TECHNICAL DATA SHEET

6 Lake Street, Lawrence, MA 01841

1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803

Website: http: //www.microsemi.com

T4-LDS-0161 Rev. 1 (100514)

Page 3 of 4

PACKAGE DIMENSIONS

NOTES:

1. Dimensions are in inches.

* 2. Millimeters are given for general information only.

3. Symbol TL is measured from HD maximum.

4. Details of outline in this zone are optional.

5. Symbol CD shall not vary more than .010 (0.25 mm) in zone P. This zone is controlled for automatic handling.

6. Leads at gauge plane .054 (1.37 mm) +.001 inch (0.03 mm) -.000 inch (0.00 mm) below seating plane shall be within

.007 inch (0.18

mm) radius of true position (TP) relative to tab. Device may be measured by direct methods or by gauge.

8. Lead number three is electrically connected to case.

9. Beyond r maximum, TW shall be held for a minimum length of .011 inch (0.28 mm).

10. Symbol r applied to both inside corners of tab.

11. Measured in a zone beyond .250 (6.35 mm) from the seating plane.

12. Measured in the zone between .050 (1.27 mm) and .250 (6.35mm) from the seating plane.

* 13. In accordance with ASME Y14.5M, diameters are equivalent to

φx symbology.

* 14. Lead 1 = emitter, lead 2 = base, and case is collector.

*FIGURE 1. Physical dimensions (similar to TO-18)

Dimensions

Symbol

Inches

Millimeters

Note

Min

Max

Min

Max

CD

.178

.195

4.52

4.95

CH

.170

.210

4.32

5.33

HD

.209

.230

5.31

5.84

LC

.100 TP

2.54 TP

6

LD

.016

.021

0.41

0.53

7,11

LL

.500

.750

12.70

19.05

7

LU

.016

.019

0.41

0.48

12

.050

1.27

7

.250

6.35

7

P

.100

2.54

5

Q

.040

1.02

4

TL

.028

.048

0.71

1.22

3

TW

.036

.046

0.91

1.17

9

r

.010

0.25

10

α

45

° TP

45

° TP

6