QTH-090-03-F-D-A-TR: High-Density Surface Mount Header Connector by Samtec | 180-Position, 0.50mm Pitch 2025-04-19 Discover the QTH-090-03-F-D-A-TR, a high-performance 180-position surface mount header connector by Samtec. Featuring 0.50mm pitch, gold contacts, and board guides for precision alignment. Ideal for telecom, medical, and industrial applications.