Equivalent & Substitute Parts for VCC 37 Incandescent Lamp

Part Overview

The VCC 37 is a T1-3/4 incandescent lamp with a wedge base, rated at 14V and producing 0.5 MSCP (Mean Spherical Candle Power). This component is classified as "Not For New Designs," indicating it is a legacy product. Finding equivalent or substitute parts is necessary for maintenance applications, field replacements, and systems currently utilizing this lamp type where continued supply from the original manufacturer may be limited.

Substiute Parts

37

Visual Communications Company - VCCIn Stock: 93037 Datasheet

Current PartRFQ

E85

CEC IndustriesIn Stock: 1087E85 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The CEC Industries E85 lamp is listed as a substitute for the VCC 37. However, substitution analysis reveals significant parameter differences that must be evaluated for specific applications:

Substitution Logic Based on Provided Parameters:

• Lead Style Match: Both parts feature wedge base construction, enabling mechanical compatibility with wedge-base sockets.
• Voltage Difference: The VCC 37 operates at 14V, while the CEC E85 operates at 28V. These are not interchangeable in the same circuit without voltage adjustment.
• Light Output Difference: The VCC 37 produces 0.5 MSCP; the CEC E85 produces 0.3 MSCP. The substitute provides lower light intensity.
• Lens Size Difference: The VCC 37 is T1-3/4; the CEC E85 is T-1.5 with base W2X4.6D. Physical dimensions differ.
• Regulatory Compliance: Both parts carry EAR99 ECCN classification and comply with applicable trade regulations.

Substitution is only valid when:

• The application circuit can accommodate 28V operation (or voltage conversion is implemented)
• Reduced light output (0.3 MSCP vs. 0.5 MSCP) is acceptable
• The T-1.5 lens size and W2X4.6D base fit the mechanical envelope

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Same Circuit): The CEC E85 cannot be used as a direct replacement in circuits designed for the VCC 37 due to voltage rating mismatch (28V vs. 14V). Direct substitution would result in component failure or circuit malfunction.

For Voltage-Adjusted Applications: If the application circuit is modified to supply 28V to the lamp socket, the CEC E85 becomes mechanically compatible via its wedge base. However, the reduced light output (0.3 MSCP vs. 0.5 MSCP) must be evaluated against application requirements.

Compliance Considerations: The CEC E85 carries Active product status, whereas the VCC 37 is designated "Not For New Designs." For new system designs, the CEC E85 is the preferred component. For legacy system maintenance, the VCC 37 remains available in inventory (874 Pcs).

Regulatory Alignment: Both parts are EAR99 classified and comply with applicable export control regulations. The CEC E85 does not carry an MSL rating, indicating it is not moisture-sensitive during standard handling and storage.

Frequently Asked Questions (FAQ)

Q: Can the CEC E85 replace the VCC 37 in an existing 14V circuit? A: No. The CEC E85 is rated for 28V operation. Applying 14V to the E85 will result in insufficient light output or non-operation. Applying 28V to a 14V circuit will damage the VCC 37 if it remains installed.

Q: What is the primary difference between these two lamps? A: The primary differences are voltage rating (14V vs. 28V), light output (0.5 MSCP vs. 0.3 MSCP), and lens size (T1-3/4 vs. T-1.5). Both share wedge base construction.

Q: Are both lamps RoHS compliant? A: The VCC 37 is ROHS3 compliant. The CEC E85 compliance status is not specified in the provided parameters.

Q: Which lamp should be selected for a new design? A: The CEC E85 should be selected for new designs, as it carries Active product status. The VCC 37 is designated "Not For New Designs."

Q: What is the inventory status for each part? A: VCC 37: 874 Pcs New Original In Stock. CEC E85: 995 Pcs New Original In Stock.

Q: Can these lamps be used interchangeably in different voltage systems? A: No. Each lamp is designed for its specified voltage rating. Using a lamp at a different voltage will result in incorrect operation, reduced lifespan, or component failure.