TECHNICAL DATA SHEET

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Website: http: //www.microsemi.com

T4-LDS-0050 Rev. 2 (101154)

Page 3 of 4

PACKAGE DIMENSIONS

NOTES:

1. Dimensions are in inches.

2. Millimeters are given for general information only.

3. Glass meniscus included in dimension D and E.

4. All terminals are isolated from the case.

5. In accordance with ASME Y14.5M, diameters are equivalent to φx symbology.

FIGURE 1. Physical dimensions for TO-254AA

Ltr.

Dimensions

Inches

Millimeters

Note

Min

Max

Min

Max

BL

.535

.545

13.59

13.84

CH

.249

.260

6.32

6.60

LD

.035

.045

0.89

1.14

LL

.510

.570

12.95

14.48

LO

.150 BSC

3.81 BSC

LS

.150 BSC

3.81 BSC

MHD

.139

.149

3.53

3.78

MHO

.665

.685

16.89

17.40

TL

.790

.800

20.07

20.32

3, 4

TT

.040

.050

1.02

1.27

TW

.535

.545

13.59

13.84

3, 4

Term 1

Drain

Term 2

Source

Term 3

Gate