SSF-EX2573ID-TR Red LED Equivalent & Substitute Parts

Part Overview

The SSF-EX2573ID-TR is a red diffused LED manufactured by Lumex Opto/Components Inc., designed for LED indication applications in through-hole configurations. This component features a 2V forward voltage, 10mcd brightness rating, and a rectangular lens measuring 5.00mm x 2.00mm with a flat top design. The part is currently classified as obsolete, necessitating identification of active equivalent components to maintain design continuity and ensure supply chain availability for new production and repair applications.

Substiute Parts

SSF-EX2573ID-TR

Lumex Opto/Components Inc.In Stock: 873SSF-EX2573ID-TR Datasheet

Current PartRFQ

SSL-LX2573ID

Lumex Opto/Components Inc.In Stock: 10104SSL-LX2573ID Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SSF-EX2573ID-TR is determined by strict alignment of the following critical parameters:

Electrical Parameters:

• Forward voltage (Vf): 2V
• Test current: 20mA
• Peak wavelength: 635nm
• Millicandela rating: 10mcd

Mechanical Parameters:

• Lens color: Red
• Lens transparency: Diffused
• Lens style: Rectangle with Flat Top
• Lens size: 5.00mm x 2.00mm
• Mounting type: Through Hole
• Package type: Radial

Compliance Parameters:

• RoHS3 Compliant
• REACH Unaffected

The substitute part SSL-LX2573ID meets all critical electrical and mechanical parameters. Variations in viewing angle (110° vs. 80°) and maximum height (7.00mm vs. 7.20mm) remain within acceptable tolerance ranges for LED indication applications and do not affect functional compatibility in standard circuit designs.

Parameter Comparison

Engineering Selection Recommendations

The SSL-LX2573ID is the direct equivalent for the obsolete SSF-EX2573ID-TR. Both components are manufactured by Lumex Opto/Components Inc. and share identical electrical specifications, optical characteristics, and mechanical form factors for the lens assembly.

Supply Status Consideration: The SSL-LX2573ID maintains active product status with 10,013 pieces in stock, compared to the obsolete SSF-EX2573ID-TR with 839 pieces. For new designs and ongoing production, the SSL-LX2573ID provides assured long-term availability.

Compliance Alignment: Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility across manufacturing jurisdictions.

Physical Integration: The SSL-LX2573ID features a maximum height of 7.00mm versus 7.20mm for the main part. This 0.20mm reduction is negligible for standard PCB layouts and does not affect mounting clearances in typical through-hole applications. The wider viewing angle (110° vs. 80°) in the substitute provides enhanced light distribution, which is advantageous for indication applications.

Frequently Asked Questions (FAQ)

Q: Can SSL-LX2573ID be used as a direct replacement for SSF-EX2573ID-TR in existing designs?

A: Yes. The SSL-LX2573ID is electrically and mechanically compatible. Both components share identical forward voltage (2V), test current (20mA), peak wavelength (635nm), brightness (10mcd), lens dimensions (5.00mm x 2.00mm), and mounting configuration (through-hole radial). The substitute is suitable for direct PCB substitution without circuit modification.

Q: What is the significance of the viewing angle difference (80° vs. 110°)?

A: The SSL-LX2573ID provides a wider viewing angle of 110° compared to the 80° of the main part. This wider angle increases the light distribution range, making the LED visible from a broader range of viewing positions. For indication applications, this is generally beneficial and does not create compatibility issues.

Q: Does the 0.20mm height difference affect PCB layout?

A: No. The SSL-LX2573ID maximum height of 7.00mm versus 7.20mm for the main part represents a negligible difference. Standard PCB design tolerances and component clearance specifications accommodate this variation without requiring layout modifications.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both SSF-EX2573ID-TR and SSL-LX2573ID are ROHS3 compliant and REACH unaffected, ensuring regulatory compliance for manufacturing and distribution in regulated markets.

Q: Why is the main part listed as obsolete?

A: The SSF-EX2573ID-TR is classified as obsolete, indicating it is no longer in active production. The SSL-LX2573ID serves as the active equivalent, maintaining the same specifications while ensuring continued availability for new and existing applications.

Q: What packaging differences exist between the two parts?

A: The main part (SSF-EX2573ID-TR) is supplied in standard packaging, while the substitute (SSL-LX2573ID) is available in bulk packaging. Both use radial through-hole package configuration. Bulk packaging does not affect component electrical or mechanical properties.