FEATURES
• Package type: surface-mount
• Detector type: phototransistor
• Dimensions (L x W x H in mm): 5.5 x 4 x 5.7
• Gap (in mm): 3
• Aperture (in mm): 0.3
• Typical output current under test: IC = 1.5 mA
• Emitter wavelength: 950 nm
• Moisture sensitivity level (MSL): 1
• Material categorization: for definitions of
compliance please see
www.vishay.com/doc?99912
APPLICATIONS
• Accurate position sensor for encoder
• Detection of motion speed
DESCRIPTION
The VT171P is a compact transmissive sensor that includes
an infrared emitter and a phototransistor detector, located
face-to-face in a surface mount package. VT171P is
especially designed to meet high operating temperature
requirements and is released for operating temperature
ranges from -25 °C to +85 °C.