QR/P-16S-C(51) Equivalent & Substitute Parts

Part Overview

The QR/P-16S-C(51) is a 16-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 models essential for procurement and system continuity.

Substiute Parts

QR/P-16S-C(51)

Hirose Electric Co LtdIn Stock: 952QR/P-16S-C(51) Datasheet

Current PartRFQ

QR/P-16S-C(21)

Hirose Electric Co LtdIn Stock: 808QR/P-16S-C(21) Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the QR/P-16S-C(51) is determined by strict equivalence across the following critical parameters:

• Connector Type: Housing for Female Sockets
• Number of Positions: 16
• Pitch: 0.177" (4.50mm)
• Number of Rows: 2
• Connector Style: Rack and Panel
• Mounting Type: Panel Mount
• Color: Blue
• Features: Mating Guide
• RoHS Status: RoHS Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

The QR/P-16S-C(21) meets all substitution criteria as an active product within the same QR/P series, maintaining identical electrical and mechanical specifications while offering current availability.

Parameter Comparison

Engineering Selection Recommendations

The QR/P-16S-C(21) is the direct active equivalent for the obsolete QR/P-16S-C(51). Both parts maintain identical electrical and mechanical specifications, including connector configuration, pitch, row arrangement, and mounting characteristics. The QR/P-16S-C(21) carries active product status with current inventory availability (710 pcs), ensuring supply chain continuity. Both parts are RoHS compliant and classified under identical export control (EAR99) and tariff (HTSUS 8536.69.4030) categories. Selection of the QR/P-16S-C(21) eliminates obsolescence risk while preserving full functional and physical compatibility.

Frequently Asked Questions (FAQ)

Q: Can QR/P-16S-C(21) directly replace QR/P-16S-C(51) in existing designs?

A: Yes. The QR/P-16S-C(21) is electrically and mechanically identical to the QR/P-16S-C(51) across all specified parameters, including connector type, position count, pitch, row configuration, mounting method, and color. No design modification is required.

Q: What is the difference between QR/P-16S-C(51) and QR/P-16S-C(21)?

A: The primary difference is product status. The QR/P-16S-C(51) is obsolete, while the QR/P-16S-C(21) is active. Both parts are functionally and physically equivalent. The packaging differs (QR/P-16S-C(51) is unspecified; QR/P-16S-C(21) is bulk), but this does not affect connector performance or compatibility.

Q: Are both parts RoHS compliant?

A: Yes. Both the QR/P-16S-C(51) and QR/P-16S-C(21) are RoHS compliant with MSL rating of 1 (Unlimited), meeting environmental and regulatory requirements.

Q: Why should I transition from QR/P-16S-C(51) to QR/P-16S-C(21)?

A: The QR/P-16S-C(51) is classified as obsolete, creating long-term supply and support risks. The QR/P-16S-C(21) is an active product with confirmed inventory, ensuring reliable procurement for current and future production needs.

Q: Are there any compatibility concerns with the mating guide feature?

A: No. Both parts include mating guide functionality as a standard feature, ensuring consistent connector alignment and performance in rack and panel applications.