QMSS-052-01-H-D-EM2 Equivalent & Substitute Parts

Part Overview

The QMSS-052-01-H-D-EM2 is a 104-position rectangular connector header manufactured by Samtec Inc. as part of the Q2™ QMSS series. This surface mount connector features outer shroud contacts with gold plating and is designed for high-density interconnect applications requiring board-level connectivity. The part is currently in active production status with full RoHS3 compliance and MSL 1 rating, indicating broad compatibility with modern manufacturing processes and storage conditions.

Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity while maintaining electrical and mechanical compatibility with the original design specification.

Substiute Parts

QMSS-052-01-H-D-EM2

Samtec Inc.In Stock: 1095QMSS-052-01-H-D-EM2 Datasheet

Current PartRFQ

QMSS-052-06.75-H-D-A-GP

Samtec Inc.In Stock: 1065QMSS-052-06.75-H-D-A-GP Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the QMSS-052-01-H-D-EM2 are identified based on strict electrical and mechanical parameter matching within the Q2™ QMSS series. The substitution criteria are:

• Identical connector type (Header, Outer Shroud Contacts)
• Identical number of positions (104)
• Identical pitch specification (0.025" / 0.64mm)
• Identical number of rows (2)
• Identical mounting type (Surface Mount)
• Identical contact finish material and thickness (Gold, 30.0µin)
• Identical mated stacking height (11mm)
• Identical height above board (0.265" / 6.73mm)
• Identical feature set (Board Guide, Ground Bus, Shielded)
• Identical compliance certifications (ROHS3, MSL 1)

Parts meeting all these criteria are electrically and mechanically interchangeable at the board level and connector interface.

Parameter Comparison

Engineering Selection Recommendations

Both the QMSS-052-01-H-D-EM2 and QMSS-052-06.75-H-D-A-GP are active production parts from Samtec Inc. with identical electrical and mechanical specifications. Both parts carry ROHS3 compliance certification and MSL 1 rating, confirming suitability for current manufacturing and assembly environments without special handling requirements.

Selection between these parts may be based on procurement availability, lead time, inventory position, or supply chain strategy, as they are fully interchangeable at the board and connector interface level.

Frequently Asked Questions (FAQ)

Q: Are QMSS-052-01-H-D-EM2 and QMSS-052-06.75-H-D-A-GP mechanically interchangeable?

A: Yes. Both parts share identical connector type, position count, pitch, row configuration, mounting type, and physical dimensions. They are mechanically interchangeable in any application designed for the QMSS-052 base product number.

Q: Are these parts electrically interchangeable?

A: Yes. Both parts have identical contact finish material, finish thickness, and feature set (Board Guide, Ground Bus, Shielded). Electrical performance and signal integrity characteristics are equivalent.

Q: Do both parts meet the same compliance requirements?

A: Yes. Both parts are ROHS3 compliant and carry MSL 1 rating. They meet identical environmental and regulatory requirements for modern manufacturing and assembly processes.

Q: Can I substitute one part for the other in existing designs?

A: Yes. The parts are fully substitutable. No design changes, PCB modifications, or assembly process adjustments are required.

Q: What is the difference between these two part numbers?

A: The part numbers reflect different internal Samtec product configurations or manufacturing batches within the Q2™ QMSS series. All specified electrical and mechanical parameters are identical.