Teccor, Brand thyristors – Littelfuse Qxx25xx Series User Manual
Page 7
137
Revised: 09/23/13
©2013 Littelfuse, Inc
Specifications are subject to change without notice.
Teccor
®
brand Thyristors
25 Amp Standard & Alternistor (High Commutation) Triacs
Qxx25xx & Qxx25xHx Series
Dimensions — TO-220AB (R Package) — Non-isolated Mounting Tab
Dimension
Inches
Millimeters
Min
Max
Min
Max
A
0.380
0.420
9.65
10.67
B
0.105
0.115
2.67
2.92
C
0.230
0.250
5.84
6.35
D
0.590
0.620
14.99
15.75
E
0.142
0.147
3.61
3.73
F
0.110
0.130
2.79
3.30
G
0.540
0.575
13.72
14.61
H
0.025
0.035
0.64
0.89
J
0.195
0.205
4.95
5.21
K
0.095
0.105
2.41
2.67
L
0.060
0.075
1.52
1.91
M
0.085
0.095
2.16
2.41
N
0.018
0.024
0.46
0.61
O
0.178
0.188
4.52
4.78
P
0.045
0.060
1.14
1.52
R
0.038
0.048
0.97
1.22
Dimensions — TO-220AB (L Package) — Isolated Mounting Tab
Dimension
Inches
Millimeters
Min
Max
Min
Max
A
0.380
0.420
9.65
10.67
B
0.105
0.115
2.66
2.92
C
0.230
0.250
5.85
6.35
D
0.590
0.620
14.98
15.75
E
0.142
0.147
3.61
3.73
F
0.110
0.130
2.80
3.30
G
0.540
0.575
13.71
14.60
H
0.025
0.035
0.63
0.89
J
0.195
0.205
4.95
5.21
K
0.095
0.105
2.41
2.67
L
0.060
0.075
1.52
1.91
M
0.085
0.095
1.78
2.16
N
0.018
0.024
0.45
0.61
O
0.178
0.188
4.52
4.78
P
0.045
0.060
1.14
1.53
R
0.038
0.048
0.97
1.22
K
J
A
H
G
B
F
Ø
E
C
D
L
R
T
C
MEASURING POINT
AREA (REF.) 0.17 IN
2
MT2
O
P
N
M
MT1
GATE
.320
8.13
.526
13.36
.276
7.01
K
J
A
H
G
B
F
Ø E
C
D
L
R
T
C
MEASURING POINT
MT2
MT2
O
P
N
M
MT1
.276
7.01
.526
13.36
.320
8.13
GATE
AREA (REF.) 0.17 IN
2
NOTCH IN
GATE LEAD
TO ID.
NON-ISOLATED
TAB
Note: Maximum torque to
be applied to mounting tab
is 8 in-lbs. (0.904 Nm).
Note: Maximum torque to
be applied to mounting tab
is 8 in-lbs. (0.904 Nm).