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TT Electronics - Optek Technology OPB960T51 Optical Switch

The OPB960T51 is a non-contact Photologic® slotted optical switch designed for precise motion sensing and signal detection. Featuring a covered aperture, PCB leads, and a totem-pole buffer drive circuit, it offers high compatibility with TTL, LSTTL, and CMOS logic levels. The device is housed in a standard enclosure with a 0.125-inch wide slot, customizable in output logic, aperture size, surface treatment, and mounting tabs to meet diverse application needs. Its opaque plastic housing minimizes external light interference, ensuring reliable operation in industrial, automotive, and instrumentation environments. Different aperture widths optimize optical resolution, while dust protection and output drive options enhance its durability and versatility.

Authorized Distributors
Source:DigiKey
Part No:OPB960T51
Stock:251
Inv Date:06-11-2026
Price: Unit price: $3.69
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Part No:OPB960T51
Stock:818
Inv Date:06-12-2026
Price: Unit price: $3.8
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Part No:OPB960T51
Stock:141
Inv Date:06-11-2026
Price: Unit price: $2.23
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Part No:OPB960T51
Stock:1000
Inv Date:06-11-2026
Price: Unit price: $6.63
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Part No:OPB960T51
Stock:1000
Inv Date:06-11-2026
Price: Unit price: $6.63
Buy/RFQ:
Part No:OPB960T51
Stock:0
Inv Date:06-11-2026
Price: Unit price: $3.19
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TT Electronics - Optek Technology OPB960T51 Optical Switch Specifications:

  • Housing: Standard enclosure with 0.125-inch (3.18mm) wide slot
  • Aperture options: covered or open, customizable in width (e.g., 55, 51, 11 thousandths of inch)
  • Output logic: buffer, inverter, totem-pole, open-collector options
  • Supply voltage: 4.5V to 16V DC
  • Detector wavelength: Near-infrared 850–940nm
  • Device body: Opaque plastic minimizing visible and near-infrared light sensitivity
  • Power Dissipation: LED 100mW, Photologic detector 200mW
  • Maximum forward voltage of LED: 1.70V at 20mA
  • Operating temperature: -40°C to +70°C
  • Storage temperature: -40°C to +85°C
  • Output voltage (open-collector): up to 35V, max 30mA
  • Input diode forward current: 40mA
  • Reverse voltage: 2V
  • Maximum lead soldering temperature: 260°C for 5 seconds
  • Compliance: RoHS
  • Sensing applications: Speed and direction, mechanical switch replacement, limit indication, automotive, encoders
  • Dimensions and leads adjusted per application, with customizable mounting features

Buy the Buy Photologic Optical Switch Part Number OPB960T51 Online

Buy the Photologic OPB960T51 optical switch today online for precise, non-contact motion sensing, industrial automation, and signal processing. This versatile sensor features customizable aperture sizes, PCB or wire leads, and flexible output logic options including buffer, inverter, and totem-pole drives. Its opaque plastic housing minimizes ambient light interference, ensuring reliable operation in various environments. Ideal for automotive, industrial, and measurement applications, this switch offers dust protection, high-quality infrared sensing, and compatibility with TTL, CMOS, and LSTTL logic levels, making it a valuable addition to your automation toolkit.

Order your Photologic OPB960T51 optical switch today and enhance your motion sensing and automation projects with reliable, customizable optical solutions.

Frequently Asked Questions

Where can I buy TT Electronics - Optek Technology OPB960T51?

You can click on the BUY or RFQ button to purchase OPB960T51 from an authorized TT Electronics - Optek Technology distributor.

How do I troubleshoot issues or seek technical support for part OPB960T51?

You can download the OPB960T51 datasheet or visit the TT Electronics - Optek Technology website for support.

Who is the manufacturer of OPB960T51?

TT Electronics - Optek Technology

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