Outline Dimensions
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Vishay Semiconductors
Revision: 20-Apr-17
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Document Number: 95223
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TO-247AC
DIMENSIONS in millimeters and inches
Notes
(1)
Dimensioning and tolerancing per ASME Y14.5M-1994
(2)
Contour of slot optional
(3)
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
(4)
Thermal pad contour optional with dimensions D1 and E1
(5)
Lead finish uncontrolled in L1
(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")
(7)
Outline conforms to JEDEC
®
outline TO-247 with exception of dimension c
SYMBOL
MILLIMETERS INCHES
NOTES SYMBOL
MILLIMETERS INCHES
NOTES
MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX.
A 4.65 5.31 0.183 0.209 D2 0.51 1.30 0.020 0.051
A1 2.21 2.59 0.087 0.102 E 15.29 15.87 0.602 0.625 3
A2 1.50 2.49 0.059 0.098 E1 13.72 - 0.540 -
b 0.99 1.40 0.039 0.055 e 5.46 BSC 0.215 BSC
b1 0.99 1.35 0.039 0.053 Ø K 2.54 0.010
b2 1.65 2.39 0.065 0.094 L 14.20 16.10 0.559 0.634
b3 1.65 2.34 0.065 0.092 L1 3.71 4.29 0.146 0.169
b4 2.59 3.43 0.102 0.135 Ø P 3.56 3.66 0.14 0.144
b5 2.59 3.38 0.102 0.133 Ø P1 - 6.98 - 0.275
c 0.38 0.89 0.015 0.035 Q 5.31 5.69 0.209 0.224
c1 0.38 0.84 0.015 0.033 R 4.52 5.49 0.178 0.216
D 19.71 20.70 0.776 0.815 3 S 5.51 BSC 0.217 BSC
D1 13.08 - 0.515 - 4
0.10 AC
M M
E
(2)
(3)
(4)
(4)
(2) R/2
B
2 x R
S
D
See view B
2 x e
b4
3 x b
2 x b2
L
C
(5) L1
1
2
3
Q
D
A
A2
A
A
A1
C
Ø K BD
M M
A
(6)
Φ P
(Datum B)
Φ P1
D1 (4)
4
E1
0.01 BD
M M
View A - A
Thermal pad
D2
DDE E
C
C
View B
(b1, b3, b5)
Base metal
c1
(b, b2, b4)
Section C - C, D - D, E - E
(c)
Plating
