A1121 ALLEGRO [Allegro MicroSystems], A1121 Datasheet - Page 12

• Manufacturer Part Number: A1121
• Description: Chopper Stabilized Precision Hall Effect Switches
• Manufacturer: ALLEGRO [Allegro MicroSystems]

A1120, A1121
and A1125
2.90
+0.10
–0.20
A
B
C
D
Active Area Depth, 0.28 mm REF
Reference land pattern layout
to meet application process requirements and PCB layout tolerances
Branding scale and appearance at supplier discretion
Hall element, not to scale
For Reference Only; not for tooling use (reference dwg. 802840)
Dimensions in millimeters
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
All pads a minimum of 0.20 mm from all adjacent pads; adjust as necessary
8X 10° REF
1
0.95 BSC
2.98
3
+0.12
–0.08
Chopper Stabilized Precision Hall Effect Switches
1.49
2
Branded Face
0.55 REF
D
0.40 ±0.10
Package LH, 3-Pin (SOT-23W)
0.96
D
0.05
1.00 ±0.13
+0.10
–0.05
D
1.91
+0.19
–0.06
A
0.25 BSC
4°
Gauge Plane
0.25 MIN
Seating Plane
0.180
+4°
–0°
+0.020
–0.053
1.00
C
B
0.70
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Standard Branding Reference View
N = Last two digits of device part number
T = Temperature code
PCB Layout Reference View
1
NNT
0.95
2.40
12