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/Categories/Sensors Transducers/Phototransistors

Phototransistors

425 products

In automated industrial systems, accurate real-time data from the physical environment is essential for reliable machine operation. If position, temperature, pressure, or motion data is incorrect or delayed, machines can misoperate, reduce product quality, or halt production entirely. Control systems require stable and repeatable signals to maintain process consistency. Industrial automation sensors solve this problem by converting physical conditions into electrical signals that control systems can process reliably.

ImagePart Number / ManufacturerDescription / SpecsMOQDatasheetRFQ
T9508VA-SF-F
T9508VA-SF-F
Manufacturer: Vishay Semiconductor Opto Division
Category: Phototransistors
PHOTO SENSOR
1
T1090P-SD-F
T1090P-SD-F
Manufacturer: Vishay Semiconductor Opto Division
Category: Phototransistors
SENSOR PHOTO
1
VTT9103H
VTT9103H
Manufacturer: Excelitas Technologies
Category: Phototransistors
SENSOR PHOTO TOP VIEW RADIAL
1
VTT3323LAH
VTT3323LAH
Manufacturer: Excelitas Technologies
Category: Phototransistors
SENSOR PHOTO TOP VIEW RADIAL
1
VTT1227H
VTT1227H
Manufacturer: Excelitas Technologies
Category: Phototransistors
SENSOR PHOTO TOP VIEW RADIAL
1
VTT1225H
VTT1225H
Manufacturer: Excelitas Technologies
Category: Phototransistors
SENSOR PHOTO TOP VIEW RADIAL
1
PNZ108CLR
PNZ108CLR
Manufacturer: Panasonic Industry
Category: Phototransistors
SENSOR PHOTO 900NM TOP TO206AA
1
PNA1801LS0NC
PNA1801LS0NC
Manufacturer: Panasonic Industry
Category: Phototransistors
SENSOR PHOTO 800NM TOP VIEW T1
1
PNA1801L00NC
PNA1801L00NC
Manufacturer: Panasonic Industry
Category: Phototransistors
SENSOR PHOTO 800NM TOP VIEW T1
1
PS1192HB-TR
PS1192HB-TR
Manufacturer: Stanley Electric Co
Category: Phototransistors
LED INDICATION SMD
1
PS1101WA-24-TR
PS1101WA-24-TR
Manufacturer: Stanley Electric Co
Category: Phototransistors
LED INDICATION SMD
1
SFH 305-2/3
SFH 305-2/3
Manufacturer: ams-OSRAM USA INC.
Category: Phototransistors
SENSOR PHOTO 850NM TOP VIEW RAD
1
SFH 3605-3-XX
SFH 3605-3-XX
Manufacturer: ams-OSRAM USA INC.
Category: Phototransistors
SENSOR PHOTO 990NM SIDE VIEW SMD
1
SMD2440-121
SMD2440-121
Manufacturer: Honeywell Sensing and Productivity Solutions
Category: Phototransistors
INFRARED SENSOR
1
SDP8105-101
SDP8105-101
Manufacturer: Honeywell Sensing and Productivity Solutions
Category: Phototransistors
INFRARED SENSOR
1
EAPST3224A0
EAPST3224A0
Manufacturer: Everlight Electronics Co Ltd
Category: Phototransistors
SENSOR PHOTO 940NM TOP VIEW 1210
1
SFH 309-4 RN18A
SFH 309-4 RN18A
Manufacturer: ams-OSRAM USA INC.
Category: Phototransistors
SENSOR PHOTO 860NM TOP VIEW RAD
1
SFH 309 FA-4/5 RN18C
SFH 309 FA-4/5 RN18C
Manufacturer: ams-OSRAM USA INC.
Category: Phototransistors
SENSOR PHOTO 900NM TOP VIEW RAD
1
PT4800FE000F
PT4800FE000F
Manufacturer: Sharp Microelectronics
Category: Phototransistors
SENSOR PHOTO 860NM SIDE VIEW RAD
1
PT481FE0000F
PT481FE0000F
Manufacturer: Sharp Microelectronics
Category: Phototransistors
SENSOR PHOTO 860NM SIDE VIEW RAD
1
Showing 1-20 of 425 results

Applications of Industrial Automation Sensors

  • Factory automation machine position detection systems
  • Process industry temperature and pressure monitoring
  • Conveyor and material handling detection systems
  • Robotic position and motion sensing systems
  • Power plant monitoring and control sensing systems
  • Packaging and production line object detection systems
  • Industrial safety and protection monitoring systems

Key Technical Specifications

  • Measurement range and sensing accuracy
  • Response time and switching speed
  • Operating temperature and environmental protection rating
  • Output type such as analog, digital, or fieldbus interface
  • Supply voltage range and power consumption
  • Mechanical mounting type and housing material
  • Electromagnetic noise immunity rating

Types of Industrial Automation Sensors

  • Proximity sensors such as inductive, capacitive, and photoelectric
  • Temperature sensors such as RTD and thermocouple sensors
  • Pressure and flow industrial process sensors
  • Vibration and condition monitoring sensors
  • Level detection sensors for tanks and storage systems

Lifecycle and Replacement Considerations

Industrial automation sensors are typically selected during early machine or process design because control calibration, safety logic, and signal conditioning circuits depend on specific sensor characteristics. When a sensor reaches end-of-life, replacement can be difficult if measurement curves, response timing, or output interfaces change.

This is common in industrial plants where equipment operates continuously for many years. Maintenance teams often require the same sensor model to avoid recalibration, software changes, or safety revalidation.

Delays in sourcing compatible industrial sensors can lead to production downtime and increased maintenance costs.

Maketronics assists global engineering and procurement teams with reliable sourcing of both active and obsolete Industrial Automation Sensors.

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FAQs

What are industrial automation sensors?

Industrial automation sensors detect physical conditions such as position, temperature, pressure, and motion, converting them into electrical signals for control and monitoring systems.

Why are sensors critical in industrial automation?

They provide real-time data that enables accurate machine control, improves product quality, enhances safety, and supports predictive maintenance.

What types of sensors are commonly used in factories?

Common types include proximity sensors, temperature sensors, pressure sensors, flow sensors, vibration sensors, and level detection sensors.

What should be considered when replacing an industrial sensor?

Measurement accuracy, response time, output interface compatibility, environmental rating, and calibration requirements should be verified to ensure proper system performance.