Equivalent & Substitute Parts Reference: VCC 4337 Yellow Lens Cap

Part Overview

The VCC 4337 is a yellow lens cap with snap-in mounting designed for general-purpose LED applications. This component features a round lens with flat top geometry and wide optical pattern characteristics. The product is classified as obsolete, necessitating identification of active equivalent components to maintain supply chain continuity and support ongoing production requirements.

Substiute Parts

4337

Visual Communications Company - VCCIn Stock: 11474337 Datasheet

Current PartRFQ

SML_190_YTP

Visual Communications Company - VCCIn Stock: 1805SML_190_YTP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the VCC 4337 is determined by the following critical parameters:

Primary Compatibility Criteria:

• Color: Yellow
• Lens Style: Round with Flat Top
• Material: Polycarbonate
• Mounting Type: Snap-In (primary requirement)
• Lens Size: 4.83mm Diameter (tolerance range: 4.83mm to 4.9mm acceptable)
• RoHS Compliance: ROHS3 Compliant

Secondary Considerations:

• Optical Pattern: Wide or Fresnel Ring patterns are functionally compatible for general-purpose applications
• Lens Transparency: Clear or unspecified transparency acceptable

The substitute part SML_190_YTP meets all primary compatibility criteria while maintaining equivalent electrical and mechanical performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: SML_190_YTP

The SML_190_YTP is the designated equivalent for the obsolete VCC 4337. This substitution is supported by:

• Active product status ensuring ongoing availability and supply chain support
• Identical manufacturer origin (Visual Communications Company - VCC)
• Matching RoHS3 compliance certification
• Equivalent mechanical interface (snap-in mounting with panel mount capability)
• Compatible lens geometry (round flat-top design, 4.9mm diameter within tolerance of 4.83mm specification)
• Polycarbonate material consistency
• Yellow color specification match

The SML_190_YTP provides functional equivalence for general-purpose LED applications while maintaining compliance with current regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can SML_190_YTP directly replace VCC 4337 in existing assemblies?

A: Yes. Both components share identical mounting type (snap-in), lens style (round with flat top), material (polycarbonate), and color (yellow). The lens diameter difference (4.9mm versus 4.83mm) falls within acceptable mechanical tolerance for snap-in mounting interfaces.

Q: What is the difference between "Wide" optical pattern and "Fresnel Ring" optical pattern?

A: Both patterns are optical diffusion designs for general-purpose LED applications. The Wide pattern provides standard light diffusion, while Fresnel Ring pattern uses concentric ring geometry for light distribution. Both are functionally compatible for general-purpose use cases.

Q: Are there packaging differences between the main part and substitute?

A: The VCC 4337 is packaged as standard snap-in component. The SML_190_YTP is supplied in bulk packaging. Both components are identical in form factor and mounting interface; packaging difference affects only procurement and handling logistics.

Q: Does the substitute maintain RoHS compliance?

A: Yes. The SML_190_YTP is ROHS3 compliant, matching the compliance status of the obsolete VCC 4337.

Q: Why is the VCC 4337 classified as obsolete?

A: Product obsolescence reflects manufacturer discontinuation. The SML_190_YTP represents the active equivalent component for continued production support.