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Vishay Siliconix

Revision: 27-Mar-17

1

Document Number: 91365

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

TO-274AA (High Voltage)

Notes

• Dimensioning and tolerancing per ASME Y14.5M-1994

• 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 outer extremes of the plastic body

MILLIMETERS

INCHES

MILLIMETERS

INCHES

DIM.

MIN.

MAX.

MIN.

MAX.

DIM.

MIN.

MAX.

MIN.

MAX.

A

4.70

5.30

0.185

0.209

D1

15.50

16.10

0.610

0.634

A1

1.50

2.50

0.059

0.098

D2

0.70

1.30

0.028

0.051

A2

2.25

2.65

0.089

0.104

E

15.10

16.10

0.594

0.634

b

1.30

1.60

0.051

0.063

E1

13.30

13.90

0.524

0.547

b2

1.80

2.20

0.071

0.087

e

5.45 BSC

0.215 BSC

b4

3.00

3.25

0.118

0.128

L

13.70

14.70

0.539

0.579

0.38

0.89

0.015

0.035

L1

1.00

1.60

0.039

0.063

D

19.80

20.80

0.780

0.819

R

2.00

3.00

0.079

0.118

ECN: X17-0056-Rev. B, 27-Mar-17

DWG: 5975

A1

A

C

A2

B

E

E4

D

L

e

L1

b

0.10 (0.25)

B A

MM

E1

D2

D1

R

Detail “A”

A

b2

b4

Detail “A”

Scale: 2:1

10°

5°

Lead Tip