Samtec Inc. Header, 2.54 Mm, Through Hole, 2 Rows, 70 Contacts; Connector Systems Samtec MTSW-135-07-S-D-240

The Header, 2.54 mm, Through Hole, 2 Rows, 70 Contacts (part number 94P9770) is designed for board-to-board applications with a pitch spacing of 2.54 mm. It features a total of 70 contacts arranged in two rows, allowing for efficient connectivity in compact spaces. The connector is constructed with modified .025" square posts, which provide flexibility in post height customization. The insulator material is black glass-filled polyester, while the terminal material is phosphor bronze, with plating options available in gold or tin over nickel. This product operates within a temperature range of -55 °C to +125 °C when gold-plated, and -55 °C to +105 °C with tin plating. It is RoHS compliant and suitable for lead-free soldering in specific configurations. The header is non-standard and non-returnable, making it essential for engineers to confirm compatibility with their specific requirements before purchase.