FN15737_RONDA-WWW-B Equivalent & Substitute Parts

Part Overview

The FN15737_RONDA-WWW-B is a lens with integrated mount manufactured by Ledil, designed for single LED applications with asymmetrical optical characteristics. This component features a clear acrylic construction with a 69.9mm diameter round flat-top design and twist lock mounting mechanism, providing a 78° to 90° viewing angle range.

The FN15737_RONDA-WWW-B is classified as obsolete. Identification of equivalent and substitute parts is necessary to maintain design continuity and ensure component availability for ongoing production, maintenance, and field replacement requirements.

Substiute Parts

FN15737_RONDA-WWW-B
FN15737_RONDA-WWW-B
Current Part
F15157_RONDA-WWW
LedilIn Stock: 755F15157_RONDA-WWW Datasheet
F15157_RONDA-WWW
MFR Recommended

Key Parameters

Parameter Value
Manufacturer Part Number FN15737_RONDA-WWW-B
Manufacturer Ledil
Series Rhonda
Product Status Obsolete
Type Lens with Integrated Mount
Lens Size 69.9mm Dia
Color Clear
Lens Style Round with Flat Top
Viewing Angle 78° ~ 90°
Optical Pattern Asymmetrical
Material Acrylic
Mounting Type Twist Lock
Number of LEDs 1
RoHS Status ROHS3 Compliant
REACH Status REACH Unaffected
MSL Rating 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the FN15737_RONDA-WWW-B is determined by the following critical parameters:

Mechanical Compatibility Parameters:

  • Lens diameter: 69.9mm
  • Lens style: Round with flat top
  • Material composition: Acrylic
  • Single LED application

Optical Parameters:

  • Color: Clear
  • Viewing angle range: 78° to 90°
  • Optical pattern characteristics

Mounting Interface:

  • Mounting mechanism type
  • Physical integration with LED source

Regulatory Compliance:

  • RoHS3 compliance requirement
  • REACH compliance status
  • MSL rating compatibility

The substitute part F15157_RONDA-WWW shares the same lens diameter (69.9mm), material (acrylic), color (clear), and lens style (round with flat top). Both components are manufactured by Ledil within the Ronda series and maintain RoHS3 and REACH compliance. The primary difference lies in the mounting type (socket versus twist lock) and optical pattern specification (wide versus asymmetrical).

Parameter Comparison

Parameter FN15737_RONDA-WWW-B (Main Part) F15157_RONDA-WWW (Substitute)
Manufacturer Ledil Ledil
Series Rhonda Ronda
Product Status Obsolete Active
Type Lens with Integrated Mount Lens
Lens Size 69.9mm Dia 69.9mm Dia
Color Clear Clear
Lens Style Round with Flat Top Round with Flat Top
Viewing Angle 78° ~ 90° 90°
Optical Pattern Asymmetrical Wide
Material Acrylic Acrylic
Mounting Type Twist Lock Socket
Number of LEDs 1 1
RoHS Status ROHS3 Compliant ROHS3 Compliant
REACH Status REACH Unaffected REACH Unaffected
Packaging - Tray

Engineering Selection Recommendations

Regulatory Compliance: Both the FN15737_RONDA-WWW-B and F15157_RONDA-WWW maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for electronic component applications.

Product Status Consideration: The FN15737_RONDA-WWW-B is classified as obsolete. The F15157_RONDA-WWW maintains active product status with documented inventory availability (690 pieces), ensuring supply chain continuity and long-term component sourcing capability.

Mechanical Interface: Selection between these components requires evaluation of the mounting interface requirements. The FN15737_RONDA-WWW-B employs twist lock mounting, while F15157_RONDA-WWW utilizes socket mounting. The mechanical compatibility of the mounting interface with the LED source assembly is a critical selection criterion.

Optical Characteristics: The FN15737_RONDA-WWW-B provides asymmetrical optical distribution within a 78° to 90° viewing angle range. The F15157_RONDA-WWW provides wide optical distribution at 90° viewing angle. Applications requiring specific asymmetrical light distribution patterns may require optical performance validation.

Physical Dimensions: Both components share identical lens diameter (69.9mm) and lens style specifications, ensuring mechanical fit compatibility with existing optical mounting structures.

Frequently Asked Questions (FAQ)

Q: Can F15157_RONDA-WWW directly replace FN15737_RONDA-WWW-B in existing assemblies?

A: Direct mechanical replacement requires compatibility verification of the mounting interface. The FN15737_RONDA-WWW-B uses twist lock mounting while F15157_RONDA-WWW uses socket mounting. The LED source assembly must accommodate the socket mounting type. Lens diameter and style are identical (69.9mm round with flat top).

Q: What are the optical differences between these components?

A: The FN15737_RONDA-WWW-B provides asymmetrical optical distribution across a 78° to 90° viewing angle range. The F15157_RONDA-WWW provides wide optical distribution at 90° viewing angle. Applications with specific directional light distribution requirements should evaluate optical pattern compatibility.

Q: Are both components compliant with current regulatory standards?

A: Both components are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component applications.

Q: What is the inventory status of these components?

A: The FN15737_RONDA-WWW-B (obsolete) has 1154 pieces available. The F15157_RONDA-WWW (active) has 690 pieces available. The active status of F15157_RONDA-WWW provides assurance of continued availability for future procurement.

Q: Are the material specifications identical?

A: Both components are manufactured from acrylic material with clear color specification, ensuring optical and environmental performance consistency.

Q: What packaging formats are available?

A: The F15157_RONDA-WWW is supplied in tray packaging. Packaging specification for FN15737_RONDA-WWW-B is not specified in available documentation.

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