Dialight 5552403 LED Circuit Board Indicator - Equivalent & Substitute Parts

Part Overview

The Dialight 5552403 is a 2mm yellow LED circuit board indicator designed for through-hole, right-angle mounting applications. This component is classified as obsolete, making identification of suitable substitutes essential for ongoing production and maintenance requirements. The part delivers 2.1 millicandela at 4.7mA operating current with a 5V voltage rating and 40° viewing angle, suitable for standard indicator applications requiring yellow illumination.

Substiute Parts

5552403

DialightIn Stock: 8095552403 Datasheet

Current PartRFQ

5552403F

DialightIn Stock: 32165552403F Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Dialight 5552403 is determined by strict equivalence across the following critical parameters:

• Color and Wavelength: Yellow at 583nm peak wavelength
• Electrical Specifications: 5V voltage rating, 4.7mA current, 2.1mcd brightness
• Optical Characteristics: Clear lens, 40° viewing angle, 2.00mm diameter
• Mechanical Configuration: Single LED, through-hole mounting, right-angle orientation
• Series Compatibility: Dialight 555 series

The substitute part 5552403F maintains complete electrical and mechanical equivalence across all specified parameters while offering improved product status and compliance certification.

Parameter Comparison

Engineering Selection Recommendations

The Dialight 5552403F serves as the direct substitute for the obsolete 5552403. Both components are electrically and mechanically identical across all specified parameters. The 5552403F offers two significant advantages: active product status ensuring continued availability and supply chain support, and ROHS3 compliance certification compared to the non-compliant status of the original part. Both components maintain REACH Unaffected status and identical ECCN/HTSUS classifications. Selection of 5552403F is appropriate for new designs and replacement applications requiring equivalent performance with improved regulatory compliance and product lifecycle support.

Frequently Asked Questions (FAQ)

Q: Can 5552403F be used as a direct replacement for 5552403? A: Yes. The 5552403F is electrically and mechanically equivalent across all specified parameters including voltage, current, brightness, color, wavelength, viewing angle, lens configuration, and mounting type.

Q: What is the primary difference between these parts? A: The 5552403F is an active product with ROHS3 compliance certification, while the 5552403 is obsolete and RoHS non-compliant. Functional performance is identical.

Q: Are there any packaging differences? A: The 5552403F is supplied in bulk packaging. Packaging format should be confirmed against specific assembly requirements.

Q: Will 5552403F work in existing PCB designs for 5552403? A: Yes. Identical mounting type (through-hole, right-angle), lens size (2.00mm), and electrical specifications ensure compatibility with existing board layouts and circuit designs.

Q: What compliance certifications apply to both parts? A: Both components are REACH Unaffected and classified as EAR99 for export control purposes. The 5552403F additionally carries ROHS3 compliance certification.