A1146 Allegro MicroSystems, A1146 Datasheet - Page 12

• Manufacturer Part Number: A1146
• Description: (A1145 / A1146) Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches
• Manufacturer: Allegro MicroSystems

A1145
A1146
5,581,179; 5,517,112; 5,619,137; 5,621,319; 5,650,719; 5,686,894; 5,694,038; 5,729,130; 5,917,320; and other patents pending.
permit improvements in the per for mance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that
the information being relied upon is current.
use; nor for any in fringe ment of patents or other rights of third parties which may result from its use.
Copyright © 2004, 2006 Allegro MicroSystems, Inc.
The products described herein are manufactured under one or more of the following U.S. patents: 5,045,920; 5,264,783; 5,442,283; 5,389,889;
Allegro MicroSystems, Inc. reserves the right to make, from time to time, such de par tures from the detail spec i fi ca tions as may be required to
Allegro products are not authorized for use as critical components in life-support devices or sys tems without express written approval.
The in for ma tion in clud ed herein is believed to be ac cu rate and reliable. How ev er, Allegro MicroSystems, Inc. assumes no re spon si bil i ty for its
and
.122
.117
3.10
2.97
.640
.600
16.26
15.24
.0565
NOM
.085
MAX
A
B
C
D
Ultrasensitive Two-Wire Chopper-Stabilized
.019
.014
Dimensions in inches
Metric dimensions (mm) in brackets, for reference only
Dambar removal protrusion (6X)
Ejector mark on opposite side
Active Area Depth .0195 [0.50] NOM
Hall element (not to scale)
Package UA, 3-Pin SIP
1.44
2.16
D
0.48
0.36
A
D
.0805
NOM
1
.164
.159
2.04
2
4.17
4.04
3
.050
NOM
Unipolar Hall Effect Switches
D
B
.062
.058
1.27
.017
.014
.031
REF
1.57
1.47
0.79
0.44
0.35
C
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
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