Chopper-Stabilized, Two Wire

Hall-Effect Switches

A1150, A1152, A1153, A1155,

A1156, A1157, and A1158

11

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

23

1

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

D

E

E

1.44 NOM

2.05 NOM

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

Standard Branding Reference View

NNN

1

Mold Ejector

Pin Indent

= Supplier emblem

N = Last three digits of device part number

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