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Optical Sensors - Phototransistors

Optical Sensors - Phototransistors

  1. Products
  2. Sensors, Transducers
  3. Optical Sensors - Phototransistors
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Image Part Number Manufacturer Description Series Operating Temperature Packaging Mounting Type RoHS Status Output Type Sensing Method Sensing Distance Response Time
PT11-21C/L41/TR8 Texas Instruments PHOTOTRANSISTOR CLEAR MINI 1206 - -25°C ~ 85°C (TA) Cut Tape (CT) Surface Mount - - - - -
PT534-6B Texas Instruments PHOTOTRANSISTOR 5MM BLACK RAD - -25°C ~ 125°C (TA) Bulk Through Hole - - - - -
PT4800F Texas Instruments PHOTO TRANS BLACK LEN 860NM SIDE - -25°C ~ 85°C (TA) Tube Through Hole - - - - -
PT67-21C/L41/TR8 Texas Instruments PHOTOTRANSISTOR TOP NPN CLR SMD - -25°C ~ 85°C (TA) Tape & Reel (TR) Surface Mount - - - - -
PT481FE0000F Texas Instruments PHOTO TRANS BLACK LEN 860NM SIDE - -25°C ~ 85°C (TA) Tube Through Hole - - - - -
PT481F Texas Instruments PHOTO TRANS BLACK LEN 860NM SIDE - - Tube Through Hole - - - - -
PT91-21C Texas Instruments PHOTOTRANSISTOR 1.9MM RND AXIAL - -25°C ~ 85°C (TA) Bulk Through Hole - - - - -
PT91-21B/TR10 Texas Instruments PHOTOTRANS 1.9MM RND BLACK ZBEND - -25°C ~ 85°C (TA) Tape & Reel (TR) Surface Mount - - - - -
PT333-3C Texas Instruments PHOTOTRANSISTOR 5MM CLEAR RAD - -25°C ~ 85°C (TA) Bulk Through Hole - - - - -
PT501 Texas Instruments PHOTO TRANS CLR LEN 800NM TO-18 - -25°C ~ 125°C (TA) Tube Through Hole - - - - -

About Optical Sensors - Phototransistors


Phototransistors are semiconductor devices that convert light energy into electrical signals. They consist of a semiconductor junction and a transparent window that allows light to enter and interact with the semiconductor material. Phototransistors amplify the current generated by incident light, making them suitable for applications requiring high sensitivity to light levels, such as optical encoders, ambient light sensing, and infrared remote control systems.