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Vishay TCST1103 Optical Sensor

The TCST1103 is a transmissive optical sensor featuring an infrared emitter and phototransistor, designed for presence sensing, optical switching, and encoder applications. It includes a daylight blocking filter and comes in a leaded package with dimensions of 11.9 x 6.3 x 10.8 mm, providing reliable performance in various ambient temperatures up to 85°C. Its high sensitivity and specific wavelength of 950 nm make it ideal for photo interrupters and optical couplers, with RoHS compliance ensuring environmentally friendly usage. Suitable for automation and industrial monitoring.

Authorized Distributors
Source:Newark
Part No:TCST1103
Stock:768
Inv Date:06-09-2026
Price: Unit price: $1.59
Buy/RFQ:
Source:DigiKey
Part No:TCST1103
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1.45
Buy/RFQ:
Part No:TCST1103
Stock:207
Inv Date:06-10-2026
Price: Unit price: $1.54
Buy/RFQ:
Part No:TCST1103
Stock:1701
Inv Date:06-09-2026
Price: Unit price: $0.75
Buy/RFQ:
Source:Arrow EU
Part No:TCST1103
Stock:901
Inv Date:06-10-2026
Price: N/A
Buy/RFQ:
Part No:TCST1103
Stock:1043
Inv Date:06-10-2026
Price: N/A
Buy/RFQ:

Vishay TCST1103 Optical Sensor Specifications:

  • Package dimensions: 11.9 x 6.3 x 10.8 mm
  • Emitter wavelength: 950 nm
  • Maximum ambient temperature: 85°C
  • Reverse voltage (emitter): 6 V
  • Forward current (emitter): 60 mA
  • Collector emitter voltage (detector): 70 V
  • Collector peak current: 200 mA
  • Total power dissipation: 250 mW (coupler), 100 mW (emitter), 150 mW (detector)
  • Storage temperature range: -55°C to +100°C
  • Soldering temperature: 260°C for less than 5 seconds
  • Gap (optical path): 3.1 mm
  • Lead type: Leaded
  • RoHS compliant, WEEE compliant
  • Applications include optical switches, photo interrupters, encoders

Buy the Vishay Series Optical Sensor: TCST1103

Buy your Vishay Series TCST1103 optical sensor online today and experience precise, reliable optical sensing for industrial automation, photo interrupters, and encoders. Its compact size, daylight blocking filter, and high sensitivity make it suitable for a wide range of applications. Available with RoHS compliance and leaded package, this sensor provides dependable performance in various ambient temperatures. Enhance your projects with this versatile optical component and streamline your manufacturing or automation process effortlessly.

Order your Vishay Series TCST1103 optical sensor today and enhance your automation projects with its high sensitivity and reliable performance in optical switching.

Frequently Asked Questions

Where can I buy Vishay TCST1103?

You can click on the BUY or RFQ button to purchase TCST1103 from an authorized Vishay distributor.

How do I troubleshoot issues or seek technical support for part TCST1103?

You can download the TCST1103 datasheet or visit the Vishay website for support.

Who is the manufacturer of TCST1103?

Vishay

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