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ONSEMI HCPL2731 Dual-Channel Optocoupler

The HCPL2731 is a dual-channel optocoupler featuring an AlGaAs LED optically coupled to a high gain split darlington photodetector. It offers a very low input current of 0.5mA, high current transfer ratio of 2000%, and exceptional common mode rejection of 10 kV/us. Designed for digital logic ground isolation, telephone ring detection, EIA-RS-232C line reception, and high noise line receiver applications, this device is suitable for use in industrial automation and communication systems, providing reliable, high-speed opto-isolation with stability over temperature ranges.

Authorized Distributors
Source:DigiKey
Part No:HCPL-2731
Stock:0
Inv Date:06-10-2026
Price: Unit price: $3.11696
Buy/RFQ:
Source:DigiKey
Part No:HCPL2731
Stock:1160
Inv Date:06-10-2026
Price: Unit price: $1.52
Buy/RFQ:
Part No:HCPL-2731
Stock:2355
Inv Date:06-11-2026
Price: Unit price: $6.07
Buy/RFQ:
Part No:HCPL2731
Stock:0
Inv Date:06-11-2026
Price: N/A
Buy/RFQ:

ONSEMI HCPL2731 Dual-Channel Optocoupler Specifications:

  • Input Forward Voltage: 1.30 to 1.75 V at 1.6mA
  • Input Reverse Breakdown Voltage: 5.0 to 20 V
  • Maximum Storage Temperature: -55°C to +125°C
  • Operating Temperature Range: -40°C to +85°C
  • Output Power Dissipation: 100 mW per channel
  • Isolation Voltage: 2500 V (withstand insulation test)
  • Common mode transient immunity: 10 kV/μs
  • Package Types: Through Hole, Surface Mount options

Buy the ON Semiconductor HCPL2731 – Reliable Dual-Channel Optocoupler for Industrial Applications

Enhance your electronics projects with the HCPL2731 dual-channel optocoupler, offering high current transfer ratio, low input current, and superior noise immunity. Ideal for digital logic ground isolation, high noise line receivers, and communication systems, this device provides fast and stable opto-isolation. Its compact design and thermal stability make it a trusted choice for industrial automation, telecommunication, and control applications. Purchase online today for dependable performance in your critical electronic systems.

Order your ON Semiconductor HCPL2731 dual-channel optocoupler today and ensure high-speed, reliable digital isolation for your industrial and communication projects.

Frequently Asked Questions

Where can I buy ONSEMI HCPL2731?

You can click on the BUY or RFQ button to purchase HCPL2731 from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part HCPL2731?

You can download the HCPL2731 datasheet or visit the ONSEMI website for support.

Who is the manufacturer of HCPL2731?

ONSEMI

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