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What is 3141?

This electronic component, produced by the manufacturer "Allegro MicroSystems", performs the same function as "SENSITIVE HALL-EFFECT SWITCHES".


3141 Datasheet PDF - Allegro MicroSystems

Part Number 3141
Description SENSITIVE HALL-EFFECT SWITCHES
Manufacturers Allegro MicroSystems 
Logo Allegro MicroSystems Logo 


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A3141, A3142, A3143, and A3144
Sensitive Hall Effect Switches for High-Temperature Operation
Discontinued Product
These parts are no longer in production The device should not be
purchased for new design applications. Samples are no longer available.
Date of status change: October 31, 2005
Recommended Substitutions:
For new customers and applications:
• for the A3141, refer to the A1101
• for the A3142, refer to the A1102
• for the A3143, refer to the A1103
• for the A3144, refer to the A1104
NOTE: For detailed information on purchasing options, contact your
local Allegro field applications engineer or sales representative.
Allegro MicroSystems, Inc. reserves the right to make, from time to time, revisions to the anticipated product life cycle plan for a
product to accommodate changes in production capabilities, alternative product availabilities, or market demand. The information
included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no responsibility for its use; nor
for any infringements of patents or other rights of third parties which may result from its use.

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3141 equivalent
3141 THRU 3144
SENSITIVE
HALL-EFFECT SWITCHES
FOR HIGH-TEMP. OPERATION
ELEMENT LOCATIONS
(±0.005” [0.13 mm] die placement)
Suffix “LT”
ACTIVE AREA DEPTH
0.0305"
0.775 mm
NOM
0.089"
2.26 mm
A
0.043"
1.09 mm
12
3
Dwg. MH-008-2D
Suffix “UA”
ACTIVE AREA DEPTH
0.0195"
0.50 mm
NOM
0.082"
2.07 mm
A
BRANDED
SURFACE
1
2
0.055"
1.39 mm
3
Dwg. MH-011-10A
TYPICAL OPERATING CHARACTERISTICS (cont.)
CHANGE IN OPERATE POINT
20
15
TA = +25°C
10
5.0
0
-5.0
0
Allegro
5 10 15
SUPPLY VOLTAGE IN VOLTS
20 25
Dwg. GH-042-1
OPERATION
The output of these devices (pin 3) switches low when the magnetic field
at the Hall element exceeds the operate point threshold (BOP). At this point, the
output voltage is VOUT(SAT). When the magnetic field is reduced to below the
release point threshold (BRP), the device output goes high. The difference in
the magnetic operate and release points is called the hysteresis (Bhys) of the
device. This built-in hysteresis allows clean switching of the output even in
the presence of external mechanical vibration and electrical noise.
Extensive applications information for Hall-effect devices is available in:
Hall-Effect IC Applications Guide, Application Note 27701;
Hall-Effect Devices: Soldering, Gluing, Potting, Encapsulating, and Lead
Forming, Application Note 27703.1;
Soldering of Through-Hole Hall-Sensor Dervices, Application Note 27703;
and
Soldering of Surface-Mount Hall-Sensor Devices, Application Note 27703.2.
All are provided in Allegro Electronic Data Book, AMS-702. or at
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 3141 electronic component.


Information Total 9 Pages
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