Vishay TO-247AC Dimensional Sheet
TO-247AC (HIGH VOLTAGE)
4
E
E/2
R/2
3
Q
B
Package Information
Vishay Siliconix
A
S
A2
A
Ø k BD
D2
A
7
ØP
MM
(Datum B)
ØP1
2 x R
(2)
5
L1
2 x b2
3 x b
MM
0.10 AC
D
1
C
3
2
L
See view B
2 x e
b4
D
A
C
A1
DDE E
View B
Thermal pad
Planting
C
C
(c)
4
5
E1
MM
0.01 BD
View A - A
(b1, b3, b5)
(b, b2, b4)
Section C - C, D - D, E - E
(4)
5
D1
Base metal
c1
MILLIMETERS INCHES MILLIMETERS INCHES
DIM. MIN. MAX. MIN. MAX. DIM. 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
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 0.254 0.010
b2 1.65 2.39 0.065 0.094 L 14.20 16.10 0.559 0.634
b3 1.65 2.37 0.065 0.093 L1 3.71 4.29 0.146 0.169
b4 2.59 3.43 0.102 0.135 N 7.62 BSC 0.300 BSC
b5 2.59 3.38 0.102 0.133 Ø P 3.56 3.66 0.140 0.144
c 0.38 0.86 0.015 0.034 Ø P1 - 7.39 - 0.291
c1 0.38 0.76 0.015 0.030 Q 5.31 5.69 0.209 0.224
D 19.71 20.70 0.776 0.815 R 4.52 5.49 0.178 0.216
D1 13.08 - 0.515 - S 5.51 BSC 0.217 BSC
ECN: S-81920-Rev. A, 15-Sep-08
DWG: 5971
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.
Document Number: 91360 www.vishay.com
Revision: 15-Sep-08 1
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