SlimStack™ Stacking 53885 Series Plugs and 54102 Series ReceptaclesThis range of SlimStack™ Stacking 53885 Series Plugs and 54102 Series Receptacles are Dual Row, SMT, Vertical Board-to-Board connectors. When mated these SlimStack™ 53885 Series Plugs and 54102 Series Receptacles have a stacking height of 2.50 mm.The Molex SlimStack™ family of Micro SMT 0.50 mm stacking Board-to-Board connectors have a durable blade-on-beam contact and tails that provide strong solder fillets. The design of the SlimStack Board-to-Board connectors includes a metal friction lock that provides extra mating retention. This makes these SlimStack Board-to-Board connectors ideal for portable applications subjected to vibration or shock.