Fiber Optic Isolator—Phototransistor Sensor
OPI1280 Series
Features:
•
•
•
•
•
•
Opaque plastic housings
High noise immunity
Visible Red LED with Phototranisitor Output
0.05” (1.27 mm) lead spacing
Data Transfer through plastic fiber optic cable
Isolation voltage 15 KV (OPI1280-032), Longer versions higher
Description:
Each
OPI1280
consists of a visible Red LED and a Phototransistor sensor, which are housed in separate opaque molded
plastic housings and coupled by plastic fiber optic cable. The heavy-duty opaque housing shields the optical signal from dust,
making this series of devices ideal for dust contaminated environments.
The OPI1280 series are designed for applications that require high voltage isolation between input and output or signal
communication over short distances. Depending on the length of the fiber optic cable, the emitter does not have to be optically
in-line with the sensor. The isolation voltage is greater than 10 K volts per inch (Isolation distance between components) for all
versions of the
OPI1280.
Custom electrical, wire and cabling and connectors are available. Contact your local representative or OPTEK for more
information.
Ordering Information
Applications:
•
Requiring High Voltage isolation between input
and output
•
Electrical isolation in dirty environments
•
Industrial equipment
•
Medical equipment
Part
Number
OPI1280-018
OPI1280-026
OPI1280-032
OPI1280-040
OPI1280-066
OPI1280-080
Isolation
Distance
0.71” [18 mm]
1.02” [26 mm]
1.26” [32 mm]
1.57” [40 mm]
2.60” [66 mm]
3.15” [80 mm]
Device
Length
1.26” [32.0 mm]
1.57” [40.0 mm]
1.80” [45.8 mm]
2.12” [53.8 mm]
3.15” [80.0 mm]
3.69” [93.8 mm]
LED Peak
Wavelength
Lead
Length
645 nm
0.45”
[11.4 mm]
1
3
2
4
Device
Length
-
[9.0]
-.355
Pin #
1
2
LED
Anode
Cathode
Pin #
3
4
Transistor
Emitter
Collector
RoHS
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
Issue A.2
08/07
Page 1 of 2
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
Fiber Optic Isolator—Phototransistor Sensor
OPI1280 Series
Absolute Maximum Ratings
(T
A
=25°C unless otherwise noted)
Storage Temperature Range
(note 4)
Operating Temperature Range
(note 4)
Lead Soldering Temperature [1/16 inch (1.6 mm) from case for 5 seconds with soldering iron]
Power Dissipation
(2)
-40
o
C to +80
o
C
-20° C to +75° C
260° C
(1)
100 mW
Electrical Characteristics
(T
A
= 25°C unless otherwise noted)
SYMBOL
PARAMETER
MIN
TYP
MAX
UNITS
TEST CONDITIONS
LED
(See OP240 for additional information)
V
F
I
R
On-State Collector Current
Collector-Dark Current
0.9
-
-
-
1.5
80
V
µA
I
F
= 20 mA
V
R
= 3.0 V
SENSOR—Phototransistor
(See OP240 for additional information)
I
CEO
V
(BR)CEO
V
(BR)ECO
COUPLED
I
C(ON)
I
ISO(3)
0.36
-
-
-
-
1.0
mA
µA
V
CE
= 5 V, I
F
= 10 mA
I @ 7 KV RMS, 25° C, Test Duration = 2 sec.
Collector Dark Current
Collector-Emitter Breakdown Voltage
Emitter-Collector Breakdown Voltage
-
33
5.5
-
-
-
50
-
-
nA
V
V
V
CE
= 10 V, E
E
= 0
I
C
= 100 µA, E
E
= 0
I
E
= 100 µA, E
E
= 0
Notes:
1. RMA flux is recommended. Duration can be extended to 10 seconds maximum when flow soldering. A maximum 20 grams force
may be applied to the leads when soldering.
2. Derate linearly 1.33 mW/° C above 25° C.
3. Isolation voltage testing is required.
4. Storage and Operating temperature values are based on the plastic optical interface temperature ratings. Please reference UL1577
and UL file AVLVZ.E89328
Output Current vs Forward Current vs Temperature
5.0
Normalized I
F
= 10mA, Vce = 5V, Ta = 20°C
4.5
4.0
Normalized Output Current
3.5
3.0
2.5
2.0
-40°C
-20°C
0°C
20°C
40°C
60°C
80°C
100°C
1.5
1.0
0.5
0.0
0
5
10
15
20
25
30
35
40
Forward Current ( mA)
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
Issue A.2
08/07
Page 2 of 2
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
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