The 20021221-00010C4LF is a 10-way 2-row surface-mount vertical Board-to-board Header with gold-plated copper alloy contacts, 1.27mm pitch. This Minitek127 20021221 series connector with black high temperature thermoplastic housing. The housing will withstand exposure to 260°C peak temperature for 10-second in a convention Infra-red or vapour phase reflow oven.