QTH-040-04-L-D-DP-A-TR Equivalent & Substitute Parts

Part Overview

The QTH-040-04-L-D-DP-A-TR is an 80-position differential pair array connector manufactured by Samtec Inc. as part of the Q Strip® QTH series. This surface mount male connector features gold-plated contacts and is designed for high-density interconnect applications requiring differential signaling. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified based on identical electrical and mechanical specifications with variations limited to packaging configuration.

Substiute Parts

QTH-040-04-L-D-DP-A-TR

Samtec Inc.In Stock: 765QTH-040-04-L-D-DP-A-TR Datasheet

Current PartRFQ

QTH-040-04-L-D-DP-A

Samtec Inc.In Stock: 1081QTH-040-04-L-D-DP-A Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the QTH-040-04-L-D-DP-A-TR is determined by strict equivalence across the following critical parameters:

• Connector type and gender (Differential Pair Array, Male)
• Position count (80 positions)
• Pitch specification (0.020" / 0.50mm)
• Row configuration (2 rows)
• Mounting technology (Surface Mount)
• Contact material and finish (Gold, 10.0µin thickness)
• Physical dimensions (Height above board, mated stacking height)
• Feature set (Board Guide, Ground Bus)
• Compliance certifications (ROHS3, MSL 1)

The identified substitute part differs only in packaging configuration (Tape & Reel versus Tray), which does not affect electrical or mechanical compatibility. All other specifications remain identical.

Parameter Comparison

Engineering Selection Recommendations

Both the QTH-040-04-L-D-DP-A-TR and QTH-040-04-L-D-DP-A are active production parts with identical ROHS3 compliance and MSL 1 ratings. Selection between these parts is determined by packaging requirements and supply chain logistics rather than electrical or mechanical performance. The Tape & Reel packaging (TR suffix) is suitable for automated assembly processes, while Tray packaging accommodates manual handling and alternative assembly workflows. Both configurations deliver equivalent component performance in differential pair array applications.

Frequently Asked Questions (FAQ)

Q: Can QTH-040-04-L-D-DP-A be used as a direct replacement for QTH-040-04-L-D-DP-A-TR?

A: Yes. Both parts are electrically and mechanically identical. The only difference is packaging format (Tray versus Tape & Reel). Direct substitution is valid provided the receiving assembly process accommodates the alternative packaging configuration.

Q: What determines compatibility between these connector variants?

A: Compatibility is ensured through matching specifications across connector type, position count, pitch, row configuration, mounting technology, contact material, physical dimensions, and feature set. Both parts meet these criteria identically.

Q: Does packaging format affect connector performance?

A: No. Packaging format affects only handling, storage, and assembly process compatibility. Electrical and mechanical performance remain unchanged between Tape & Reel and Tray configurations.

Q: Are both parts compliant with current regulatory requirements?

A: Yes. Both QTH-040-04-L-D-DP-A-TR and QTH-040-04-L-D-DP-A carry ROHS3 compliance certification and MSL 1 rating, meeting current environmental and reliability standards.

Q: What is the significance of the 0.020" pitch specification?

A: The 0.020" (0.50mm) pitch defines the center-to-center spacing between contact positions. This specification is identical across both parts and is critical for PCB footprint compatibility and mating interface alignment.