The HTSW series from Samtec consists of high-temperature terminal strip headers designed for reliable electrical connections in demanding environments. These unshrouded through-hole headers feature 0.025-inch (0.635mm) square posts and are compatible with various Samtec connector series including SSW, SSQ, SSM, ESW, ESQ, BCS, BSW, CES, SLW, IDSD, IDSS, SMSD, and SMSS. They are available in single, dual, or triple-row configurations with a pitch spacing of 2.54mm, accommodating 1 to 50 contacts per row. The contacts are gold-plated and made of phosphor bronze, suitable for high-temperature operation from -55°C to 125°C. The insulator is made of natural liquid crystal polymer, and the series complies with UL and CSA standards. An optional locking feature is available for added security.