SG278

PhotoInterrupter(Transimissive) SG278 DIMENSIONS The SG278 photointerrupter high-performance standard type,combines high-output GaAs IRED with high sensitive phototransistor. (Unit : mm) FEATURES • PWB direct mount type • GAP : 3.0mm • Compact/High performance • With the installation positioning boss APPLICATIONS • • • • Printers Facsimiles Car stereo Card readers/writers (Ta=25°C) Symbol PD IF VR *1 MAXIMUM RATINGS Item Power dissipation Input Forward current Reverse voltage Pulse forward current Collector power dissipation Rating 75 50 5 1 75 20 30 5 -20 ~ +85 -30 ~ +85 Unit mW mA V A mW mA V V °C °C IFP PC IC VCEO VECO Topr. Tstg. Output Collector current Collector-Emitter voltage Emitter-Collector voltage *2 Operating temp. Storage temp. *2 *3 Tsol. 260 °C Soldering temp. *1. Pulse width : tw≤100us. period T=10ms *2. No icebound or dew *3. For MAX. 5 seconds at the position of 1mm from the resin edge. ELECTRO-OPTICAL CHARACTERISTICS Item Forward voltage Input Output Reverse current Peak wavelength Collector dark current Light current TransLeakage current mission C-E saturation voltage Rise time Fall time Symbol VF IR λp ICEO IC ICEOD VCE(sat) tr tf Conditions IF=20mA VR=5V IF=20mA VCE=10V,0 lx IF=20mA,VCE=5V (Non-Shading) IF=20mA,VCE=5V (Shading) IF=20mA,IC=0.1mA VCC=5V,IC=2mA,RL=100Ω Min. 0.7 Typ. 1.2 940 1 0.5 0.15 4 5 (Ta=25°C) Max. 1.4 10 100 14 10 0.4 Unit. V µA nm nA mA µA V µs µs -1- PhotoInterrupter(Transimissive) SG278 Collector power dissipation Vs. Ambient temperature Forward current Vs. Forward voltage Light current Vs. Forward current Collector power dissipation P C Forward current IF Ambient temperature Ta Forward voltage VF Light current I L Forward current IF Light current Vs. Collector-Emitter voltage Relative light current Vs. Ambient temperature Dark current Vs. Ambient temperature Relative light current I L Light current I LI L Light current Collector-Emtter voltage V CE Ambient temperature Ta Dark current ICEO Ambient temperature Ta Switching time Vs. Load resistance ※1 Relative light current Vs. Moving distance ※2 Collector-Emtter voltage V CE Relative light current I L Switching time tr,tf Moving distanve l -2-