W rth Elektronik 61031221821: High-Quality Surface Mount Header Connector | Specifications & Features 2024-06-24 Discover the W rth Elektronik 61031221821, a high-quality 2.54mm surface mount header connector with 12 positions, 3A current rating, and gold-plated contacts. Ideal for board-to-board applications in consumer electronics, industrial automation, and more.