Infrared Emitters and Detectors - SEN-00241 - SparkFun Electronics
5 Matched Pairs Side Looking 935nm IR LED & Phototransistor OP140 & OP550 OPTEK | eBay
5mm IR Infrared LED Pair Receiver Transmitter Photo Diode RX and Photo Transistor TX | Nyereka Tech || STEM and IoT, Raspberry Pi and Sensors Store
Optocoupler LED-phototransistor pair simulation by CCCS - CircuitLab
Amazon.com: Phototransistors LED/Sensor Matched Pair (100 pieces) : Industrial y Científico
Breakout Board for Vishay IR LED and PhotoTransistor - IRI
Infrared Phototransistor (5-Pack) - ProtoSupplies
The Basics of Photodiodes and Phototransistors | DigiKey
Infrared Phototransistor (5-Pack) - ProtoSupplies
5 Matched Pairs Side Looking 935nm IR LED & Phototransistor OP140 & OP550 OPTEK | eBay
OPS666 - Tt Electronics / Optek Technology - Optical Switch, LED and Photosensor Pair, Phototransistor
20 pairs, 0603 SMD, 940nm IR LED Pair, Emitting Diode SIR1921C and Phototransistor PT1921B| | - AliExpress
Phototransistor - an overview | ScienceDirect Topics
How to Build an Infrared Detector Circuit
6. Free Space Optical Communication Link — elec2210 1.0 documentation
IR Sensor | Basics, Types, Circuit, Working, Projects, FAQs
Pololu - QTRXL-MD-01A Reflectance Sensor: 1-Channel, 7.5mm Wide, Analog Output, Long Range
Grove - Infrared Reflective Sensor | Seeed Studio Wiki
SOLVED Chinese IR emittor/phototransistor pair doesn't seem to work - General Electronics - Arduino Forum
10pairs, 3mm/5mm 940nm Infrared Emitting Diode And Ir Receiver Phototransistor,ir Led Pair,ir+pt - Diodes - AliExpress
20 Pairs, 0805 Smd, 940nm Ir Led Pair, Emitting Diode Sir0805cs And Phototransistor Pt0805bs - Transistors - AliExpress
20 Pairs, 1.8mm Ir Led Pairs,emitting Diode Sir2055 And Infrared Receiver Phototransistor Sgpt2055b - Transistors - AliExpress
How to Build an Infrared Detector Circuit
10 Pairs, Side Looking, Ir Led Pair, Infrared Emitting Diode Sir4057 And Phototransistor Sgpt4057 - Transistors - AliExpress
bjt - IR Led & Phototransistor pair bandwidth issue - Electrical Engineering Stack Exchange
infrared - Understanding voltage and current of a phototransistor w/ collector resistor - Electrical Engineering Stack Exchange
