Equivalent & Substitute Parts Reference: VCC 4372

Part Overview

The VCC 4372 is a lens cap assembly classified as a clear, wide-angle snap-in lens for general-purpose LED applications. This component features a round domed polycarbonate lens with a 9.9mm diameter and diffused optical characteristics, designed for snap-in mounting configurations.

The 4372 is currently listed as obsolete. Identifying functionally equivalent substitute parts is necessary to maintain design continuity and ensure component availability for ongoing production, repair, and maintenance applications.

Substiute Parts

4372

Visual Communications Company - VCCIn Stock: 7734372 Datasheet

Current PartRFQ

CLB_300_CTP

Visual Communications Company - VCCIn Stock: 56743CLB_300_CTP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the VCC 4372 must satisfy the following criteria based on provided parameters:

Mandatory Compatibility Parameters:

• Mounting Type: Snap-In configuration required
• Material: Polycarbonate construction
• Color: Clear lens
• Number of LEDs: Single LED application
• RoHS Status: ROHS3 Compliant
• MSL Rating: 1 (Unlimited)

Variable Parameters (Allowable Differences):

• Lens Size: May differ based on specific application requirements
• Lens Style: Round configuration with different top profiles acceptable
• Lens Transparency: Diffused or Clear both acceptable for general-purpose applications
• Optical Pattern: Wide or Fresnel Ring patterns both acceptable
• Mounting Configuration: Snap-In with or without panel mount capability

The CLB_300_CTP substitute part meets all mandatory compatibility parameters while introducing variations in lens size (7.11mm vs. 9.9mm), lens style (convex vs. domed), transparency (clear vs. diffused), and optical pattern (Fresnel Ring vs. Wide).

Parameter Comparison

Engineering Selection Recommendations

Primary Consideration: Product Status

The VCC 4372 is classified as obsolete, making the CLB_300_CTP an active substitute option. The CLB_300_CTP maintains current manufacturing status and inventory availability (56,688 units in stock versus 706 units for the 4372).

Regulatory Compliance

Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for new designs and replacements. MSL ratings are identical, indicating equivalent moisture handling characteristics.

Mechanical Compatibility

Both parts utilize polycarbonate construction with snap-in mounting. The CLB_300_CTP offers panel mount capability in addition to snap-in configuration, providing additional application flexibility. The lens diameter difference (7.11mm vs. 9.9mm) requires verification against specific housing and mechanical constraints.

Optical Characteristics

The primary optical difference is lens transparency (diffused vs. clear) and optical pattern (wide vs. Fresnel Ring). These differences affect light distribution and viewing angle characteristics. Application-specific optical requirements must be evaluated against these parameter variations.

Frequently Asked Questions (FAQ)

Q: Can CLB_300_CTP directly replace VCC 4372 in existing assemblies?

A: Mechanical compatibility depends on housing aperture size. The 7.11mm diameter of CLB_300_CTP differs from the 9.9mm diameter of the 4372. Physical fit verification is required before implementation.

Q: What are the optical differences between these parts?

A: The 4372 features diffused transparency with a wide optical pattern, while the CLB_300_CTP provides clear transparency with a Fresnel Ring pattern. These differences affect light scattering and viewing angle characteristics. Application requirements determine acceptability.

Q: Are both parts RoHS compliant?

A: Yes. Both the VCC 4372 and CLB_300_CTP are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements.

Q: What is the inventory status difference?

A: The VCC 4372 has 706 units available (obsolete status). The CLB_300_CTP has 56,688 units in stock (active status), providing significantly greater availability for ongoing production.

Q: Does CLB_300_CTP offer additional mounting options?

A: Yes. The CLB_300_CTP supports both panel mount and snap-in configurations, while the 4372 is snap-in only. This provides additional application flexibility.

Q: What parameters must remain constant for substitution?

A: Mounting type (snap-in), material (polycarbonate), color (clear), LED count (1), and regulatory compliance (ROHS3, MSL 1) must remain constant. Lens size, transparency, and optical pattern variations require application-specific evaluation.