ST313R4

The ST313R4 is designed as one kind of high-sensitivity silicon phototransistor that is compact and the best for the mouse. Features of the ST313R4 are:(1)visible ray cut off mold type and (2)built-in 2-ch phototransistors. So it can be used in optical mouses and encoders applications.

The absolute maximum ratings of the ST313R4 can be summarized as:(1)C-E voltage: 30 V;(2)E-C voltage: 4 V;(3)collector current: 10 mA;(4)collector power dissipation: 100 mW;(5)operating temperature: -20 to +85 ;(6)storage temperature: -30 to +85 ;(7)soldering temperature: 240 .

The electrical characteristics of this device ST313R4 can be summarized as:(1)collector dark current: 200 nA;(2)light current: 0.1 to 3.6 mA;(3)C-E saturation voltage: - V;(4)switching speeds rise time: 7 us;(5)switching speeds fall time: 7 us;(6)spectral sensitivity: 880 nm to 1050 nm;(7)peak wavelength: 940 nm;(8)half angle: +/- 60. If you want to know more information about it, please download the datasheet in www.seekic.com or www.chinaicmart.com .