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A1244LLHLT-I1-T

P1-P3P4-P6P7-P9P10-P12
Chopper-Stabilized, Two-Wire
Hall-Effect Latch
A1244
10
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Package LH, 3-Pin SOT23W
0.55 REF
Gauge Plane
Seating Plane
0.25 BSC
0.95 BSC
0.95
1.00
0.70
2.40
2
1
A
Active Area Depth, 0.28 mm REF
B
C
C
B
Reference land pattern layout
All pads a minimum of 0.20 mm from all adjacent pads; adjust as necessary
to meet application process requirements and PCB layout tolerances
Branding scale and appearance at supplier discretion
A
PCB Layout Reference View
Standard Branding Reference View
1
Branded Face
N = Last three digits of device part number
NNN
2.90
+0.10
–0.20
4°±4°
8X 10° REF
0.180
+0.020
–0.053
0.05
+0.10
–0.05
0.25 MIN
1.91
+0.19
–0.06
2.98
+0.12
–0.08
1.00 ±0.13
0.40 ±0.10
For Reference Only; not for tooling use (reference DWG-2840)
Dimensions in millimeters
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
D
Hall element, not to scale
D
D
D
1.49
0.96
3
Chopper-Stabilized, Two-Wire
Hall-Effect Latch
A1244
11
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Package UA, 3-Pin SIP
2 31
1.27 NOM
1.02
MAX
45°
45°
C
1.52 ±0.05
B
Gate and tie bar burr area
A
B
C
Dambar removal protrusion (6X)
A
D
E
E
E
1.44
2.04
E
Active Area Depth, 0.50 mm REF
Branding scale and appearance at supplier discretion
Hall element (not to scale)
For Reference Only; not for tooling use (reference DWG-9065)
Dimensions in millimeters
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
Mold Ejector
Pin Indent
D
Standard Branding Reference View
= Supplier emblem
N = Last three digits of device part number
NNN
1
0.41
+0.03
–0.06
0.43
+0.05
–0.07
14.99 ±0.25
4.09
+0.08
–0.05
3.02
+0.08
–0.05
0.79 REF
10°
Branded
Face
Chopper-Stabilized, Two-Wire
Hall-Effect Latch
A1244
12
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
For the latest version of this document, visit our website:
www.allegromicro.com
Revision History
Revision Revision Date Description of Revision
1 July 12, 2012 Update package drawing
2 September 21, 2015 Added AEC-Q100 qualification under Features
and Benefits
Copyright ©2016, Allegro MicroSystems, LLC
Allegro MicroSystems, LLC reserves the right to make, from time to time, such departures from the detail specifications as may be required to
the information being relied upon is current.
Allegro’s products are not to be used in any devices or systems, including but not limited to life support devices or systems, in which a failure of
Allegro’s product can reasonably be expected to cause bodily harm.
The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, LLC assumes no responsibility for its
use; nor for any infringement of patents or other rights of third parties which may result from its use.
P1-P3P4-P6P7-P9P10-P12

A1244LLHLT-I1-T

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Description:
Two-Wire Hall-Effect Latch
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