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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
PT333-3B Texas Instruments PHOTOTRANSISTOR 5MM BLACK RAD - -40°C ~ 85°C (TA) Bulk Through Hole - - - - -
PT908-7B-F Texas Instruments PHOTOTRANSISTOR 1.5MM SIDE BLACK - -25°C ~ 85°C (TA) Bulk Through Hole - - - - -
PT15-21B/TR8 Texas Instruments PHOTOTRANSISTOR FLAT TOP BK 1206 - -25°C ~ 85°C (TA) Original-Reel® Surface Mount - - - - -
PT100MC0MP Texas Instruments PHOTO TRANS CLEAR LENS 900NM SMD - -30°C ~ 85°C (TA) Tape & Reel (TR) Surface Mount - - - - -
PT480F Texas Instruments PHOTO TRANS BLACK LEN 860NM SIDE - -25°C ~ 85°C (TA) Tube Through Hole - - - - -
PT480 Texas Instruments PHOTO TRANS CLEAR LEN 800NM SIDE - -25°C ~ 85°C (TA) Tube Through Hole - - - - -
PT19-21B/L41/TR8 Texas Instruments PHOTOTRANSISTOR FLAT BK MINI SMD - -25°C ~ 85°C (TA) Cut Tape (CT) Surface Mount - - - - -
PT1504-6B Texas Instruments PHOTOTRANSISTOR 5MM NPN BK RAD - -25°C ~ 85°C (TA) Bulk Through Hole - - - - -
PT550 Texas Instruments PHOTO TRANS CLR LEN 800NM TO-18 - -25°C ~ 125°C (TA) Tube Through Hole - - - - -
PT17-21C/L41/TR8 Texas Instruments PHOTOTRANSISTOR FLAT CLEAR 0805 - -25°C ~ 85°C (TA) Tape & Reel (TR) Surface Mount - - - - -

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.