The HTSW series from Samtec consists of high-temperature, unshrouded through-hole terminal strip headers designed for reliable signal connections. These connectors feature 0.025 inch (0.635 mm) 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 2.54 mm, accommodating 2 to 25 contacts per row in right-angle orientation. Constructed with phosphor bronze terminals and utilizing natural liquid crystal polymer insulators, these headers operate within a temperature range of -55°C to 125°C and feature 10‑μm gold-plated contacts for signal integrity. Additional options include locking leads and clips for secure connections, and the series conforms to UL and CSA safety standards.