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TT Electronics - Optek Technology OPL550A Photologic Sensor

The OPL550A is a high-performance photologic sensor designed for non-contact reflective object detection, assembly line automation, and safety applications. It features a totem pole output, high noise immunity, and operates over a supply voltage range of 4.5 to 16 V. The device includes a built-in photodiode, amplifier, voltage regulator, and Schmitt trigger. It offers medium-speed data rates up to 250 kBaud, capable of driving multiple TTL loads, making it suitable for machine safety, end-of-travel sensing, and automation systems with excellent stability and optical coupling.

Authorized Distributors
Source:Newark
Part No:OPL550A
Stock:847
Inv Date:06-11-2026
Price: Unit price: $1.96
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Source:DigiKey
Part No:OPL550A
Stock:52
Inv Date:06-11-2026
Price: Unit price: $1.77
Buy/RFQ:
Part No:OPL550A
Stock:327
Inv Date:06-12-2026
Price: Unit price: $1.77
Buy/RFQ:
Part No:OPL550A
Stock:0
Inv Date:06-11-2026
Price: Unit price: $1.94
Buy/RFQ:

TT Electronics - Optek Technology OPL550A Photologic Sensor Specifications:

  • Supply Voltage: 4.5V to 16V
  • Output Type: Totem pole, high noise immunity
  • Output current: 8 TTL loads
  • Data Rate: Up to 250 kBaud
  • Operating Temperature: -40°C to +85°C
  • Storage Temperature: -40°C to +100°C
  • Dimensions: Not specified, compact plastic side-looking package
  • Weight: Not specified
  • Package: Molded plastic with integrated lens (recessed for some models)
  • Light Source Compatibility: Spectrally matched to OP140 and OP240 LEDs
  • Response Time: Rise and fall times approximately 25 ns (typical)
  • Power Consumption: Low, specified in datasheets
  • Maximum Reverse Voltage: 35 V

Buy the Electronics Series OPL550A: Photologic Sensor for Automation and Safety

Order the OPL550A online today to enhance your automation system with a reliable, noise-immune photologic sensor. Perfect for non-contact object detection, assembly automation, and safety applications. Its high-speed TTL output and integrated lens deliver precise and consistent performance. This sensor is designed for easy installation in various industrial environments, providing stable operation over a wide temperature range. Purchase now to improve your machine safety and workflow efficiency with a high-quality optical sensor that guarantees durability and dependable performance for your automation needs.

Buy OPL550A photologic sensor now and experience unmatched reliability and performance for automation, safety, and machine safety applications.

Frequently Asked Questions

Where can I buy TT Electronics - Optek Technology OPL550A?

You can click on the BUY or RFQ button to purchase OPL550A from an authorized TT Electronics - Optek Technology distributor.

How do I troubleshoot issues or seek technical support for part OPL550A?

You can download the OPL550A datasheet or visit the TT Electronics - Optek Technology website for support.

Who is the manufacturer of OPL550A?

TT Electronics - Optek Technology

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