A1140, A1141,
A1142, and A1143
Sensitive Two-Wire Chopper-Stabilized
Unipolar Hall Effect Switches
Product Selection Guide
Part Number
A1140EUATI-T
4
A1140LUATI-T
4
A1141EUATI-T
4
A1141LUATI-T
4
A1142ELHLT-T
A1142EUA-T
A1142EUATI-T
4
A1142LLHLT-T
A1142LUA-T
A1142LUATI-T
4
A1143ELHLT-T
A1143EUA-T
A1143EUATI-T
4
A1143LLHLT-T
A1143LUA-T
Pb-Free
1
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Packing
2
Tape and Reel, 2000 pieces/reel
Tape and Reel, 2000 pieces/reel
Tape and Reel, 2000 pieces/reel
Tape and Reel, 2000 pieces/reel
Tape and Reel, 3000 pieces/reel
Bulk Bag, 500 pieces/bag
Tape and Reel, 2000 pieces/reel
Tape and Reel, 3000 pieces/reel
Bulk Bag, 500 pieces/bag
Tape and Reel, 2000 pieces/reel
Tape and Reel, 3000 pieces/reel
Bulk Bag, 500 pieces/bag
Tape and Reel, 2000 pieces/reel
Tape and Reel, 3000 pieces/reel
Bulk Bag, 500 pieces/bag
Package
Through Hole
Through Hole
Through Hole
Through Hole
Surface Mount
Through Hole
Surface Mount
Through Hole
Surface Mount
Through Hole
Surface Mount
Through Hole
–40 to 150
–40 to 85
High
–40 to 150
5 to 6.9
–40 to 85
Low
Operating Ambient
Temperature, T
A
(°C)
–40 to 85
–40 to 150
–40 to 85
–40 to 150
Output Level in
South (+) Field
3
Low
2 to 5
High
Supply Current at
Low Output, I
CC(L)
(mA)
Yes
Tape and Reel, 2000 pieces/reel
A1143LUATI-T
4
1
Pb-based variants are being phased out of the product line.
(a) Certain variants cited in this footnote are in production but have been determined to be NOT FOR NEW DESIGN. This classification indicates that
sale of this device is currently restricted to existing customer applications. The device should not be purchased for new design applications because
obsolescence in the near future is probable. Samples are no longer available. Status change: May 1, 2006. These variants include A1140EUATI,
A1140LUATI, A1140LUATI, A1141EUA, A1141EUATI, A1141LLHLT, A1141LUA, A1141LUATI, A1142EUATI, A1142LUATI,A1142LLHLT, A1142LUA,
A1143EUATI, A1143LUA , and A1143LUATI.
(b) Certain variants cited in this footnote are in production but have been determined to be LAST TIME BUY. This classification indicates that the
product is obsolete and notice has been given. Sale of this device is currently restricted to existing customer applications. The device should not be
purchased for new design applications because of obsolescence in the near future. Samples are no longer available. Status date change October 31,
2006. Deadline for receipt of LAST TIME BUY orders is April 27, 2007. These variants include: A1142ELHLT, A1142EUA, A1143ELHLT, A1143EUA, and
A1143LLHLT.
2
Contact Allegro for additional packing options.
3
South (+) magnetic fields must be of sufficient strength.
4
Some restrictions may apply to certain types of sales. Contact Allegro for details.
5
The sensors listed in this footnote are available only in limited distribution. Interested customers should contact the appropriate sales person or
field application engineer for more information on availability. These variants include: A1140ELHLT-T, A1140EUA-T, A1140LLHLT-T, A1140LUA-T,
A1141ELHLT-T, A1141EUA-T, A1141LLHLT-T, and A1141LUA-T.
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
3
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
