5219271F

LED Indication - Discrete Overview

The Dialight 5219271F is a single-color yellow LED indicator designed for through-hole mounting. It features a T-1 3/4 radial package with a diffused lens and a circular dome shape. The component emits light at a peak wavelength of 587 nm, producing a luminous intensity of 16.25 mcd when tested at 10 mA. The lens diameter measures 2.00 mm. This standard configuration part is suitable for general indication applications requiring visible yellow signaling.

LED Indication - Discrete Feature Summary

• Through-hole radial construction for standard PCB insertion
• Diffused lens design providing wide viewing angle visibility
• Yellow emission optimized for clear visual status indication

LED Indication - Discrete Applications

• General electronic equipment status indicators
• Power supply unit front panel signaling
• Industrial control panel status monitoring

LED Indication - Discrete Procurement Notes

Verify the specific suffix F against the manufacturer's current datasheet to confirm compliance with RoHS3 standards and REACH regulations. Ensure the ordering quantity aligns with the manufacturer's standard bulk packaging requirements. Confirm that the T-1 3/4 lead form factor matches the target printed circuit board layout dimensions before finalizing procurement orders.

LED Indication - Discrete Selection Notes

Select this component when a standard yellow indication is required for through-hole assembly processes. The 587 nm peak wavelength offers high visibility in ambient lighting conditions. Consider the 16.25 mcd intensity rating to ensure adequate brightness for the intended enclosure or panel thickness. Verify that the 10 mA test current aligns with the system's power budget and drive capabilities.

LED Indication - Discrete Part Context

This component belongs to the Dialight 521 series, which focuses on reliable discrete LED indicators. The 5219271F specifically utilizes the T-1 3/4 form factor, a common size for panel and board mounting. It serves as a fundamental optical element for visual feedback in various electronic systems, distinct from surface-mount or high-power variants within the broader product catalog.

LED Indication - Discrete Replacement Considerations

Consult official cross-reference data for equivalent T-1 3/4 yellow LEDs. Verify compatibility regarding forward voltage drop and physical lead spacing if substituting with components from other manufacturers.