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 5 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) South pole facing symbolized surface.

OMH3075, OMH3075B, OMH3075S Bi-Polar Latching

SYMBOL

PARAMETER

MIN

TYP

MAX

UNITS

TEST CONDITIONS

50

25

150

-

250

275

Gauss

+25°C

-55°C & +125°C

Magnetic Release Point

-250

-275

-150

-

-50

-25

Gauss

+25°C

-55°C & +125°C

Magnetic Hysteresis

100

50

200

-

500

-

Gauss

+25°C

-55°C & +125°C

Supply Current

-

-

4

-

7

8

mA

-55°C & +125°C

Output Saturation Voltage

-

-

-

-

100

-

500

400

400

mV

-55°C

+125°C

Output Leakage Current

-

0.10

1.0

µA

Output Rise Time

-

0.21

1

µs

Output Fall Time

-

0.10

1

µs

(guaranteed not tested)

OMH3131, OMH3131B & OMS3131S Uni-Polar

SYMBOL

PARAMETER

MIN

TYP

MAX

UNITS

TEST CONDITIONS

20

10

-

-

95

150

Gauss

+25°C

-55°C to +125°C

Magnetic Release Point

10

5

-

-

85

145

Gauss

+25°C

-55°C to +125°C

Magnetic Hysteresis

5

5

-

-

40

145

Gauss

+25°C

-55°C to +125°C

Supply Current

-

4

7

mA

Output Saturation Voltage

-

100

400

mV

Output Leakage Current

-

0.10

10

µA

Output Rise Time

-

0.21

1

µs

Output Fall Time

-

0.10

1

µs

(guaranteed not tested)