Subminiature Photointerrupter Model No: LBT-124 Features ˙Compact package based on the double-mold method. ˙High resolution (slit width = 0.4mm). ˙Gap between emitter and detector is 2.0mm. Applications ˙Floppy disk drives ˙Printers ˙Cameras Outline Dimensions (Unit: mm) 4 3 1 2 1 Anode 2 Cathode 3 Emitter 4 Collector --1-- Letex Technology Corp. Subminiature Photointerrupter Model No: LBT-124 Absolute Maximum Ratings (Ambient Temperature: 25℃) Item Symbol Rating Units Forward current Reverse voltage Power dissipation Collector-emitter voltage Output Emitter-collector voltage Collector power dissipation Storage Temperature IF VR PD Vceo Veco PC Tstg 50 5 75 30 4.5 80 -40 to +100 mA V mW V mA mW ℃ Operating Temperature Top -25 to +85 ℃ Soldering Temperature Tsol 260 ℃ Input Note 10 seconds max. Electrical Specifications (Ambient Temperature: 25℃) Item Forward voltage Peak forward voltage Reverse current Collector dark current Output Collector-emitter breakdown voltage Emitter-collector breakdown voltage Collector current Combi Collector-emitter saturation voltage nation Response time Input Symbol VF VFM IR Iceo BVceo BVeco Ic Vce(sat) Min. Typ. Max. Units 1.2 3 1.4 4 10 0.5 V V µA µA V V mA V 30 4.5 0.5 0.4 Tr/tf 10 --2-- µs Conditions IF=20mA IFM=0.5A VR=5V Vce=10V Ice=50µA Iec=50µA Vce=5V, IF=20mA IF=20mA, Ic=0.3A IF=5mA, Vcc=5V, RL=100Ω Letex Technology Corp. Subminiature Photointerrupter Reference Data Forward current Vs. Ambient temperature Peak forward current Vs. Duty ratio 60 2000 40 30 20 10 Peak forward current ( mA ) 100 Power dissipation (mW) Forward current (mA) 50 80 60 40 20 Pulse width 100us Ta = 25℃ 1000 500 200 100 50 20 0 0 -30 0 25 50 75 100 125 10 -25 0 75 100 -3 125 5 10 -2 2 Ta = 25℃ 20 10 5 0 2 5 10 50mA 10 Collector current (mA) 25℃ 50 -1 12 0℃ 100 5 10 Collector current Vs. Collector-Emitter voltage 10 25℃ 50℃ Collector current (mA) 200 5 10 Collector current Vs. Forward current Vce = 5V Ta = 25℃ Ta = 75℃ 2 Duty ratio 12 500 Forward current (mA) 50 Ambient temperature (℃) Ambient temperature (℃) Forward current Vs. Forward voltage 25 8 6 4 2 40mA 8 30mA 6 20mA 4 IF=10mA 2 2 1 0 0.5 1.0 1.5 2.0 2.5 3.0 0 0 10 20 Forward voltage (V) 0 1 200 100 6 5 4 3 3 4 5 6 7 8 9 10 Collector dark current Vs. Ambient temperature 10-5 Vce = 2V Ic = 2mA Ta = 25℃ Vce = 20V 50 20 tf 10 5 tr td 2 1 2 2 Collector-Emitter voltage (V) 500 Response time ( μ s) Collector current (uA) 50 Response time Vs. Load resistance IF = 20mA Vce = 5V 7 40 Forward current (mA) Collector current Vs. Ambient temperature 8 30 Collector dark current (A) 0 ts 0.5 1 10-6 10-7 10-8 10-9 10-10 0.2 0 -25 0 25 50 75 0.1 0.03 0.05 0.1 0.2 0.5 1 100 10-11 2 5 100 0.30 IF = 20mA Vce = 5V Ta=25° IF = 40mA Ic=1mA Relative collector current ( %) 0.25 0.20 0.15 0.10 0.05 0 25 50 75 100 Ambient temperature (℃) Relative collector current Vs. Shield distance C-E Saturation voltage Vs. Ambient temperature C-E Saturation voltage (V) -25 Load resistance (k Ω ) Ambient temperature (℃) 0 -25 10 80 Test circuit for resopnse time Vcc Input Input RD RL Output Output 10% 60 90% 40 20 0 0 25 50 75 Ambient temperature (℃) 100 -2 -1 0 1 2 -2 -1 0 1 2 Shield distance (mm) --3-- Letex Technology Corp.