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TT Electronics - Optek Technology OPB620 Optical Switch

The OPB620 slotted optical switch features an infrared emitting diode paired with an NPN silicon phototransistor, designed for high-speed and immune-to-background IR interference applications. It includes a transistor and a housing that minimizes ambient radiation sensitivity, with lead centers of 0.320 inches. Suitable for machine automation, end-of-travel detection, and safety sensors, this device offers a compact, PCB-mount design with enhanced signal-to-noise ratios, ideal for reliable non-contact switching in industrial environments.

Authorized Distributors
Source:Newark
Part No:OPB620
Stock:18
Inv Date:06-11-2026
Price: Unit price: $1.99
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Source:DigiKey
Part No:OPB620
Stock:23920
Inv Date:06-11-2026
Price: Unit price: $1.78
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Part No:OPB620
Stock:1062
Inv Date:06-12-2026
Price: Unit price: $1.78
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Part No:OPB620
Stock:0
Inv Date:06-11-2026
Price: Unit price: $1.78
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Part No:OPB620
Stock:2009
Inv Date:06-11-2026
Price: Unit price: $1.92
Buy/RFQ:
Part No:OPB620
Stock:2009
Inv Date:06-11-2026
Price: Unit price: $1.92
Buy/RFQ:
Part No:OPB620
Stock:0
Inv Date:06-11-2026
Price: Unit price: $1.58
Buy/RFQ:

TT Electronics - Optek Technology OPB620 Optical Switch Specifications:

  • Storage and Operating Temperature Range: -40°C to +100°C
  • Peak Forward Current: 100 mA
  • Reverse DC Voltage: 60 V
  • Collector-Emitter Breakdown Voltage: 24 V
  • Dark Current - Output Phototransistor: 100 nA
  • Forward Voltage - Output Photodiode: 1.0 V
  • Maximum Lead Soldering Temperature: 260°C for 5 sec.
  • Red LED (OPB620): Wavelength 890 nm, Aperture 0.150" / 0.240"
  • Lead Centers: 0.320" (OPB620), 0.275" (OPB610, OPB611), 0.240" (OPB610)
  • Housing Material: Polysulfone (visible light opaque, IR transmissive)
  • Soldering Note: RMA flux recommended, avoid excessive force on leads
  • Maximum Power Dissipation: 100 mW for photodiode, 260°C soldering temperature

Buy the TT Electronics Series OPB Switch: OPB620

Purchase your TT Electronics Series OPB620 optical sensor online today to enhance your automation projects with high-speed, reliable non-contact switching. Designed for industrial environments, this sensor offers excellent immunity to background IR radiation and features PCB mounting for easy integration. Perfect for end-of-travel detection, machine safety, and object sensing, the OPB620 provides consistent performance with minimal ambient interference. Order now and ensure your systems operate efficiently with top-quality opto-electronic components delivered directly to your workspace.

Order your TT Electronics Series OPB620 high-speed opto sensor today and experience dependable non-contact switching for industrial automation.

Frequently Asked Questions

Where can I buy TT Electronics - Optek Technology OPB620?

You can click on the BUY or RFQ button to purchase OPB620 from an authorized TT Electronics - Optek Technology distributor.

How do I troubleshoot issues or seek technical support for part OPB620?

You can download the OPB620 datasheet or visit the TT Electronics - Optek Technology website for support.

Who is the manufacturer of OPB620?

TT Electronics - Optek Technology

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