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Hi Mukesh.k.s but i am looking for an active one which i think is a bit cheaper because we do not need a lens/cover.
The application of this also can be indoors or outdoors which makes the active IR sensors a better option to filter out infrared of foreign objects like the sun by modulating the emitter. Please correct me if I am wrong.
And i need to know common partnumbers of thses sensors. I tried using TCRT5000 but very limited distance range (30mm max). Do you have some alternatives?
Forward curent and beam angle plays a role, more inportant is the receiver topology. For distances above a few mm and ambient light immunity, you'll generaly go to modulated (pulsed) light.
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