Subminiature Photointerrupter Model No: LBT-125 Features ˙Compact package based on the double-mold method. ˙High resolution (slit width = 1.2mm). ˙Gap between emitter and detector is 2.0mm. Applications ˙Floppy disk drives ˙Printers ˙Cameras Outline Dimensions (Unit: mm) --1-- Letex Technology Corp. Subminiature Photointerrupter Model No: LBT-125 Absolute Maximum Ratings (Ambient Temperature: 25℃) Item Symbol Rating Forward current IF 50 Reverse voltage VR 5 Input Peak forward current IFP 1 Power dissipation Collector current Collector-Emitter voltage Output Emitter-Collector voltage Collector power dissipation Storage Temperature Operating Temperature Soldering Temperature Pd Ic Vceo Veco Pc Tstg Top Tsol Units mA V A 75 50 30 5 100 -40 to +85 -25 to +85 260 Electrical Specifications (Ambient Temperature: 25℃) Item Symbol MIN. Forward voltage VF Reverse current IR Input Peak wavelength λp View angle 2θ1/2 Dark current Iceo Output C-E saturation voltage Vce(sat) Light current Ic(on) 0.5 Leakage current ILeak Rise Time tr Speed Fall Time tf --2-- TYP. 1.2 mW mA V V mW ℃ ℃ ℃ MAX. 1.4 10 940 35 100 0.4 1 5 5 Note Tw=10μs, t=10ms 5 seconds max. Units V µA nm Deg. nA V mA µA µs Conditions IF=20mA VR=5V IF=20mA Vce=20V Ic=2mA, IB=0.1mA Vce=5V IF=20mA Vce=5V Ic=1mA RL=1KΩ Letex Technology Corp. Subminiature Photointerrupter Reference Data Peak Forward Current vs. Duty Ratio Forward Current vs. Forward Voltage Fig.9 Response Time vs. Load Resistance Fig.6 Collector Current vs. Collector-Emitter Voltage Collector Dark Current vs. Ambient Temperature Collector dark current Iceo (A) Vce=20V Load resistance R L (KΩ) Fig.11 X Relative Collector Current vs. Shield Distance RElative Collector current Iceo (%) Ta=25℃ Collector current IC (mA) Collector current IC (mA) Forward current IF (mA) Fig.10 Vce=2V Ic=2mA Ta=25℃ Forward voltage VF (V) Vce=5V Ta=25℃ Ambient temperature Ta (℃) Response time (μs) Duty ratio Collector-Emitter Saturation Voltage vs. Ambient Temperature IF=40mA Ic=0.5mA Ambient temperature Ta (℃) Ta=25℃ Collector Current vs. Forward Current Fig.8 Collector current IC (mA) Fig.4 Forward current IF (mA) Peak forward current IFM (mA) Collector Current vs. Ambient Temperature Ambient temperature Ta (℃) Pulse width ≦100μs Ta=25℃ Fig.5 Fig.7 IF=20mA Vce=5V Ambient temperature Ta (℃) Fig.3 Collector Power Dissipation vs. Ambient Temperature Collector-Emitter saturation voltage Vce (sat) (V) Fig.2 Collector power dissipation Pc (mW) Forward Current vs. Ambient Temperature Forward current IF (mA) Fig.1 Ambient temperature Ta (℃) Test Circuit for Response Time Y IF=20mA Vce=5V Ta=25℃ Shield distance L (mm) Collector-Emitter voltage Vce (V) --3-- Letex Technology Corp.