Dialight 5505308F LED Circuit Board Indicator - Equivalent & Substitute Parts

Part Overview

The Dialight 5505308F is a yellow diffused LED circuit board indicator (CBI) designed for through-hole, right-angle mounting applications. This component features a 5mm T-1 3/4 form factor with a round domed lens and is rated for 25mA operation at 2.2V. The part is classified as obsolete, making identification of suitable substitute components essential for ongoing design support and production continuity.

Substiute Parts

5505308F

DialightIn Stock: 11665505308F Datasheet

Current PartRFQ

5502308F

DialightIn Stock: 8375502308F Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 5505308F is based on the following critical parameters that must remain consistent:

• Form Factor & Mounting: 5mm T-1 3/4 through-hole, right-angle configuration
• Optical Properties: Yellow diffused lens with round domed top
• Electrical Compatibility: Single LED configuration with compatible voltage and current ratings
• Compliance: ROHS3 compliance and REACH unaffected status

The Dialight 5502308F qualifies as a manufacturer-recommended substitute. While this part operates at slightly lower current (20mA vs. 25mA) and voltage (2V vs. 2.2V), it maintains the same physical form factor, mounting orientation, and optical characteristics. The substitute part is active in production, ensuring long-term availability.

Parameter Comparison

Engineering Selection Recommendations

The 5502308F is the manufacturer-recommended substitute for the obsolete 5505308F. Both components maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory continuity. The substitute part is currently in active production with confirmed inventory availability.

The 5502308F operates at lower current and voltage specifications (20mA at 2V versus 25mA at 2.2V), which may require circuit design review to confirm compatibility with existing current-limiting resistor networks. The substitute delivers significantly higher luminous intensity (800mcd versus 34mcd) and a wider viewing angle (70° versus 50°), characteristics that may provide improved visibility in the target application.

Frequently Asked Questions (FAQ)

Q: Can the 5502308F directly replace the 5505308F without circuit modifications?

A: Physical and optical compatibility is confirmed. However, the lower current rating (20mA vs. 25mA) and voltage rating (2V vs. 2.2V) require verification that existing current-limiting resistor values remain appropriate for the substitute part's electrical characteristics.

Q: What are the key differences between these parts?

A: The primary differences are current rating, voltage rating, luminous intensity, and viewing angle. Both parts share identical form factor, mounting type, lens configuration, and compliance certifications.

Q: Is the 5502308F available for production use?

A: Yes. The 5502308F is classified as active product status with confirmed inventory in stock, ensuring availability for new designs and production orders.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both the 5505308F and 5502308F are ROHS3 compliant and REACH unaffected, maintaining equivalent regulatory standing.

Q: What is the wavelength difference between these parts?

A: The 5505308F has a peak wavelength of 585nm, while the 5502308F is specified at 583nm. This 2nm difference is within the yellow LED spectrum and represents negligible visual variation.