Ultra-Sensitive Dual-Channel Quadrature
Hall-Effect Bipolar Switch
A3425
19
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
Package K, 4-pin SIP
2431
E1 E2
2.10
1.00
0.84 REF
1.27 NOM
2.16
MAX
0.51
REF
45°
45°
C
Hall elements (E1 and E2); not to scale
B
1.32
Gate and tie bar burr area
A
B
C
Dambar removal protrusion (8X)
A
D
E
E
E
E
D
Active Area Depth, 0.43 mm REF
For Reference Only; not for tooling use (reference DWG-9010)
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
N = Device part number
Y = Last two digits of year of manufacture
W = Week of manufacture
Mold Ejector
Pin Indent
Branded
Face
YYWW
NNNN
1
5.21
+0.08
–0.05
0.38
+0.06
–0.03
3.43
+0.08
–0.05
0.41
+0.07
–0.05
14.73 ±0.51
1.55 ±0.05
Branding scale and appearance at supplier discretion
Ultra-Sensitive Dual-Channel Quadrature
Hall-Effect Bipolar Switch
A3425
20
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
Package L, 8-pin SOIC
Copyright ©2005-2009, 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
C
SEATING
PLANE
21
21
8
1.27 BSC
GAUGE PLANE
SEATING PLANE
A
Terminal #1 mark area
B
Reference land pattern layout (reference IPC7351
SOIC127P600X175-8M); all pads a minimum of 0.20 mm from all
adjacent pads; adjust as necessary to meet application process
requirements and PCB layout tolerances
PCB Layout Reference View
B
C
Active Area Depth, 0.40 mm REF
D
C
A
B
Branding scale and appearance at supplier discretion
C
0.65
1.27
5.60
1.75
C0.10
8X
0.25 BSC
1.04 REF
For Reference Only; not for tooling use (reference DWG-9204)
Dimensions in millimeters
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
4.90 ±0.10
3.90 ±0.10
0.41 ±0.10
6.00 ±0.20
0.21 ±0.04
0.84
+0.43
–0.44
0.15
+0.10
–0.05
1.62
+0.13
–0.27
Standard Branding Reference View
NNNNNNN
LLLL
1
N = Device part number
= Supplier emblem
Y = Last two digits of year of manufacture
W = Week of manufacture
L = Lot number
YYWW
8
1.96
0.99
1.96
D
D
D
E1
E2

A3425EK-T

Mfr. #:
Manufacturer:
Description:
MAGNETIC SWITCH BIPOLAR 4SIP
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union