Foto-Darlington for applications such as light sensor. In normal applications only the collector and emitter terminals are used, however, there are possibilities to use the base terminal to change the gain.
Features
VCEO (max) = 25 V.
VCBO (max) = 25 V
VEBO (max) = 8 V
IL (Max.) = 250 mA (current under illumination)
PT (Max.) = 200 mW:
hFE (VCE = 5 V and Ic = 0.5 mA) (tip): 2 500
Maximum spectral sensitivity: 8,500 Â
Spectral operating range: 5,000 to 11,000 Angstrom