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QMS-026-05.75-L-D-A

QMS-026-05.75-L-D-A

Samtec Inc.
52 Position Connector Header, Outer Shroud Contacts Surface Mount Gold
Active277 in stock

Overview

The QMS-026-05.75-L-D-A is a high-speed, 52-position board-to-board header featuring Samtec's Q2 rugged ground plane technology. This surface-mount connector is designed for high-density differential pair or single-ended signal routing with an integrated ground bus to minimize crosstalk. It offers a 0.635mm (0.025 inch) pitch and a 5.75mm height, providing a robust solution for mezzanine card applications.

Why Choose This Part

The integrated ground plane significantly improves electrical performance and EMI shielding compared to standard headers. With 10 micro-inches of gold plating and a rugged shroud design, it provides high durability rated for 100 mating cycles. The inclusion of board alignment pins simplifies high-precision surface mount assembly.

Applications

High-Speed Mezzanine Cards
Connecting daughterboards to motherboards in high-bandwidth computing or networking hardware.
Data Communication Systems
Utilizing the integrated ground plane to maintain signal integrity in routers and switches.
Industrial Imaging
Providing reliable, high-density interconnects for vision processing units and sensor interface boards.

Key Specifications

Pitch 0.025" (0.64mm)
Features Board Guide, Ground Bus (Plane)
Mounting Type Surface Mount
Connector Type Header, Outer Shroud Contacts
Contact Finish Gold
Number of Rows 2
Height Above Board 0.227" (5.76mm)
Number of Positions 52
Mated Stacking Heights 10mm, 12mm
Contact Finish Thickness 10.0uin (0.25um)
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