QR/P1-8P-C(51) Equivalent & Substitute Parts

Part Overview

The QR/P1-8P-C(51) is an 8-position housing for male pins connector manufactured by Hirose Electric Co., Ltd., designed for rack and panel backplane applications. This connector features a black panel mount configuration with guide pin support and is classified as obsolete. Due to its obsolete product status, identifying equivalent active alternatives is essential for ongoing system maintenance, repairs, and new design implementations where this connector type is required.

Substiute Parts

QR/P1-8P-C(51)

Hirose Electric Co., Ltd.In Stock: 1037QR/P1-8P-C(51) Datasheet

Current PartRFQ

QR/P1-8P-C(21)

Hirose Electric Co LtdIn Stock: 1027QR/P1-8P-C(21) Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The QR/P1-8P-C(21) qualifies as a direct substitute for the QR/P1-8P-C(51) based on the following critical parameters that determine functional equivalence:

• Connector Type: Both are housings for male pins
• Number of Positions: Both feature 8 positions
• Number of Rows: Both are configured with 2 rows
• Connector Style: Both are rack and panel connectors
• Mounting Type: Both are panel mount
• Connector Usage: Both are plugs
• Features: Both include guide pin support
• Color: Both are black
• Series: Both belong to the QR/P1 series
• RoHS Compliance: Both are RoHS compliant
• MSL Rating: Both have MSL 1 (Unlimited)
• ECCN/HTSUS Classification: Both share identical trade classifications

The primary distinction is product status: QR/P1-8P-C(51) is obsolete, while QR/P1-8P-C(21) is active and currently in production.

Parameter Comparison

Engineering Selection Recommendations

The QR/P1-8P-C(21) is the appropriate selection for applications currently using or requiring the QR/P1-8P-C(51). Both connectors maintain identical electrical and mechanical specifications across all critical parameters. The QR/P1-8P-C(21) carries active product status with current manufacturing support, ensuring availability for new designs and ongoing system maintenance. Both parts maintain RoHS compliance and identical MSL ratings, confirming environmental and regulatory equivalence. The substitution is direct with no design modifications required.

Frequently Asked Questions (FAQ)

Q: Can QR/P1-8P-C(21) be used as a direct replacement for QR/P1-8P-C(51)?

A: Yes. Both connectors share identical specifications for connector type, position count, row configuration, pitch, mounting method, and mechanical features. No design changes are required for substitution.

Q: What is the primary reason for substituting QR/P1-8P-C(51)?

A: The QR/P1-8P-C(51) is classified as obsolete. The QR/P1-8P-C(21) is the active equivalent that ensures continued availability and manufacturing support.

Q: Are there any compliance differences between these parts?

A: No. Both parts are RoHS compliant, share identical MSL ratings (1 - Unlimited), and carry the same ECCN and HTSUS classifications.

Q: What is the packaging difference?

A: QR/P1-8P-C(51) packaging information is not specified in available data. QR/P1-8P-C(21) is supplied in bulk packaging.

Q: Do these connectors include contacts?

A: No. Both QR/P1-8P-C(51) and QR/P1-8P-C(21) are housings only. Contacts must be sourced separately.

Q: Are there any mechanical or electrical performance differences?

A: No differences exist in the provided specifications. Both are 8-position, 2-row, panel mount housings for male pins with guide pin features and identical pitch specifications.