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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Infrared Emitters Infrared 890nm OP291A Optek / TT Electronics 1: $1.03 668In Stock	Mfr. Part No. OP291A Mouser Part No 828-OP291A	Optek / TT Electronics	Infrared Emitters Infrared 890nm	Datasheet	668In Stock	$1.03 $0.97 $0.922 $0.88	Min.: 1 Mult.: 1
Infrared Emitters IR EMITTING DIODE OP293A Optek / TT Electronics 1: $0.761 195In Stock 1,500Expected 2027/02/24	Mfr. Part No. OP293A Mouser Part No 828-OP293A	Optek / TT Electronics	Infrared Emitters IR EMITTING DIODE	Datasheet	195In Stock 1,500Expected 2027/02/24	$0.761 $0.73 $0.729 Quote Quote	Min.: 1 Mult.: 1
Infrared Emitters Infrared 890nm OP295A Optek / TT Electronics 1: $0.84 33In Stock 3,000Expected 2027/01/25	Mfr. Part No. OP295A Mouser Part No 828-OP295A	Optek / TT Electronics	Infrared Emitters Infrared 890nm	Datasheet	33In Stock 3,000Expected 2027/01/25	$0.84 $0.80 $0.798 Quote Quote	Min.: 1 Mult.: 1
Infrared Emitters Infrared 875nm OP298AA Optek / TT Electronics 1: $1.01 379In Stock	Mfr. Part No. OP298AA Mouser Part No 828-OP298AA	Optek / TT Electronics	Infrared Emitters Infrared 875nm	Datasheet	379In Stock	$1.01 $0.95 $0.908 $0.868	Min.: 1 Mult.: 1
Infrared Emitters PHOTOSENSOR OP298B Optek / TT Electronics 1: $0.78 658In Stock	Mfr. Part No. OP298B Mouser Part No 828-OP298B	Optek / TT Electronics	Infrared Emitters PHOTOSENSOR	Datasheet	658In Stock	$0.78 $0.743 Quote Quote	Min.: 1 Mult.: 1
Infrared Emitters Infrared 890nm OP298C Optek / TT Electronics 1: $0.78 264In Stock	Mfr. Part No. OP298C Mouser Part No 828-OP298C	Optek / TT Electronics	Infrared Emitters Infrared 890nm	Datasheet	264In Stock	$0.78 $0.743 Quote Quote	Min.: 1 Mult.: 1
Phototransistors PHOTOSENSOR OP505A Optek / TT Electronics 1: $0.72 1,358In Stock 2,000Expected 2026/11/11	Mfr. Part No. OP505A Mouser Part No 828-OP505A	Optek / TT Electronics	Phototransistors PHOTOSENSOR	Datasheet	1,358In Stock 2,000Expected 2026/11/11	$0.72 $0.675 Quote Quote	Min.: 1 Mult.: 1
Phototransistors PHOTOSENSOR OP506B Optek / TT Electronics 1: $0.911 786In Stock 1,000Expected 2026/11/11	Mfr. Part No. OP506B Mouser Part No 828-OP506B	Optek / TT Electronics	Phototransistors PHOTOSENSOR	Datasheet	786In Stock 1,000Expected 2026/11/11	$0.911 $0.85 $0.826 Quote Quote	Min.: 1 Mult.: 1
Phototransistors Photo Transistor OP555A Optek / TT Electronics 1: $1.10 272In Stock	Mfr. Part No. OP555A Mouser Part No 828-OP555A	Optek / TT Electronics	Phototransistors Photo Transistor	Datasheet	272In Stock	$1.10 $1.04 $0.982	Min.: 1 Mult.: 1
Phototransistors Photodarlington OP560C Optek / TT Electronics 1: $1.34 357In Stock	Mfr. Part No. OP560C Mouser Part No 828-OP560C	Optek / TT Electronics	Phototransistors Photodarlington	Datasheet	357In Stock	$1.34 $1.26 $1.23 $1.17	Min.: 1 Mult.: 1
Phototransistors PHOTOTRANSISTOR TO-18 OP593A Optek / TT Electronics 1: $0.72 1,359In Stock	Mfr. Part No. OP593A Mouser Part No 828-OP593A	Optek / TT Electronics	Phototransistors PHOTOTRANSISTOR TO-18	Datasheet	1,359In Stock	$0.72 $0.69 $0.67 $0.655	Min.: 1 Mult.: 1
Phototransistors Photo Transistor OP593B Optek / TT Electronics 1: $0.711 1,556In Stock 2,000On Order	Mfr. Part No. OP593B Mouser Part No 828-OP593B	Optek / TT Electronics	Phototransistors Photo Transistor	Datasheet	1,556In Stock 2,000On Order	$0.711 $0.688 Quote Quote	Min.: 1 Mult.: 1
