QMS-052-05.75-L-D-A-TR Equivalent & Substitute Parts

Part Overview

The QMS-052-05.75-L-D-A-TR is a 104-position connector header from Samtec Inc.'s Power Q2™ QMS series, designed for surface mount applications with outer shroud contacts and gold plating. This component is classified as Active product status and is fully RoHS3 compliant. Substitute parts are identified when packaging or stocking configurations differ while maintaining identical electrical and mechanical specifications, allowing for procurement flexibility and supply chain optimization.

Substiute Parts

QMS-052-05.75-L-D-A-TR

Samtec Inc.In Stock: 876QMS-052-05.75-L-D-A-TR Datasheet

Current PartRFQ

QMS-052-05.75-L-D-A

Samtec Inc.In Stock: 1111QMS-052-05.75-L-D-A Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the QMS-052-05.75-L-D-A-TR is determined by strict equivalence across the following critical parameters:

• Number of Positions: 104
• Pitch: 0.025" (0.64mm)
• Number of Rows: 2
• Mounting Type: Surface Mount
• Contact Finish: Gold
• Contact Finish Thickness: 10.0µin (0.25µm)
• Features: Board Guide, Ground Bus (Plane)
• Mated Stacking Heights: 10mm, 12mm
• Series: Power Q2™ QMS
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

The identified substitute part differs only in packaging configuration (Tape & Reel versus Tray) and height above board specification, which do not affect functional or electrical compatibility in the application circuit.

Parameter Comparison

Engineering Selection Recommendations

Both the QMS-052-05.75-L-D-A-TR and QMS-052-05.75-L-D-A maintain Active product status with full ROHS3 compliance and identical electrical specifications. Selection between these parts is determined by packaging requirements and procurement volume. The Tape & Reel (TR) packaging of the main part is suitable for automated assembly processes, while the Tray packaging of the substitute part accommodates manual handling or lower-volume applications. The 0.015" (0.38mm) difference in height above board between the two variants does not affect functional compatibility when the mated stacking heights of 10mm and 12mm are maintained within the application design envelope.

Frequently Asked Questions (FAQ)

Q: Can QMS-052-05.75-L-D-A be used as a direct replacement for QMS-052-05.75-L-D-A-TR?

A: Yes. Both parts are electrically and mechanically equivalent across all critical parameters including position count, pitch, contact finish, and compliance certifications. The difference is packaging format only.

Q: What is the significance of the packaging difference between Tape & Reel and Tray?

A: Tape & Reel (TR) packaging is optimized for high-speed automated pick-and-place assembly equipment. Tray packaging is used for manual assembly, lower-volume production, or when automated equipment is not available. The component itself is identical.

Q: Does the height above board difference affect compatibility?

A: The 0.015" (0.38mm) difference in height above board (0.212" versus 0.227") does not affect functional compatibility. Both variants operate within the specified mated stacking heights of 10mm and 12mm. Design clearance verification is recommended for applications with tight vertical constraints.

Q: Are both parts RoHS3 compliant?

A: Yes. Both QMS-052-05.75-L-D-A-TR and QMS-052-05.75-L-D-A are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited).

Q: Which part should be selected for high-volume automated assembly?

A: The QMS-052-05.75-L-D-A-TR in Tape & Reel packaging is the standard choice for automated assembly processes. The QMS-052-05.75-L-D-A in Tray packaging is selected when automated equipment is unavailable or for lower-volume requirements.