QR/P-12S-C(51) Equivalent & Substitute Parts

Part Overview

The QR/P-12S-C(51) is a 12-position housing for female sockets connector manufactured by Hirose Electric Co Ltd, designed for rack and panel applications. This connector features a blue panel mount configuration with a 0.177" (4.50mm) pitch and mating guide functionality. The part is classified as obsolete, making identification of active equivalent components essential for ongoing procurement and system maintenance. Substitute parts must maintain identical electrical and mechanical specifications to ensure direct interchangeability without design modification.

Substiute Parts

QR/P-12S-C(51)

Hirose Electric Co LtdIn Stock: 718QR/P-12S-C(51) Datasheet

Current PartRFQ

QR/P-12S-C(21)

Hirose Electric Co LtdIn Stock: 847QR/P-12S-C(21) Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the QR/P-12S-C(51) is determined by strict equivalence across the following critical parameters:

• Connector Type: Housing for Female Sockets (must match exactly)
• Number of Positions: 12 (electrical interface requirement)
• Pitch: 0.177" (4.50mm) (mechanical alignment requirement)
• Number of Rows: 2 (physical layout requirement)
• Connector Style: Rack and Panel (application requirement)
• Mounting Type: Panel Mount (installation requirement)
• Connector Usage: Receptacle (functional requirement)
• Color: Blue (specification requirement)
• Features: Mating Guide (operational requirement)

The QR/P-12S-C(21) meets all substitution criteria as an active product from the same manufacturer and series, differing only in product status and packaging configuration.

Parameter Comparison

Engineering Selection Recommendations

The QR/P-12S-C(21) is the direct substitute for the obsolete QR/P-12S-C(51). Both components are manufactured by Hirose Electric Co Ltd within the QR/P series and maintain identical electrical and mechanical specifications across all critical parameters.

Product Status Consideration: The QR/P-12S-C(51) is classified as obsolete, while the QR/P-12S-C(21) maintains active product status. This distinction ensures continued availability and manufacturing support for the substitute part.

Compliance Status: Both parts maintain equivalent environmental compliance. The QR/P-12S-C(51) is RoHS Compliant, while the QR/P-12S-C(21) is ROHS3 Compliant, representing an advancement in regulatory alignment. Both parts carry MSL 1 (Unlimited) rating and identical ECCN and HTSUS classifications.

Packaging Consideration: The QR/P-12S-C(51) is supplied in standard packaging, while the QR/P-12S-C(21) is supplied in bulk packaging. Packaging selection should align with procurement volume requirements and inventory management practices.

Frequently Asked Questions (FAQ)

Q: Can the QR/P-12S-C(21) be used as a direct replacement for the QR/P-12S-C(51)?

A: Yes. The QR/P-12S-C(21) is a direct substitute. All electrical and mechanical parameters are identical, including connector type, position count, pitch, row configuration, mounting style, and color specification.

Q: What is the primary reason for substitution?

A: The QR/P-12S-C(51) is classified as obsolete. The QR/P-12S-C(21) is an active product from the same manufacturer and series, ensuring ongoing availability and manufacturing support.

Q: Are there any compliance differences between these parts?

A: Both parts maintain equivalent environmental compliance. The QR/P-12S-C(21) carries ROHS3 Compliant status compared to RoHS Compliant for the QR/P-12S-C(51), representing an advancement in regulatory alignment. Both maintain MSL 1 (Unlimited) rating.

Q: Does packaging differ between these parts?

A: Yes. The QR/P-12S-C(51) is supplied in standard packaging, while the QR/P-12S-C(21) is supplied in bulk packaging. Packaging selection should align with procurement volume and inventory requirements.

Q: Are contacts included with either part?

A: No. Both the QR/P-12S-C(51) and QR/P-12S-C(21) are housing components supplied without contacts. Contacts must be sourced separately.

Q: What are the critical parameters for substitution eligibility?

A: Substitution requires equivalence across connector type, position count (12), pitch (0.177"/4.50mm), row configuration (2), connector style (Rack and Panel), mounting type (Panel Mount), usage (Receptacle), color (Blue), and features (Mating Guide).