Photo transistorsKODENSHI KOREA CORPST-1CL3HThe ST-1CL3H is a high sensitivity NPN silicon phototransistor mounted in a 3Φ Low-cost ceramic package, designed for use as low-cost detector array in consumer and industrial applications.Dimensions [Unit : mm]Features• Compact (Φ3mm)• Wide angular response• Low-costApplications• Optical counters• Optical detectors• Floppy disk drives• EncodersAbsolute Maximum Ratings [T? = 25℃]Parameter Symbol Rating UnitC-E Voltage V?CEO? 20 VE-C Voltage V?ECO? 5 VCollector current I?C? 20 mACollector power dissipation P?C? 75 mWOperating temp Topr. -20→+90 ℃Storage temp Tstg. -30→+100 ℃Soldering temp *1 Tsol. 280 ℃*1. For MAX.5 seconds at the position of 2mm from the packageElectro-Optical Characteristics [T? = 25℃]Parameter Symbol Conditions Min. Typ. Max. UnitCollector dark current I?CEO? V?CEO?=10V - 1 200 nALight current I?L? V?CE?=3V, 1,000lx2 0.08 1.5 - mAC-E saturation voltage V?CE(sat)? I?C?=0.2mA, 2,000lx2 - 0.15 0.4 VSwitching speeds Rise time tr V?CC?=10V, I?C?=1mA, R?L?=100Ω - 2.5 - μsecFall time tf - 3.8 - μsecSpectral sensitivity λ 480~1,000 nmPeak wavelength λp - 880 - nmHalf angle Δθ - ±50 - degrees*2. Color temp. = 2856K standard tungsten lamp- 1 -