QT140 查看數據表（PDF） - Quantum Research Group
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QT140 Datasheet PDF : 14 Pages
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5 - PACKAGE OUTLINES
SYMBOL
a
A
M
m
Q
P
L
L1
F
R
r
S
S1
Aa
x
Y
SYMBOL
M
W
2a
D
L
E
e
Ø
H
h
Min
7.112
7.874
34.163
33.02
0.584
0.406
0.203
1.016
2.54
3.175
0.381
3.175
3.632
7.874
8.128
0.203
Package type: 28-Pin Dual-In-Line
Millimeters
Max
7.493
8.382
35.179
33.02
1.22
0.559
0.508
1.651
2.54
3.556
-
3.683
3.632
7.874
9.906
0.203
Notes
BSC
4 places
Typical
BSC
Typical
Min
0.28
0.31
1.385
1.3
0.023
0.016
0.008
0.04
0.1
0.125
0.015
0.125
0.143
0.31
0.32
0.008
D
L
M
Seating level
hH
2a W
ø
Base level
Min
10.070
7.650
5.200
0.650
0.250
0.550
0.130
0º
1.730
0.050
Package type: 28-pin SSOP
Millimeters
Max
10.33
7.9
5.38
0.65
0.38
0.95
0.22
8º
1.99
0.21
Notes
Min
0.396
0.301
0.205
0.026
0.010
0.022
0.005
0º
0.068
0.002
Inches
Max
0.295
0.33
1.395
1.3
0.048
0.022
0.02
0.065
0.1
0.14
-
0.145
0.18
0.31
0.39
0.013
e
E
Inches
Max
0.407
0.311
0.212
0.026
0.015
0.037
0.009
8º
0.078
0.008
Notes
BSC
4 places
Typical
BSC
Typical
Notes
lQ
12
QT140/150 1.01/1102
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