Features
(1)Fast response time
(2)High sensitivity
(3)Cut-off visible wavelength, λP=940nm
(4)Thin
(5)Small package
Descriptions
The ITR9907 consists of an infrared emitting  Diode and a silicon phototransistor encased in  a black Thermo-plastic housing. The advantage  of the device is the small package. Phototransistor receives radiation from the IRED only,  and avoids the noise from ambient light and avoids the noise from ambient light
Applications
(1)Camera
(2)Copier
(3)Scanner
(4)Non-contact Switching
(5)For Direct PC Board