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-0057 Rev. 3 (110213)

Page 3 of 8

PACKAGE DIMENSIONS

NOTES:

1. Dimensions are in inches.

2. Millimeters are given for general information only.

3. Beyond r (radius) maximum, TH shall be held for a minimum length of .011 (0.28 mm).

4. Dimension TL measured from maximum HD.

5. Body contour optional within zone defined by HD, CD, and Q.

6. 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.

7. Dimension LU applies between L1 and L2. Dimension LD applies between L2 and LL minimum. Diameter is

uncontrolled in L1 and beyond LL minimum.

8. All three leads.

9. The collector shall be internally connected to the case.

10. Dimension r (radius) applies to both inside corners of tab.

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

12. Lead 1 = emitter, lead 2 = base, lead 3 = collector.

FIGURE 1. Physical dimensions TO-18 (2N2369A).

Dimensions

Ltr

Inches

Millimeters

Notes

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

7,8

LL

.500

.750

12.70

19.05

7,8,13

LU

.016

.019

0.41

0.48

7,8

.050

1.27

7,8

.250

6.35

7,8

P

.100

2.54

5

Q

.030

0.76

5

TL

.028

.048

0.71

1.22

3,4

TW

.036

.046

0.91

1.17

3

r

.010

0.25

10

α

45° TP

45° TP

6