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Frequently Asked Questions:

Application Information:

I do not understand the IR LED power ratings? The following Hyperlink is to an applications note that covers this topic. bulletin207

Can I use Cyanoacrylates (Crazy Glue, Super Glue, etc.) on your switches? No, only use epoxy adhesives on our products.

How much torque should I use to fasten down a switch? 3 to 4 lb-in.

What kind of plastics are Optek's switch housings made of? The materials most commonly used are polycarbonate and polysulfone.

How do I select a Slotted Optical Switch? Design considerations of speed, resolution, length of optical path, environment, performance, and cost impinge upon the proper selection of interruptive assemblies. Optek offers a wide selection of assemblies to meet design requirements. Optek offers slotted optical switches with the following options.

• Phototransistor (OPB380 series) or Photologic ( OPB480 series ) output
• Gallium arsenide or gallium aluminum arsenide IREDs
• Dual channel encoder devices (OPB822) in side-by-side or over under configurations for speed, direction or movement, and relative position sensing
• Various slot widths and depths
• Different aperture widths in front of the sensor and emitter
• Different mounting configurations

How do I get technical assistance? Email your questions to techsupport@optekinc.com or call us at 972.323.2308