This family of NPN silicon phototransistors, from OSRAM Opto Semiconductors, are a range of 3mm (T-1) through-hole devices. They have both clear or black plastic lenses, the diffused lenses being used for daylight filters. Suitable applications include; photointerrupters, industrial electronics and for control/drive circuits.

Standard 3mm (T-1) package
Through-hole mounting

IR Phototransistors, OSRAM Opto Semiconductors