TECHNICAL DATA SHEET

6 Lake Street, Lawrence, MA 01841

Gort Road Business Park, Ennis, Co. Clare, Ireland

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

Tel: +353 (0) 65 6840044 Fax: +353 (0) 65 6822298

Website: http: //www.microsemi.com

T4-LDS-0092 Rev. 2 (101320)

Page 3 of 4

PACKAGE DIMENSIONS

NOTES:

1. Dimensions are in inches. Lead 1 is emitter, lead 2 is base, and lead 3 is collector.

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 +.001 -.000 inch (1.37 +0.03 -0.00 mm) below seating plane shall be within .007 inch (0.18

mm) radius of true position (TP) at maximum material condition (MMC) relative to tab at MMC. The device may be

measured by direct methods or by the gauge and gauging procedure.

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.

FIGURE 1. Physical dimensions - (TO-46).

Symbol

Dimensions

Inches

Millimeters

Note

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

6

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

4

TL

.028

.048

0.71

1.22

3, 8

TW

.036

.046

0.91

1.17

3, 8

r

.010

0.25

9

α

45° TP

45° TP

5