OPTEK Technology Inc. — 1645 Wallace Drive, Carrollton, Texas 75006

Phone: (972) 323-2200 or (800) 341-4747

FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com

Issue B.1

06/07

Page 2 of 7

OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.

High Reliability Hallogic Hall-Effect Sensors

OMH090 OMH3019, OMH3020, OMH3040, OMH3075,

OMH3131 (B, S versions)

Notes:

(1) Heat sink leads during hand soldering.

25 V

-65°C to +150°C

-55°C to +125°C

Lead Soldering Temperature (1/8 in. (3.2 mm) from case for 5 seconds with soldering iron)

25 mA

25 V

Magnetic Flux Density, B

Unlimited

Part

Number

Hi-Reliability

Hallogic®

Sensor

Operate Point

Gauss

Min / Typ / Max

Release Point

Gauss

Min / Typ / Max

Hysteresis Gauss

Min / Typ / Max

(Volts)

Min / Max

Lead

Length

OMH090B

Uni-Polar

Non-Latching

50/90/180

30 / 60 / 160

5 / 30 / 70

4.5 / 24.0

OMH090S

OMH3019B

175 / 420 / 500

125 / 220 / 420

30 / 100 / 155

OMH3019S

OMH3020B

70 / 220 / 350

50 / 165 / 330

15 / 55 / 200

OMH3020S

OMH3040B

70 / 150 / 200

50 / 115 / 180

110 / 35 / 60

OMH3040S

OMH3075B

Bi-Polar

Latching

50 / 150 / 250

-250 / -150 / -50

100 / 300 / 500

OMH3075S

OMH3131B

20 / 60 / 95

10 / 45 / 85

5 / 15 / 40

OMH3131S

0.50”