ST-325

The ST-325 is designed as one kind of high sensitivity NPN silicon phototransistor that mounted in a low-cost ceramic package, designed for use as low-cost detector array in consumer and industrial applications. Features of the ST-23G are:(1)side viewering plastic package;(2)ultra - compact / low - profile package. And this device can be used in photointerrupters, tape - end sensors and optical switches applications.

The absolute maximum ratings of the ST-325 can be summarized as:(1)C-E voltage: 30 V;(2)E-C voltage: 5 V;(3)collector current: 20 mA;(4)collector power dissipation: 75 mW;(5)storage temperature: -25 to +85 ;(6)storage temperature: -30 to +85 ;(7)soldering temperature: 260 .

And the electrical characteristics of this device can be concluded into several points:(1)collector dark current: 100 nA;(2)light current: 0.4 mA;(3)C-E saturation voltage: 0.2 to 0.4 V;(4)switching speeds rise time: 3.2 usec;(5)switching speeds fall time: 4.8 usec;(6)spectral sensitivity: 500 to 1050 nm;(7)peak wavelength: 880 nm;(8)half angle: +/- 60 deg. If you want to know more information about the ST-325, please download the datasheet in www.seekic.com or www.chinaicmart.com .