QMS-052-01-SL-D-RA-MG-K: High-Density Surface Mount Header Connector by Samtec Inc. 2024-08-12 Discover the QMS-052-01-SL-D-RA-MG-K, a high-density surface mount header connector by Samtec Inc. Featuring 104 positions, 0.025" pitch, and gold-plated contacts for reliable performance in compact designs.