
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
Hallogic Hall-effect Sensors
OH090U, OH180U, OH360U
OHN3000 Series, OHS3000 Series
OHN3100 Series, OHS3100 Series
OPTEK Technology Inc. —
1645 Wallace Drive, Carrollton, Texas 75006
FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com
Phone: (972) 323-2200 or (800) 341-4747
Issue A .1 06/05
Page 4 of 9
Notes:
(1) South pole facing symbolized surface.
OHN3020U, OHS3020U, OHN3120U, OHS3120U Uni-Polar
SYMBOL
PARAMETER
MIN
TYP MAX UNITS
TEST CONDITIONS
B
OP
Magnetic Operate
Point
OH_3020
OHN3120
OHS3120
70
70
35
230
-
-
350
425
450
Gauss
+25°C
-20°C to +85°C
-40°C to +125°C
B
RP
Magnetic Release
Point
OH_3020
OHN3120
OHS3120
50
50
25
180
-
-
330
405
430
Gauss
+25°C
-20°C to +85°C
-40°C to +125°C
B
H
Magnetic Hysteresis
OH_3020
OHN3120
OHS3120
20
20
20
50
-
-
-
-
-
Gauss
+25°C
-20°C to +85°C
-40°C to +125°C
Icc
Supply Current
-
4
7
mA
Vcc = 24 V, Output Off, B
≤
50 Gauss
V
OL
Output Saturation Voltage
-
100
400
mV
Vcc = 4.5 V, I
OL
= 20 mA, B
≥
350 Gauss
I
OH
Output Leakage Current
-
0.1
10.0
μA
Vcc = 24 V, V
OUT
= 24 V, B
≤
50 Gauss
t
r
Output Rise Time
-
0.21 1.00
μs
R
L
= 820
, C
L
= 20 pF, Vcc = 12 V
t
f
Output Fall Time
-
0.10 1.00
μs
SYMBOL
PARAMETER
MIN
TYP MAX UNITS
TEST CONDITIONS
B
OP
Magnetic Operate
Point
OH_3019
OHN3119
OHS3119
175
100
45
300
-
-
500
545
575
Gauss
+25°C
-20°C to +85°C
-40°C to +125°C
B
RP
Magnetic Release
Point
OH_3019
OHN3119
OHS3119
125
50
25
235
-
-
450
495
555
Gauss
+25°C
-20°C to +85°C
-40°C to +125°C
B
H
Magnetic Hysteresis
OH_3019
OHN3119
OHS3119
50
50
20
65
-
-
-
-
-
Gauss
+25°C
-20°C to +85°C
-40°C to +125°C
Icc
Supply Current
-
4
7
mA
Vcc = 24 V, Output Off, B
≤
125 Gauss
V
OL
Output Saturation Voltage
-
100
400
mV
Vcc = 4.5 V, I
OL
= 20 mA, B
≥
500 Gauss
I
OH
Output Leakage Current
-
0.1
10.0
μA
Vcc = 24 V, V
OUT
= 24 V, B
≤
100 Gauss
t
r
Output Rise Time
-
0.21
1.00
μs
R
L
= 820
, C
L
= 20 pF, Vcc = 12 V
t
f
Output Fall Time
-
0.10
1.00
μs
OHN3019U, OHS3019U, OHN3119U, OHS3119U Uni-Polar
Electrical Characteristics
(Vcc = 4.5 V to 24 V, T
A
= 25° C unless otherwise noted)