PRELIMINARY

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-0106 Rev. 1 (091991)

Page 2 of 3

PACKAGE DIMENSIONS

SCHEMATIC

NOTE:

1.

Dimensions are in millimeters.

2.

Inch equivalents are given for general information only.

3.

Glass meniscus included in dimension TL and BL

FIGURE 1 – Dimensions and configuration (TO-257AA)

Dimensions

Ltr

Millimeters

Inches

Min

Max

Min

Max

BL

10.41

10.92

.410

.430

CH

4.83

5.08

.190

.200

LD

0.64

0.89

.025

.035

LL

12.82

15.11

.505

.595

LO

3.05 BSC

.120 BSC

LS

2.54 BSC

.100 BSC

MHD

3.56

3.81

.140

.150

MHO

13.39

13.64

.527

.537

TL

16.38

16.89

.6450

.665

TT

0.89

1.14

.035

.045

TW

10.41

10.67

.410

.420

TERM 1

SEE SCHEMATIC

TERM 2

SEE SCHEMATIC

TERM 3

SEE SCHEMATIC