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-0173 Rev. 1 (101069)

Page 4 of 5

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

Leads at gauge plane .054 inch (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 TP relative to tab. Device may be measured by direct methods or by gauge.

6

Symbol LU applies between L1 and L2. Dimension LD applies between L2 and LL minimum.

7

Lead number three is electrically connected to case.

8

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

9

Symbol r applied to both inside corners of tab.

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

φx symbology.

11 Lead 1 is emitter, lead 2 is base, and lead 3 is collector.

FIGURE 2: Physical dimensions – TO-46 2N3737

Dimensions

Ltr

Inches

Millimeters

Notes

Min

Max

Min

Max

CD

.178

.195

4.52

4.95

CH

.065

.085

1.65

2.16

HD

.209

.230

5.31

5.84

LC

.100 TP

2.54 TP

5

LD

.016

.021

0.41

0.53

LL

.500

1.750

12.70

44.45

6

LU

.016

.019

0.41

0.48

6

.050

1.27

6

.250

6.35

6

Q

.040

1.02

3

TL

.028

.048

0.71

1.22

8

TW

.036

.046

0.91

1.17

4

r

.010

0.25

9

α

45° TP

45° TP

5