Photo transistors KODENSHI ST-325 DIMENSIONS (Unit : mm) The ST–325 is a high–sensitivity NPN silicon phototransistor mounted in a red low profile side– viewing package. This phototransistor is both ultra– compact and easy to mount. FEATURES •Side–viewering plastic package •Ultra– Compact / Low–profile package APPLICATIONS •Photointerrupters •Tape–end sensors •Optical switches MAXIMUM RATINGS (Ta=25℃) Item Symbol Rating Unit C-E voltage E-C voltage Collector current Collector power dissipation Operating temp. Storage Temp. Soldering temp. *1 VCEO VECO IC PC Topr. Tstg. Tsol. 30 5 20 75 -25~+85 -30~+85 260 V V mA mW ℃ ℃ ℃ *1.For MAX.5 seconds at the position of 2 mm from the package ELECTRO-OPTICAL CHARACTERISTICS Item Collector dark current Light current C-E saturation voltage Rise time Switching speeds Fall time Spectral sensitivity Peak wavelength Half angle (Ta=25℃) Symbol Conditions ICEO IL VCE(sat) tr tf λ λp △θ VCEO=10V VCE=5V,EV =1000lx *2 IC=0.5mA,EV=2000lx *2 VCC=10V,IC=1mA, RL=100Ω *2. Color temp.=2856K standard Tungsten lamp - 1- Min. Typ. Max. Unit. 100 nA mA V μsec. μsec. nm nm deg. 0.4 0.2 3.2 4.8 500~1,050 880 ±60 0.4 Photo transistors ST-325 Collector current Vs. Collector - Emitter voltage Relative sensitivity Vs. Wavelength Collector current Vs. Illuminance Dark current Vs. Ambient temperature Swithing time vs. Load resistance Radiant Pattern Collector power dissipation Vs. Ambient temperature - 2-