5977791902F

Overview

The Dialight 5977791902F is a surface-mount bi-color LED indicator featuring Red, Green, and Yellow elements in a PLCC-4 package. It operates with a forward voltage of 2V for red, 2.1V for green, and 2.2V for yellow. The device provides luminous intensities of 350mcd for red, 850mcd for green, and 16mcd for yellow. Peak wavelengths are 630nm (red), 525nm (green), and 589nm (yellow). It supports a test current of 20mA and offers a 120-degree viewing angle.

Feature Summary

• Triple-color configuration combining red, green, and yellow LEDs within a single compact SMD footprint
• High brightness green element providing enhanced visibility for status indication applications
• Standard PLCC-4 surface mount package design facilitating automated PCB assembly processes

Applications

• Electronic equipment status indicators
• Panel-mounted control interface lighting
• Multi-state signal visualization in industrial systems

Procurement Notes

This component is officially classified as obsolete and no longer manufactured by the producer. Procurement requires verification of available substitute part numbers from authorized distributors. Buyers must confirm compatibility with recommended replacement models before acquisition to ensure supply chain continuity and functional equivalence in existing designs.

Selection Notes

Engineers should evaluate the obsolete status when selecting this component for new designs. Alternative solutions must be identified through official manufacturer substitution guides. Design modifications may be necessary to accommodate pinout or electrical parameter differences in recommended replacement parts. Verify mechanical dimensions and thermal characteristics against target application requirements.

Part Context

The 5977791902F belongs to the Dialight MicroLED series, representing a line of multi-color surface-mount indicators. This specific model integrates three distinct semiconductor chips into one package to provide comprehensive visual feedback. The product line focuses on compact form factors suitable for dense circuit board layouts while maintaining high luminous output across multiple color channels.

Replacement Considerations

Dialight recommends the 5977791907F as an official substitute for this obsolete part number. Engineers should verify that the replacement maintains identical electrical characteristics and mechanical dimensions. Cross-reference datasheets to ensure compatibility with existing driver circuits and mounting constraints.