The HTSW series from Samtec are high-temperature terminal strip headers designed for reliable electrical connections. These unshrouded, through-hole headers feature 0.025-inch (0.635mm) square posts and are compatible with Samtec connectors such as SSW, SSQ, SSM, ESW, ESQ, BCS, BSW, CES, SLW, IDSD, IDSS, SMSD, and SMSS. They are available in single, dual, or triple rows, with a pitch spacing of 2.54mm and configurations ranging from 1 to 50 contacts per row. The connectors operate within a temperature range of -55°C to 105°C, with matte tin-plated phosphor bronze terminals and natural liquid crystal polymer insulators. They meet UL and CSA standards and optionally include locking features for secure connections, making them suitable for industrial applications.