QR/P-4P-C(01) Equivalent & Substitute Parts Reference

Part Overview

The QR/P-4P-C(01) is a 4-position housing connector for male pins manufactured by Hirose Electric Co Ltd, designed for rack and panel applications. This backplane connector features a blue panel mount configuration with guide pin support and is classified as obsolete. Due to its obsolete product status, identifying equivalent substitute parts is essential for system maintenance, repair, and component sourcing continuity.

Substiute Parts

QR/P-4P-C(01)

Hirose Electric Co LtdIn Stock: 1044QR/P-4P-C(01) Datasheet

Current PartRFQ

QR/P-4P-C(21)

Hirose Electric Co LtdIn Stock: 1147QR/P-4P-C(21) Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the QR/P-4P-C(01) is determined by strict equivalence across the following critical parameters:

• Connector Type: Housing for Male Pins
• Number of Positions: 4
• Pitch: 0.177" (4.50mm)
• Number of Rows: 2
• Connector Style: Rack and Panel
• Mounting Type: Panel Mount
• Connector Usage: Plug
• Color: Blue
• Features: Guide Pin
• Base Product Number: QR/P series

The substitute part QR/P-4P-C(21) maintains identical electrical and mechanical specifications across all critical parameters, ensuring direct functional equivalence. The primary distinction is product status: QR/P-4P-C(01) is obsolete, while QR/P-4P-C(21) is active, with improved inventory availability.

Parameter Comparison

Engineering Selection Recommendations

The QR/P-4P-C(21) is the direct substitute for QR/P-4P-C(01). Both parts are manufactured by Hirose Electric Co Ltd and maintain identical electrical and mechanical specifications. The QR/P-4P-C(21) offers the advantage of active product status, ensuring continued manufacturer support and availability. Both parts are RoHS compliant and carry MSL rating 1, meeting environmental and reliability requirements. Selection between these parts should be based on inventory availability and supply chain continuity requirements.

Frequently Asked Questions (FAQ)

Q: Can QR/P-4P-C(21) be used as a direct replacement for QR/P-4P-C(01)?

A: Yes. Both parts are identical in connector type, position count, pitch, row configuration, mounting style, and color. They are functionally equivalent for rack and panel applications.

Q: What is the difference between QR/P-4P-C(01) and QR/P-4P-C(21)?

A: The primary difference is product status. QR/P-4P-C(01) is obsolete, while QR/P-4P-C(21) is active. QR/P-4P-C(21) also has higher inventory availability (1104 pcs vs. 934 pcs).

Q: Are both parts RoHS compliant?

A: Yes. Both QR/P-4P-C(01) and QR/P-4P-C(21) are RoHS compliant.

Q: What is the packaging difference?

A: QR/P-4P-C(01) packaging is not specified. QR/P-4P-C(21) is supplied in bulk packaging.

Q: Do these connectors include contacts?

A: No. Both parts are housings only. Contacts are not included and must be sourced separately.

Q: What is the moisture sensitivity level for these parts?

A: Both parts carry MSL rating 1 (Unlimited), indicating no moisture sensitivity restrictions.