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TT Electronics - Optek Technology OPB350L250 Liquid Sensor

The OPB350L250 is a liquid sensor designed for non-contact fluid detection in tubes with an outside diameter of 1/4 inch. It features a plastic housing that enhances ambient light rejection and includes calibration circuitry for consistent performance over time. Suitable for detecting water, oils, and colored fluids in applications such as IV fluid monitoring and petroleum product sensing, it can be mounted on PCBoards or remotely with the wired assembly. Its robust construction and calibration capability make it ideal for precise, reliable liquid detection in industrial and medical systems.

Authorized Distributors
Source:Newark
Part No:OPB350L250
Stock:168
Inv Date:06-11-2026
Price: Unit price: $6.36
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Source:DigiKey
Part No:OPB350L250
Stock:1450
Inv Date:06-11-2026
Price: Unit price: $5.84
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Part No:OPB350L250
Stock:106
Inv Date:06-12-2026
Price: Unit price: $5.84
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Part No:OPB350L250
Stock:0
Inv Date:06-11-2026
Price: Unit price: $5.84
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Part No:OPB350L250
Stock:428
Inv Date:06-11-2026
Price: Unit price: $8.04
Buy/RFQ:
Part No:OPB350L250
Stock:428
Inv Date:06-11-2026
Price: Unit price: $8.04
Buy/RFQ:
Part No:OPB350L250
Stock:0
Inv Date:06-11-2026
Price: Unit price: $5.43
Buy/RFQ:

TT Electronics - Optek Technology OPB350L250 Liquid Sensor Specifications:

  • Operating Temperature: -40°C to +85°C
  • Storage Temperature: -40°C to +100°C
  • Soldering Temperature: 260°C for 5 sec.
  • Wiring: 26 AWG, 24 inches (610 mm) length
  • Material: Plastic housing
  • Housing diameter: Standard for 1/4 inch tubes
  • Calibration Circuit: Yes, offers consistent performance
  • Detection Type: Non-contact fluid sensing
  • Applications: Water, oils, colored fluids, IV fluids, petroleum products
  • Supply Voltage: 4.75V to 5.25V
  • Supply Current: Up to 35mA
  • Collector-Emitter Voltage: 24V or 30V
  • Collector DC Current: 50mA
  • Power Dissipation: 100mW
  • Dimensions: Designed for 1/4 inch tubes with appropriate housing size
  • Includes: Calibration board, interface cable, and all electronics

Buy the Buy TT Electronics OPB350L250 Part Number OPB350L250 Online

Discover the TT Electronics OPB350L250 liquid sensor, engineered for precise non-contact fluid detection in medical, industrial, and petroleum applications. Featuring calibration circuitry, this device ensures consistent accuracy over years of operation. Its robust plastic housing provides ambient light rejection, making it suitable for detecting water, oils, and colored fluids in tubes with 1/4 inch outside diameter. Easy to mount on PCBoards or remotely with the wired assembly, it offers reliable performance, longevity, and ease of integration for your fluid monitoring needs.

Buy TT Electronics OPB350L250 now and ensure reliable non-contact liquid detection in your medical or industrial systems.

Frequently Asked Questions

Where can I buy TT Electronics - Optek Technology OPB350L250?

You can click on the BUY or RFQ button to purchase OPB350L250 from an authorized TT Electronics - Optek Technology distributor.

How do I troubleshoot issues or seek technical support for part OPB350L250?

You can download the OPB350L250 datasheet or visit the TT Electronics - Optek Technology website for support.

Who is the manufacturer of OPB350L250?

TT Electronics - Optek Technology

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