031
0.70
0.028
0.50
0.019
C(MAX.)
0.95
0.037
0.65
0.025
0.50
0.019
D(MAX.)
2.00
0.078
1.95
0.075
1.40
0.055
D
B
C
C
SOT-353/363
SOT-23-5
SOT-23-6
SIZE
(mm)
(inch)
(mm)
(inch)
A(MAX.)
0.60
0.024
1.10
0.043
B(MAX.)
0.42
0.017
0.70
0.028
C(MAX.)
0.65
0.026
0.97
0.038
D(MAX.)
1.90
0.075
3.60
0.141
A
D
B
Omit this pad for SOT-353
C
MINIDIP
DF-S
SOT-143
SIZE
A
D
(mm)
(inch)
(mm)
(inch)
(mm)
(inch)
A(MAX.)
0.70
0.028
1.50
0.059
1.40
0.055
B(MAX.)
0.58
0.023
1.20
0.047
0.70
0.028
C(MAX.)
2.70
0.106
5.20
0.205
3.40
0.134
D(MAX.)
5.51
0.217
7.26
0.286
2.20
0.087
B
Page 3
Comchip Technology CO., LTD.
Comchip
Suggested PAD Layout
SMD Diode Specialist
F
.......
C
E
D
.......
A
B
NSOIC-8
NSOIC-14
NSOIC-16
WSOIC-16
WSOIC-20
SIZE
(mm)
(inch)
(mm)
(inch)
(mm)
(inch)
(mm)
(inch)
(mm)
(inch)
A
0.70
0.028
0.70
0.028
0.70
0.028
0.70
0.028
0.70
0.028
B
1.27
0.050
1.27
0.050
1.27
0.050
1.27
0.050
1.27
0.050
C
2.40
0.094
2.40
0.094
2.40
0.094
2.40
0.094
2.40
0.094
D
2.50
0.098
2.50
0.098
2.50
0.098
6.90
0.272
6.90
0.272
E
7.30
0.287
7.30
0.287
7.30
0.287
11.7
0.461
11.7
0.461
F
3.81
0.150
7.62
0.300
8.89
0.350
8.89
0.350
11.43
0.450
QSOP-16
QSOP-20
QSOP-24
SIZE
(mm)
(inch)
(mm)
(inch)
(mm)
(inch)
A
0.30
0.012
0.30
0.012
0.30
0.012
B
0.63
0.025
0.63
0.025
0.63
0.025
C
1.27
0.050
1.27
0.050
1.27
0.050
D
4.56
0.180
4.56
0.180
4.56
0.180
E
7.10
0.280
7.10
0.280
7.10
0.280
F
4.45
0.175
6.99
0.225
6.99
0.225
Page 4
Comchip Technology CO., LTD.