3-647295-6 is an MTA-156 flat header connector designed for wire-to-board interconnection on printed circuit boards. The connector features a 0.156-inch (3.96 mm) centerline spacing with copper alloy posts that are tin plated or gold plated over nickel. It operates over a temperature range of -55°C to +105°C and supports a maximum current rating of 12.5 amperes per circuit. The housing is constructed from UL94V-0 rated polyester in white, providing reliable insulation and durability. This connector is commonly used in industrial control systems, telecommunications equipment, and consumer electronics where compact, reliable interconnections are required.