P.C.B. LAYOUT SPECIFICATION MECHANICAL -Stop Strength: Max. 3kgf vertical static load continuously for 15 seconds -Stroke: (12x12) 0.350.1mm -Operation Temperature: -25C to + 70C -Storage Temperature: -30C to +80C ELECTRICAL -Rating: 50mA , 12VDC -Contact Resistance: 100m max. -Insulation Resistance: 100M min. at 500VDC -Dielectric Strength: 250VAC / 1 minute -Contact Arrangement: 1 pole 1 throw MATERIALS -COVER: Stainless Steel -CONTACT DISC: Stainless steel with silver cladding. -TERMINAL: Brass with silver plated. -BASE: UL94V-0 Nylon High-Temp. Thermoplastic -STEM: UL94V-0 Nylon High-Temp. Thermoplastic CIRCUIT DIAGRAM Mfg. Part No. Operating Force Max Electrical Life Color Dimension H Dome Material MC32872 160gf Max 1,000,000 Cycles Brown 4.3 [.169] Stainless Steel MC32873 260gf Max 500,000 Cycles Red 4.3 [.169] Stainless Steel MC32856 160gf Max 200,000 Cycles Brown 8.5 [.335] Phosphor Bronze