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Product Bulletin OPB380 August 1996 January 2005
Slotted Optical Switches
Types OPB380, OPB390 Series
Features *0.125" (3.18 mm) wide gap *24" minimum, 26 AWG wire leads *Choice of aperture *Choice of opaque or IR transmissive
shell material
Absolute Maximum Ratings (TA = 25o C unless otherwise noted)
Storage and Operating Temperature Range . . . . . . . . . . . . . . . . . -40o C to +80o C(1)
Input Diode
Forward DC Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA Peak Forward Current (1 s pulse width, 300 pps) . . . . . . . . . . . . . . . . . . . . . . . 3.0 A Reverse DC Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0 V Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mW(1)
*Choice of mounting configuration *Choice of lead spacing Description
The OPB380/390 series of slotted switches provides the design engineer with the flexibility of a custom device from a standard product line. Building from a standard housing with a 0.125" (3.18 mm) wide slot, the user can specify (1) electrical output parameters, (2) mounting tab configuration, (3) discrete shell material, and (4) aperture width. All housings are an opaque grade of injection-molded plastic to minimize the assembly's sensitivity to ambient radiation, both visible and near-infrared. Discrete shells (exposed only on the parallel faces inside the device throat) are either IR transmissive plastic for applications where aperture contamination may occur or opaque plastic with aperture openings for maximum protection against ambient light.
Output Phototransistor
Collector-Emitter Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 V Emitter-Collector Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0 V Collector DC Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 mA Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mW(1) Notes:
(1) Derate linearly 1.82 mW/o C above 25o C (Maximum storage and operating temperature is limited by the temperature rating of the lead wires) (2) All parameters tested using pulse technique. (3) The OPB380/OPB390 wire terminations are 24" of 7 strand, 26 AWG,UL1061 insulated wire UL 1429 on each terminal. The devices incorporate a wire strain relief at the housing surface. The insulation colors and functions are: RED - IRED Anode BLACK - IRED Cathode WHITE - Phototransistor Collector GREEN - Phototransistor Emitter
Other wire lengths and/or colors are available. Contact your local representative or call the factory.
Replaces/Upgrades
OPB880/OPB890 Series
Optek Technology, Inc.
1215 W. Crosby Road
Carrollton, Texas 75006 12-12
(972) 323-2200
Fax (972) 323-2396
Types OPB380, OPB390 Series
Electrical Characteristics (TA = 25o C unless otherwise noted) SYMBOL Input Diode
VF IR V(BR)CEO V(BR)ECO ICEO
PARAMETER
MIN MAX UNITS
1.7 100 30 5.0 100 V A V V nA IF = 20 mA VR = 2 V IC = 1 mA IE = 100 A
TEST CONDITIONS
Forward Voltage Reverse Current Collector-Emitter Breakdown Voltage Emitter-Collector Breakdown Voltage Collector-Emitter Dark Curreent On-State Collector Current OPB380T, N, L, P55 OPB390T, N, L, P55
Output Phototransistor
VCE = 10 V, IF = 0, Ee = 0
Coupled
3.5 14.0 mA VCE = 0.4 V, IF = 20 mA
IC(ON)
OPB380T, N, L, P51 OPB390T, N, L, P51 OPB380T, N, L, P11 OPB390T, N, L, P11
2.5 1.0
10.0 5.0
mA mA
VCE = 0.4 V, IF = 20 mA VCE = 0.4 V, IF = 20 mA
PART NUMBER GUIDE
OPB 3 X X X X X
Optek Assembly
Aperture Width In Front of Sensor 5 = 0.050" 1 = 0.010" Aperture Width In Front of Emitter 5 = 0.050" 1= 0.010" Mounting Configurations T -Both Mounting Tabs N - No Mounting Tabs L - Single Mounting Tab Emitter Side P - Single Mounting Tab Phototransistor Side
Phototransistor Output Family
Discrete Shell Material Designation 8 - Base Mount IR Transmissive Plastic Discrete Shell With Wire Termination 9 - Base Mount Opaque Plastic Discrete Shell With Wire Termination
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. 1215 W. Crosby Road Carrollton, Texas 75006 (972) 323-2200 Fax (972) 323-2396 12-13
Types OPB380, OPB390 Series
Package N Package T
GRAY/CLEAR TOP DENOTES LED
GRAY/CLEAR TOP
Package L
Package P
GRAY/CLEAR TOP DENOTES LED
GRAY/CLEAR TOP DENOTES LED
Notes: (1) Aperture dimensions dependent on part number. See Part Number Guide.
Optek Technology, Inc.
1215 W. Crosby Road
Carrollton, Texas 75006 12-14
(972) 323-2200
Fax (972) 323-2396
Types OPB380, OPB390 Series
Typical Performance Curves
Normalized Output Current vs Forward Current VCE = 0.4 V Normalized to IF = 20 mA
Normalized Output Current vs Ambient Temperature
+2 Typ -2
+2 Typ
+2 Typ -2
+2 Typ -2
-2 VCE = 0.4 V IF = 20 mA Normalized to TA = 25o C
IF - Forward Current - mA
TA - Ambient Temperature - o C
Rise and Fall Time vs Load Resistance IF = 20 mA (50% Duty Cycle) VCE = 0.4 V
Rise Time Fall Time
RL - Load Resistance -
All Part Numbers Ending in "1" Normalized Output Current vs Forward Current +2 Typ -2 Rise and Fall Time vs Load Resistance IF = 20 mA (50% Duty Cycle) VCE = 0.4 V
Rise Time Fall Time
+2 Typ -2
VCE = 0.4 V Normalized to IF = 20 mA
IF - Forward Current - mA
RL - Load Resistance -
Optek reserves the right to make changes at any time in order to improve the design and to supply the best product possible. Optek Technology, Inc. 1215 W. Crosby Road Carrollton, Texas 75006 (972) 323-2200 Fax (972) 323-2396 12-15

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