The HTSW series from Samtec are high-temperature terminal strip headers designed for reliable signal connections. These unshrouded, through-hole headers feature 0.025 inch (0.635 mm) square posts and are compatible with Samtec connectors including SSW, SSQ, SSM, ESW, ESQ, BCS, BSW, CES, SLW, IDSD, IDSS, SMSD, and SMSS series. Available in various pin counts, terminal lengths, and configurations including single, dual, or triple rows, they are suitable for applications demanding high signal integrity and reliability. The connectors have a pitch spacing of 2.54 mm with straight orientation, and operate in temperature ranges from -55°C to 125°C. They are made with phosphor bronze terminals and natural liquid crystal polymer insulators, complying with UL and CSA standards. Optional locking features are available to secure connections.