HCPL2731M

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL2731M is a dual-channel logic output optocoupler manufactured by onsemi, housed in an 8-pin MDIP package. It features a split Darlington phototransistor output configuration designed for high gain and fast switching capabilities. The device provides a minimum isolation voltage of 5000 Vrms and supports a common-mode transient immunity (CMTI) of up to 10 kV/µs. Key electrical parameters include a maximum forward current of 20 mA, a typical rise time of 22 µs, and a fall time of 3 µs. The unit operates within a temperature range of -40°C to +100°C and dissipates up to 100 mW of power.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel architecture with split Darlington output structure for enhanced current drive capability
• High common-mode transient immunity rated at 10 kV/µs for noise rejection
• Wide operating temperature range extending to +100°C for industrial reliability

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial process control systems requiring galvanic isolation
• Solid-state relay driver circuits
• Power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'M' corresponds to the lead-free and halogen-free compliant version as defined in the official onsemi datasheet. Confirm that the MDIP-8 package dimensions match your PCB footprint requirements. Ensure the supplier provides traceability documentation consistent with onsemi manufacturing standards for this component series.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high current transfer ratio and fast switching speeds are required compared to standard transistor outputs. The split Darlington design allows for higher fan-out capabilities. Consider thermal dissipation limits if operating near the maximum junction temperature. Verify input current requirements against the driving source capabilities to ensure proper LED activation.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HCPL-27xx series of high-speed optocouplers from onsemi. It is functionally similar to other dual-channel devices in the family but distinguished by its specific Darlington output topology and speed characteristics. It serves as a bridge between low-power logic circuits and higher-power loads while maintaining electrical safety isolation.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided data. Cross-referencing with equivalent parts requires consulting official replacement guides or distributor compatibility matrices to ensure pinout and electrical parameter alignment.