Chopper-Stabilized, Precision Hall-Effect Switch
A3240
9
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Package LT, 3-Pin (SOT89/TO-243AA)
Parting
Line
2.24
1.14
321
A
A
Active Area Depth, 0.78 mm REF
B
C
D
C
2X 1.50 BSC
4.50±0.10
1.50±0.10
0.50±0.06
0.42±0.06
1.73
+0.10
–0.11
2.20
+0.09
–0.07
2.45
+0.15
–0.16
4.10
+0.15
–0.16
1.00
+0.20
–0.11
0.40
+0.04
–0.05
Branding scale and appearance at supplier discretion
Hall element, not to scale
Reference land pattern layout (reference IPC7351 SOT89N);
All pads a minimum of 0.20 mm from all adjacent pads;
adjust as necessary to meet application process
requirements and PCB layout tolerances
Standard Branding Reference View
NNT
1
= Supplier emblem
N = Last two digits of device part number
T = Temperature code
For Reference Only; not for tooling use (reference JEDEC. TO-243AA)
Dimensions in millimeters
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
1.50
1.00
0.80
2.60
2.00
2.50
0.70
4.60
B
PCB Layout Reference View
Basic pads for low-stress, not self-aligning
Additional pad for low-stress, self-aligning
Additional area for IPC reference layout
Chopper-Stabilized, Precision Hall-Effect Switch
A3240
10
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Package UA, 3-Pin SIP
231
1.27 NOM
2.16
MAX
0.51
REF
45°
C
45°
0.79 REF
B
E
E
E
2.06
1.45
Gate burr area
A
B
C
Dambar removal protrusion (6X)
A
D
E
D
Branding scale and appearance at supplier discretion
Hall element, not to scale
Active Area Depth, 0.50 mm REF
For Reference Only; not for tooling use (reference DWG-9049)
Dimensions in millimeters
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
Standard Branding Reference View
= Supplier emblem
N = Last two digits of device part number
T = Temperature code
NNT
1
Mold Ejector
Pin Indent
Branded
Face
4.09
+0.08
–0.05
0.41
+0.03
–0.06
3.02
+0.08
–0.05
0.43
+0.05
–0.07
15.75 ±0.51
1.52 ±0.05
Copyright ©2000-2008, 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;
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.
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 per-
mit 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.
Allegro’s products are not to be used in life support devices or systems, if a failure of an Allegro product can reasonably be expected to cause the
failure of that life support device or system, or to affect the safety or effectiveness of that device or system.
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 use;
nor for any in fringe ment of patents or other rights of third parties which may result from its use.
For the latest version of this document, visit our website:
www.allegromicro.com

A3240LLT-T

Mfr. #:
Manufacturer:
Description:
MAGNETIC SWITCH UNIPOLAR SOT89-3
Lifecycle:
New from this manufacturer.
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