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Optek
OPB847
Photointerrupter Transmissive 2.03 mm Phototransistor 4-Pin Slotted Optical Switch
Distributor Stock 1 10 100 1,000
Onlinecomponents.com 239 USD 2.41 Visit Site
Arrow Electronics 400 USD 2.28 Visit Site
Verical 400 USD 2.28 Visit Site
Mouser 1,066 USD 2.75 2.75 2.57 2.29 Visit Site
DigiKey 1,044 USD 2.85 2.85 2.66 2.37 Visit Site