Photointerrupters(Reflective) KODENSHI SG-2BC DIMENSIONS (Unit : mm) The SG-2BC reflective sensor combines a GaAs IRED with a high-sensitivity phototransistor in a super-mini (4φ) ceramic package,reducing installation space. FEATURES •Compact (ø4mm) •High performance •High-speed response •Easy to mount on P.C.B. •Widely applicable APPLICATIONS •Timing sensors •Edge sensors •Micro floppy disk drives •Level sensors of liquid MAXIMUM RATINGS Item Power dissipation Reverse voltage Input Forward current Pulse forward current *1 Collector power dissipation Collector current Output C-E voltage E-C voltage Operating temp. Storage temp. Soldering temp. (Ta=25℃) Symbol Rating Unit PD VR IF IFP PC IC VCEO VECO Topr. Tstg. Tsol. 75 5 50 1 75 20 30 3 －20～＋90 －30～＋100 260 mW V mA A mW mA V V ℃ ℃ ℃ *1.ｔｗ≦100 μ sec.period ：T=10msec. *2. For MAX. 5 seconds at the position of 2mm from the package ELECTRO-OPTICAL CHARACTERISTICS Item Input Output Switching speeds Forward voltage Reverse current Capacitance Peak wavelength Collector dark current Ligh current Leakage current Rise time Fall time (Ta=25℃) Symbol Conditions VF IR Ct λp ICEO IL ICEOD tr tf IF =4mA VR=5V V=0V,f=1KHz Min. Typ. Unit. 1.2 10 V μA pF nm μA μA μA μsec. μsec. 25 940 V =10V VCE=2V,IF=4mA C E V =2V,IF =4mA 100 VCC=2V,IC=100μA,RL=1kΩ 30 30 0.1 CE - 1- Max. 0.1 Photo interrupters(Reflective) SG-2BC Collector power dissipation Vs. Ambient temperature Light current Vs. Collector-Emitter voltage Switching time Vs. Load resistance Forward current Vs. Forward voltage Light current Vs. Forward current Relative light current Vs. Ambient temperature Dark current Vs. Ambient temperature Relative light current Vs. Moving distance - 2-