FN15731_RONDA-WAS-B Equivalent & Substitute Parts

Part Overview

The FN15731_RONDA-WAS-B is a clear asymmetrical lens with integrated mount and twist lock mechanism manufactured by Ledil under the Rhonda series. This component is designed for single LED applications with a 69.9mm diameter round profile featuring multiple top geometry and diffused transparency characteristics. The part is classified as obsolete, necessitating identification of active equivalent components to maintain design continuity and ensure supply chain availability for new production and field replacement applications.

Substiute Parts

FN15731_RONDA-WAS-B

LedilIn Stock: 1139FN15731_RONDA-WAS-B Datasheet

Current PartRFQ

F15156_RONDA-WAS

LedilIn Stock: 1053F15156_RONDA-WAS Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the FN15731_RONDA-WAS-B is determined by the following critical parameters that must align between the main part and substitute components:

Primary Compatibility Criteria:

• Lens diameter: 69.9mm
• Material composition: Acrylic
• Color: Clear
• Single LED configuration
• Ledil Rhonda series platform
• RoHS3 compliance
• REACH unaffected status

The substitute part F15156_RONDA-WAS shares the core mechanical envelope (69.9mm diameter), material specification (acrylic), color (clear), and single LED design. Both components maintain identical regulatory compliance (RoHS3 and REACH unaffected). The primary functional difference lies in the mounting mechanism (twist lock versus socket) and optical pattern (asymmetrical versus wide), which represent design trade-offs rather than incompatibilities when integrated into compatible host assemblies.

Parameter Comparison

Engineering Selection Recommendations

For Direct Substitution:

The F15156_RONDA-WAS is classified as the manufacturer-recommended substitute for FN15731_RONDA-WAS-B. Both components share identical mechanical envelope specifications (69.9mm diameter), material composition (acrylic), and regulatory compliance certifications (RoHS3 and REACH unaffected). The F15156_RONDA-WAS maintains active product status, ensuring ongoing availability and supply chain continuity.

Functional Considerations:

The transition from twist lock to socket mounting requires mechanical redesign of the host assembly interface. The shift from asymmetrical to wide optical pattern will alter light distribution characteristics and must be evaluated against application-specific photometric requirements. Both components are compatible with the same LED manufacturers (Bridgelux, Citizen, Cree, Osram, Sharp) specified for the original part.

Compliance and Regulatory:

Both the main part and substitute maintain identical RoHS3 compliance and REACH unaffected status, eliminating regulatory barriers to substitution. Moisture sensitivity level (MSL 1) for the main part indicates unlimited shelf life stability.

Frequently Asked Questions (FAQ)

Q: Can F15156_RONDA-WAS be used as a direct drop-in replacement for FN15731_RONDA-WAS-B?

A: F15156_RONDA-WAS shares the same 69.9mm diameter, acrylic material, and clear color specification. However, the mounting mechanism differs (socket versus twist lock), requiring mechanical interface modification in the host assembly. The optical pattern change (wide versus asymmetrical) will alter light distribution.

Q: What is the primary reason for substitution?

A: FN15731_RONDA-WAS-B is classified as obsolete. F15156_RONDA-WAS is an active product from the same manufacturer and series, providing continued supply availability.

Q: Are there regulatory compliance differences between the two parts?

A: No. Both components are RoHS3 compliant and REACH unaffected, maintaining identical regulatory status.

Q: What packaging format is available for the substitute part?

A: F15156_RONDA-WAS is supplied in tray packaging, compared to the main part's unspecified packaging format.

Q: Will the optical pattern change affect my application?

A: The main part features asymmetrical optical pattern while the substitute provides wide pattern distribution. Application-specific photometric requirements must be evaluated to determine compatibility.

Q: Are both parts compatible with the same LED sources?

A: The main part is specified for use with Bridgelux, Citizen, Cree, Osram, and Sharp LEDs. Compatibility information for the substitute part is not provided in the available specifications.

Q: What is the inventory status for these components?

A: FN15731_RONDA-WAS-B has 1051 pieces in stock (obsolete status). F15156_RONDA-WAS has 1030 pieces in stock (active status).