OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
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 E 11/2011
Page 3 of 8
Tube Liquid Sensor
OPB350 / OCB350 Series
(Calibration Circuit Available)
Absolute Maximum Ratings (T
A
=25癈 unless otherwise noted)
Storage Temperature
-40?C to +100?C
Operating Temperature
-40?C to +85?C
Lead Soldering Temperature [1/16 inch (1.6 mm) from the case for 5 sec. with soldering iron]
(2)
260?C
LED
Forward DC Current
50 mA
Peak Forward Current (2 約 pulse width, 0.1% duty cycle)
1 A
Reverse DC Voltage
2 V
Power Dissipation
100 mW
Output Phototransistor
Collector-Emitter Voltage
24 or 30 V
Collector DC Current
50 mA
Power Dissipation
100 mW
Electrical Characteristics (T
A
= 25癈 unless otherwise noted)
SYMBOL
PARAMETER
MIN    TYP    MAX   UNITS
TEST CONDITIONS
Input LED (See OPB245 for additional information for reference only)
V
F
Forward Voltage
-
-
1.7
V
I
F
= 20 mA
I
R
Reverse Current
-
-
100
礎(chǔ)     V
R
= 2.0 V
Output Phototransistor (See OP555 [OPB350] & OP750 [-062, -125, -187 & -250] for additional information for Ref. Only)
V
(BR)CEO
Collector-Emitter OPB350
Breakdown Voltage -062, -187 & -250
30
24
-
-
-
-
V
I
C
= 100 糀, E
E
= 0 mw/cm
2
I
CEO
Collector-Emitter Dark Current
-
-
100
nA     V
CE
= 10 V, I
F
= 0, E
E
= 0 mw/cm
2
Coupled
V
CE(SAT)
   Collector-Emitter Saturation Voltage
-
-
0.4
V
I
C
= 100 糀, I
F
= 5 mA
I
C(ON)
On-State Collector Current
OPB350L062 & OPB350W062Z
OPB350
OPB350L125 & OPB350W125Z
OPB350L187 & OPB350W187Z
OPB350L250 & OPB350W250Z
0.30
1.00
1.30
1.00
0.75
0.8
3.5
2.6
2.0
1.5
1.3
6.0
3.9
4.0
3.0
mA     V
CE
= 0.4 V, I
F
= 5 mA
On/Off
Ratio
OPB350L062 & OPB350W062Z
OPB350
OPB350L125 & OPB350W125
OPB350L187 & OPB350W187
OPB350L250 & OPB350W250
-
-
-
-
-
3.0
3.0
2.5
2.3
2.3
-
-
-
-
-
-
V
CE
= 0.4 V, I
F
= 5 mA , I.D.=0.0312
(6)
V
CE
= 0.4 V, I
F
= 5 mA , I.D.=0.0625
(6)
V
CE
= 0.4 V, I
F
= 5 mA , I.D.=0.0870
(6)
V
CE
= 0.4 V, I
F
= 5 mA , I.D.=0.1250
(6)