Outline Dimensions
Vishay Semiconductors
www.vishay.com
TO-247AC 3L
DIMENSIONS in millimeters and inches
A
A
(Datum B)
E(3)
Ø P (6)
B
Ø P1
A2
A
S
R/2 (2)
M
M
Ø K D B
Q
D2
2 x R (2)
D1 (4)
D
Thermal pad
2
4
D
1
3
L1 (5)
C
L
A
See view B
2 x b2
3 x b
C
2 x e
A1
E1(4)
b4
M
M
0.10 C A
M
M
0.01 D B
View A - A
(b1, b3, b5)
Plating
Base metal
D D E
E
(c)
c1
C
C
(b, b2, b4) (4)
Section C - C, D - D, E - E
View B
MILLIMETERS
INCHES
MIN.
MILLIMETERS
INCHES
SYMBOL
NOTES
SYMBOL
NOTES
MIN.
4.65
2.21
1.17
0.99
0.99
1.65
1.65
2.59
2.59
0.38
0.38
19.71
13.08
MAX.
5.31
2.59
1.37
1.40
1.35
2.39
2.34
3.43
3.38
0.89
0.84
20.70
-
MAX.
0.209
0.102
0.054
0.055
0.053
0.094
0.092
0.135
0.133
0.035
0.033
0.815
-
MIN.
0.51
MAX.
1.35
15.87
-
MIN.
MAX.
0.053
0.625
-
A
A1
A2
b
0.183
0.087
0.046
0.039
0.039
0.065
0.065
0.102
0.102
0.015
0.015
0.776
0.515
D2
E
0.020
0.602
0.53
15.29
13.46
3
E1
e
5.46 BSC
0.254
16.10
0.215 BSC
0.010
0.634
b1
b2
b3
b4
b5
c
Ø K
L
14.20
3.71
3.56
-
0.559
0.146
0.14
-
L1
Ø P
Ø P1
Q
4.29
3.66
7.39
5.69
5.49
0.169
0.144
0.291
0.224
0.216
5.31
4.52
0.209
0.178
c1
D
R
3
4
S
5.51 BSC
0.217 BSC
D1
Notes
(1)
(2)
(3)
Dimensioning and tolerancing per ASME Y14.5M-1994
Contour of slot optional
Dimension D and E do not include mold flash. Mold flash shall not exceed 0.127 mm (0.005") per side. These dimensions are measured at
the outermost extremes of the plastic body
Thermal pad contour optional with dimensions D1 and E1
Lead finish uncontrolled in L1
(4)
(5)
(6)
Ø P to have a maximum draft angle of 1.5 to the top of the part with a maximum hole diameter of 3.91 mm (0.154")
Outline conforms to JEDEC® outline TO-247 with exception of dimension Q
(7)
Revision: 20-Jun-17
Document Number: 96138
1
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