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 4 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.

OMH3020, OMH3020B, OMH3020S Uni-Polar

SYMBOL

PARAMETER

MIN

TYP

MAX

UNITS

TEST CONDITIONS

-

-

230

-

350

425

Gauss

+25°C

-55°C & +125°C

Magnetic Release Point

50

25

180

-

-

-

Gauss

+25°C

-55°C & +125°C

Magnetic Hysteresis

10

10

50

-

-

-

Gauss

+25°C

-55°C & +125°C

Icc

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)

OMH3040, OMH3040B, OMH3040S Uni-Polar

SYMBOL

PARAMETER

MIN

TYP

MAX

UNITS

TEST CONDITIONS

70

75

150

-

200

270

Gauss

+25°C

-55°C & +125°C

Magnetic Release Point

50

25

115

-

180

210

Gauss

+25°C

-55°C & +125°C

Magnetic Hysteresis

20

20

35

-

-

-

Gauss

+25°C

-55°C & +125°C

Icc

Supply Current

-

-

4

-

7

8

mA

-55°C & +125°C

Output Saturation Voltage

-

100

400

mV

Output Leakage Current

-

-

-

-

0.10

-

11

10

12

µA

-55°C

+125°C

Output Rise Time

-

0.21

1

µs

Output Fall Time

-

0.10

1

µs

(guaranteed not tested)