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HTMS-121-03-S-D-SM is listed in the Headers, Male Pins range at ChipApex. The manufacturer field lists Samtec Inc.. Its product description is CONN HDR .050" 24POS. Review the specifications below when checking this part for your BOM.
The HTMS-121-03-S-D-SM is a surface mount board-to-board header manufactured by Samtec. It features a 1.27 mm (0.050 in) pitch with a 2.54 mm (0.100 in) row spacing. The connector provides 42 positions arranged in two rows of male pins. Constructed with phosphor bronze contacts and a liquid crystal polymer housing, it supports a maximum current rating of 5 A per contact. The component operates within a temperature range of -55°C to +125°C and utilizes gold plating on the mating surfaces.
Verify the specific part number against official Samtec documentation to ensure correct pin count and configuration. Confirm that the surface mount footprint matches the target PCB design. Check RoHS compliance status if required by project specifications. Ensure storage conditions maintain component integrity prior to installation.
Select this component when a low-profile, dual-row header is required for surface mounting. The 1.27 mm pitch allows for high-density connections compared to standard 2.54 mm headers. Consider the straight orientation and black LCP housing for visual identification and thermal stability. Evaluate the 5 A current rating against circuit requirements.
This component belongs to the HTMS series of micro headers from Samtec. These connectors are designed for flexible PCB layouts, offering both vertical and right-angle options. The series supports various pin counts and termination styles, making it suitable for diverse electronic applications requiring reliable signal transmission.
No public confirmed substitute part numbers are available in the provided data.
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