Phototransistors PHOTOSENSOR OP598B Optek / TT Electronics 1: $0.74 1,576In Stock	Mfr. Part No. OP598B Mouser Part No 828-OP598B	Optek / TT Electronics	Phototransistors PHOTOSENSOR	Datasheet	1,576In Stock	$0.74 $0.70 $0.688 Quote Quote	Min.: 1 Mult.: 1
Phototransistors PHOTOSENSOR OP599A Optek / TT Electronics 1: $0.75 1,564In Stock	Mfr. Part No. OP599A Mouser Part No 828-OP599A	Optek / TT Electronics	Phototransistors PHOTOSENSOR	Datasheet	1,564In Stock	$0.75 $0.711 $0.69 $0.688 Quote Quote	Min.: 1 Mult.: 1
Phototransistors PHOTO TRANSISTOR PILL PACK OP600B Optek / TT Electronics 1: $2.90 125In Stock	Mfr. Part No. OP600B Mouser Part No 828-OP600B	Optek / TT Electronics	Phototransistors PHOTO TRANSISTOR PILL PACK	Datasheet	125In Stock	$2.90 $2.67 $2.59 $2.51	Min.: 1 Mult.: 1
Phototransistors NPN PHOTOTRANSISTOR OP644SL Optek / TT Electronics 1: $2.48 2In Stock 1,200Expected 2026/11/13	Mfr. Part No. OP644SL Mouser Part No 828-OP644SL	Optek / TT Electronics	Phototransistors NPN PHOTOTRANSISTOR	Datasheet	2In Stock 1,200Expected 2026/11/13	$2.48 $2.29 $2.27	Min.: 1 Mult.: 1
Phototransistors Photo Transistor OP800B Optek / TT Electronics 1: $3.12 340In Stock	Mfr. Part No. OP800B Mouser Part No 828-OP800B	Optek / TT Electronics	Phototransistors Photo Transistor	Datasheet	340In Stock	$3.12 $2.91	Min.: 1 Mult.: 1
Phototransistors Photo Transistor OP801WSL Optek / TT Electronics 1: $2.84 238In Stock	Mfr. Part No. OP801WSL Mouser Part No 828-OP801WSL	Optek / TT Electronics	Phototransistors Photo Transistor	Datasheet	238In Stock	$2.84 $2.66	Min.: 1 Mult.: 1
Level Sensors Fluid in-line sensor .188" Tube OPB350L187 Optek / TT Electronics 1: $5.84 130In Stock	Mfr. Part No. OPB350L187 Mouser Part No 828-OPB350L187	Optek / TT Electronics	Level Sensors Fluid in-line sensor .188" Tube	Datasheet	130In Stock	$5.84 $5.54	Min.: 1 Mult.: 1
Level Sensors Fluid in-line sensor .250" Tube OPB350L250 Optek / TT Electronics 1: $5.84 36In Stock 1,500Expected 2027/02/02	Mfr. Part No. OPB350L250 Mouser Part No 828-OPB350L250	Optek / TT Electronics	Level Sensors Fluid in-line sensor .250" Tube	Datasheet	36In Stock 1,500Expected 2027/02/02	$5.84 $5.54	Min.: 1 Mult.: 1
Level Sensors Fluid in-line sensor 0.062" Tube OPB350W062Z Optek / TT Electronics 1: $7.90 141In Stock	Mfr. Part No. OPB350W062Z Mouser Part No 828-OPB350W062Z	Optek / TT Electronics	Level Sensors Fluid in-line sensor 0.062" Tube	Datasheet	141In Stock	$7.90 $7.57	Min.: 1 Mult.: 1
Optical Switches, Specialised Slotted Opt Switch OPB355T Optek / TT Electronics 1: $4.13 95In Stock	Mfr. Part No. OPB355T Mouser Part No 828-OPB355T	Optek / TT Electronics	Optical Switches, Specialised Slotted Opt Switch	Datasheet	95In Stock	$4.13 $3.94	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB360N51 Optek / TT Electronics 1: $2.49 65In Stock	Mfr. Part No. OPB360N51 Mouser Part No 828-OPB360N51	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	65In Stock	$2.49 $2.36	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB360T55 Optek / TT Electronics 1: $2.49 396In Stock	Mfr. Part No. OPB360T55 Mouser Part No 828-OPB360T55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	396In Stock	$2.49 $2.38	Min.: 1 Mult.: 1
Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch OPB365T55 Optek / TT Electronics 1: $3.13 233In Stock	Mfr. Part No. OPB365T55 Mouser Part No 828-OPB365T55	Optek / TT Electronics	Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch	Datasheet	233In Stock	$3.13 $3.06	Min.: 1 Mult.: 1

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