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| Product Bulletin OP750 June 1999 NPN Phototransistor with Base-Emitter Resistor Types OP750A, OP750B, OP750C, OP750D Features *Wide receiving angle *Variety of sensitivity ranges *Side-looking package for space *Base-emitter resistor provides ambient light protection limited applications Absolute Maximum Ratings (TA = 25o C unless otherwise noted) Collector-Emitter Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 V Emitter Reverse Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 mA Collector DC Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 mA Storage and Operating Temperature Range . . . . . . . . . . . . . . . . . . -40o C to +100o C Lead Soldering Temperature [1/16 inch (1.6 mm) from case for 5 sec. with soldering iron] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260o C(1) Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 mW(2) Notes: (1) RMA flux is recommended. Duration can be extended to 10 sec. max. when flow soldering. Max. 20 grams force may be applied to leads when soldering. (2) Derate linearly 1.33 mW/o C above 25 o C. (3) Light source is an unfiltered GaAs LED with a peak emission wavelength of 935 nm and a radiometric intensity level which varies less than 10% over the entire lens surface of the phototransistor being tested. (4) The knee point irradiance is defined as the irradiance required to increase IC(ON) to 50 A. Description The OP750 series devices consist of an NPN silicon phototransistor molded in a clear epoxy package. The wide receiving angle provides relatively even reception over a large area. The sidelooking package is designed for easy PC board mounting of slotted optical switches or optical interrupt detectors. This series is mechanically and spectrally matched to the OP140 and OP240 series of infrared emitting diodes. The phototransistor has an internal base-emitter resistor which provides protection from low level ambient lighting conditions. This feature is also useful when the media being detected is semi-transparent to infrared light in interruptive applications. Typical Performance Curves Typical Spectral Response Schematic Wavelength - nm Optek Technology, Inc. 1215 W. Crosby Road Carrollton, Texas 75006 7 (972) 323-2200 Fax (972) 323-2396 Types OP750A, OP750B, OP750C, OP750D Electrical Characteristics (TA = 25o C unless otherwise noted) SYMBOL PARAMETER On-State Collector Current IC(ON) OP750A OP750B OP750C OP750D Knee Point Irradiance Collector-Emitter Dark Current Emitter-Reverse Current Collector-Emitter Breakdown Voltage Collector-Emitter Saturation Voltage 30 0.4 2.25 1.50 0.85 0.85 .03 100 100 7.00 4.20 2.80 7.00 mA MIN TYP MAX UNITS TEST CONDITIONS VCE = 5 V, Ee = 1 mW/cm2(3) EKP ICEO IECO V(BR)CEO VCE(SAT) mW/cm2 VCE = 5 V(4) nA A V V VCE = 10 V, Ee = 0 VEC = 0.4 V IC = 100 A IC = 100 A, Ee = 1 mW/cm2(3) Typical Performance Curves Normalized Collector Current vs. Angular Displacement Normalized Light and Dark Current vs. Ambient Temperature 100 10 1 Light Current .1 .01 Dark Current .001 .0001 .00001 .001 On-State Collector Current vs. Irradiance OP550 OP750 VCE = 5 V LED: l= 935 nm .01 .1 1 10 q - Angluar Displacement - Deg. TA - Ambient Temperature - C Ee - Irradiance - mW/cm 2 Normalized Output vs. Frequency 1.0 VR = 1 V VCE = 5 V 50% Duty Cycle LED: l= 935 nm Typical Rise and Fall Time vs. Load Resistance 120 105 90 75 VCC = 5 V VRL = 1 V f = 100 Hz PW = 1mS Switching Time Test Circuit 0.5 RL = 1KW 60 45 30 RL = 10KW 15 0 1 10 100 1000 0 2 LED = GaAIAs, l= 890 nm VRL is voltage across RL 4 6 8 10 Test Conditions: Light source is pulsed LED with tr and tf 500 ns. I F is adjusted for VOUT = 1 Volt. 0.0 Frequency - KHz RL - Load Resistance - KW 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 8 |
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