Electronicdesign 2135 Xl 01 Optek 3
Electronicdesign 2135 Xl 01 Optek 3
Electronicdesign 2135 Xl 01 Optek 3
Electronicdesign 2135 Xl 01 Optek 3
Electronicdesign 2135 Xl 01 Optek 3

Reflective Sensor Eyes Space-Constrained Apps

Feb. 2, 2010
OPB733TR reflective object sensor measures 0.3" x 0.16" with a PCB-mounted profile of 0.114".
Promising an enhanced sensing range in space-constrained applications, the OPB733TR reflective object sensor measures 0.3" x 0.16" with a PCB-mounted profile of 0.114". The component incorporates a lensed IR LED and phototransistor elements to collimate the light beam at a detection range from 10 mm to 25.4 mm. The IR LED with a typical peak emission wavelength of 890 nm is mounted alongside a NPN silicon phototransistor. The phototransistor output on-state collector current is 0.1 mA at a distance of 12.7 mm from the target and a 20 mA forward current and a Vce of 5V. Rise and fall time for the phototransistor signal is typically 15 ms. Pricing for the OPB733TR reflective object sensor is $1.32 each/1,000. OPTEK TECHNOLOGY INC., Carrollton, TX. (972) 323-2200.

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