Dimensions:  16.40L*16.30W*1.80/2.0H mm           
   Weight:  0.50g
   Contact principle:  Friction technology
   Operating position:  shaft up/down/horizontal
   Mounting system:  SMT(post optional)
   Durability:  1500 cycles min.Mechanical characteristics
   Insulation material:  Thermoplastic,UL 94V-0