HCPL-2731-300E

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-2731-300E is a dual-channel high-speed optocoupler manufactured by Broadcom Limited. It features two independent channels, each integrating a GaAsP light-emitting diode optically coupled to a photodarlington output detector. The device operates with a data rate of 100 kb/s and provides an isolation voltage of 3750 Vrms. Key electrical parameters include a maximum forward current of 20 mA, a typical current transfer ratio of 1800%, and a maximum output current of 60 mA. It is housed in an 8-pin PDIP Gull Wing package suitable for surface mount or through-hole installation.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates dual independent channels with high-gain photodarlington outputs for enhanced signal transmission.
• Utilizes GaAsP LEDs optically coupled to integrated detectors for excellent input-output common mode rejection.
• Provides robust electrical isolation with a rated insulation voltage of 3750 Vrms.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial communication systems requiring galvanic isolation
• Microprocessor system interfacing
• Signal transmission across isolated ground planes

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (300E) to confirm the tube packaging format and RoHS compliance status. Ensure the procurement order matches the required PDIP-8 gull wing package configuration. Cross-reference the manufacturer part number with official Broadcom documentation to validate authenticity and technical specifications before finalizing purchase orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation with high gain is required at moderate data rates. The photodarlington output offers higher current drive capability compared to standard phototransistor variants. Consider the 100 kBd speed limit and 60 mA output current capacity against application requirements. Verify thermal dissipation limits within the specified operating temperature range during design integration.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the HCPL series of high-speed optocouplers from Broadcom Limited. The series is designed for applications demanding reliable electrical isolation between circuits. The HCPL-2731 variant specifically targets dual-channel configurations, distinguishing it from single-channel counterparts like the HCPL-2631. It serves as a specialized solution for bidirectional data transmission in noisy environments.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

• HCPL-2731S

Transistor, Photovoltaic Output Optoisolators FAQ

What is the output type of the HCPL-2731-300E?

The output type is a photodarlington detector, which provides high current transfer ratio and output current capability.

What is the maximum isolation voltage rating?

The device supports an insulation voltage of 3750 Vrms between the input LED and the output photodetector.