Cinch Connectivity Solutions 54B Terminal Lug Strip Equivalent & Substitute Parts

Part Overview

The Cinch Connectivity Solutions 54B is a 5-position terminal lug strip (4 + 1 ground) with single-end terminal lugs. This component is classified as obsolete, making equivalent substitutes necessary for ongoing applications and new designs. The 54B features a compact board size of 0.375" W x 0.625" H and utilizes cadmium-finished steel contacts on an XPC board material rated UL94 HB.

Substiute Parts

54B

Cinch Connectivity SolutionsIn Stock: 121354B Datasheet

Current PartRFQ

818

Keystone ElectronicsIn Stock: 1311818 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The Keystone Electronics 818 qualifies as a functional equivalent to the Cinch 54B based on the following critical parameters:

• Number of Positions: Both parts provide 5 positions (4 + 1 ground)
• Terminal Type: Both feature terminal lug, single end configuration
• Number of Rows: Both are single-row designs
• Mounting Hole Diameter: Both specify 0.140" (4.66mm) mounting holes
• Pitch Dimension: The 818 specifies 0.375" (9.53mm) pitch, which aligns with the 54B board width

The substitution is valid for applications requiring equivalent electrical and mechanical connectivity. The 818 is an active product with improved compliance status, making it suitable for replacement in new designs and ongoing production.

Parameter Comparison

Engineering Selection Recommendations

The Keystone Electronics 818 is the direct substitute for the obsolete Cinch 54B. Selection of the 818 is supported by:

• Product Status: The 818 is an active product, ensuring continued availability and supply chain stability
• Compliance: The 818 achieves ROHS3 compliance, whereas the 54B is RoHS non-compliant, making the 818 suitable for applications subject to RoHS regulations
• Mechanical Compatibility: Identical mounting hole diameter (0.140") and single-row, 5-position configuration ensure direct mechanical fit
• Electrical Equivalence: Both parts provide identical position count and terminal lug configuration for equivalent electrical performance

For applications where RoHS compliance is not required, the 54B and 818 are functionally interchangeable. For new designs and regulated applications, the 818 is the preferred selection.

Frequently Asked Questions (FAQ)

Q: Can the Keystone 818 directly replace the Cinch 54B in existing assemblies?

A: Yes. Both parts share identical mounting hole diameter (0.140"), position count (5), and terminal lug configuration. Physical and electrical compatibility is confirmed.

Q: What are the key differences between these parts?

A: The primary differences are product status (54B is obsolete; 818 is active), RoHS compliance (54B is non-compliant; 818 is ROHS3 compliant), board material (XPC vs. XP Phenolic), contact material (steel vs. brass), and contact finish (cadmium vs. tin).

Q: Does the contact material difference affect performance?

A: Contact material and finish differences are within the scope of equivalent substitution for terminal lug strips. Both configurations meet the electrical and mechanical requirements for this product category.

Q: Is the 818 suitable for new product designs?

A: Yes. The 818 is an active product with current availability and improved compliance status, making it the appropriate choice for new designs requiring a 5-position terminal lug strip.

Q: What is the significance of the pitch specification on the 818?

A: The 818 specifies 0.375" (9.53mm) pitch, which corresponds to the board width of the 54B. This dimension confirms mechanical compatibility for mounting and spacing requirements.