OHB900 Optek, OHB900 Datasheet - Page 2

• Manufacturer Part Number: OHB900
• Description: Industrial Hall Effect / Magnetic Sensors HALL EFFECT SENSOR
• Manufacturer: Optek

Specifications of OHB900

• Operational Type: Unipolar
• Operating Supply Voltage: 25 V
• Current Rating: 7 mA
• Output Fall Time: 1 uS
• Mounting Style: Screw
• Maximum Operating Temperature: + 150 C
• Minimum Operating Temperature: - 40 C
• Maximum Output Current: 25 mA
• Package / Case: 3 PCB Pins
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Hallogic Hall-effect Sensor Assembly
OHB900
Absolute Maximum Ratings
Electrical Characteristics
Issue A.2
Page 2 of 3
SYMBOL
Notes:
(1) Slot blocked with a ferrous material to interrupt magnetic flux.
(2) See Hall-effect data sheet OH090 through OHS3100 Series for additional information — for reference only.
V
I
I
Supply Voltage, V
Storage Temperature Range, T
Operating Temperature Range, T
Lead Soldering Temperature (1/8 in. (3.2 mm) from case for 5 sec. with soldering iron)
Output ON Current, I
Output OFF Voltage, V
Magnetic Flux Density, B
OH
CC
t
t
OL
r
f
08/07
Supply Current
Output Saturation Voltage
Output Leakage Current
Output Rise Time
Output Fall Time
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
V
V
OH
OL
90%
10%
CC
Ground
PARAMETER
Vcc
SINK
B
OUT
OP
1
2
Tf
(V
U.U.T.
S
820 Ohm
CC
B
(TA = 25° C unless otherwise noted)
RP
Phone: [phone] or [phone]
A
= 4.5 V to 24 V, T
Magnetic Field
Tr
20 pf
Output
3
90%
10%
MIN
-
-
-
-
-
A
= 25° C unless otherwise noted)
TYP
0.21
100
0.1
0.1
4
Vane - Material = 1018 Cold Rolled Steel - 0.03" [0.76mm] Thick
Minimum
Maximum
MAX UNITS
400
OPTEK Technology Inc. — 1645 Wallace Drive, Carrollton, Texas 75006
10
Measurements are referenced to Center Line.
Location = 0.50" [1.27mm] from Bottom of Slot
7
1
1
FAX: [phone] [e-mail] www.optekinc.com
[1,85mm]
[0,08mm]
Operate
0.073"
0.003"
Right
Point
mA
mV
µA
µs
µs
M
ROP
LOP
[1,14mm]
[-1,27mm]
Release
0.045"
-0.005"
V
V
V = 4.5 V, V
R
R
Right
Point
CC
CC
L
L
= 820 Ω, C
= 820 Ω, C
= 24 V, Output Off
= 4.5 V, I
S
[-1,14mm]
[1.27mm]
RRP
LRP
Release
-0.045"
0.005"
Left
Point
TEST CONDITIONS
(2)
OUT
OL
L
L
[-1,85mm]
[-0,08mm]
Operate
-0.073"
-0.003"
= 20 pF
= 20 pF
Left
Point
= 24 V, Slot Blocked
= 20 mA, Slot Open
Center Line
-50°C to +160° C
-40°C to +150° C
Unlimited
260° C
25 mA
25 V
25 V
(1)