MT121L-URD

LED Indication - Discrete Overview

The MT121L-URD is a red light-emitting diode manufactured by Marktech Optoelectronics. It features a 5.5mm round through-hole package with three radial leads. The component operates at a forward current of 20mA and exhibits a forward voltage of approximately 5.3V. It is classified as a standard discrete LED indicator designed for panel mounting applications.

LED Indication - Discrete Feature Summary

• Provides visible red light indication for status monitoring
• Utilizes a robust 5.5mm round housing for mechanical stability
• Supports through-hole mounting via three radial leads

LED Indication - Discrete Applications

• Panel-mounted equipment status indicators
• General-purpose visual signaling in control units
• Discrete LED indication in electronic assemblies

LED Indication - Discrete Procurement Notes

Verify the specific datasheet version to confirm electrical tolerances and lead configuration. Ensure compatibility with existing PCB footprints or panel cutouts. Confirm RoHS compliance status if required by project specifications. Cross-reference the manufacturer part number to avoid confusion with similar series components.

LED Indication - Discrete Selection Notes

Select this component when a standard red indicator is required for through-hole assembly. Consider the 5.5mm diameter for adequate visibility and the 20mA drive requirement for circuit design. Evaluate the 5.3V forward voltage drop against available supply rails. Verify that the radial lead spacing matches the target mounting board layout.

LED Indication - Discrete Part Context

This component belongs to the discrete LED indicator category from Marktech Optoelectronics. It serves as a visual signal source in various electronic systems. The product line includes variants with different colors and lens shapes, but this specific model is dedicated to red illumination using a standard through-hole form factor.