ILQ74XSM

Transistor, Photovoltaic Output Optoisolators Overview

The ILQ74XSM is a quad-channel optocoupler from the Isocom ISD series, housed in an 8-pin SOP surface-mount package. It features a maximum isolation voltage of 5300Vrms and operates within a temperature range of -25°C to 100°C. The device supports DC input with a typical rise time of 2.6μs and fall time of 2.2μs. Key electrical parameters include a maximum forward voltage of 1.65V, a minimum current transfer ratio of 12.5%, and a maximum CTR of 400%. It complies with CECC 0080, EN60950, UL, and VDE 0884 standards.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Quad-channel configuration for multi-signal isolation
• High isolation voltage rating of 5300Vrms
• Surface-mount SOP packaging for automated assembly
• Compliance with international safety standards including UL and VDE

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring signal isolation
• Communication equipment interface circuits
• Power supply feedback loops
• Microcontroller I/O isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'XSM' against the manufacturer's official datasheet to confirm pinout and tape-and-reel specifications. Ensure the procurement documentation explicitly references Isocom Components 2004 LTD as the source. Cross-check the CECC 0080 and VDE 0884 certification numbers for validity. Confirm the operating temperature range matches the application requirements before finalizing orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-density quad-channel isolation is required in a surface-mount form factor. The 5300Vrms isolation rating suits applications demanding robust galvanic separation between low-voltage logic and higher-voltage power stages. Verify that the 12.5% to 400% CTR range meets the drive requirements of the receiving circuitry. Consider the -25°C to 100°C operating range for environmental compatibility.

Transistor, Photovoltaic Output Optoisolators Part Context

The ILQ74XSM belongs to the ISD series of quad-channel optocouplers manufactured by Isocom Components 2004 LTD. This series is designed for general-purpose digital isolation tasks. The part number indicates a surface-mount variant with specific packaging characteristics defined by the manufacturer. It serves as a compact solution for isolating multiple digital signals simultaneously in space-constrained designs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Consult official substitution lists for equivalent quad-channel optocouplers with matching 5300Vrms isolation and SOP-8 footprint. Verify pin-to-pin compatibility and electrical parameter overlaps before replacement. Generic equivalents may differ in CTR ranges or switching speeds.