 25-Key Membrane Switch Keypad: Top layer material: Polycarbonate. 2nd layer (column): Polyester/silver paste. 3rd layer (spacer): Polyester. Bottom layer (row): Polyester/silver paste. Operating Life: > 5 million times. Operating Temp.: -20 to +75 Degree C. Contact Resistance: < 30ohm. Contact Bounce: < 5ms. Dielectric Strength: 1,500V. Withstand Voltage: 250V/60Hz for 1 minute. Connector: 0.1" center-center, 10-pin in-line female. Mounting: Peel-off adhesive back. Key Dimension: 0.1875" diameter. Pad Dimensions: 2.75"(W) x 4.8125"(L). For 20-Key application, simply cut off the blue section. For 16-Key application, cut off both blue & green sections. Super for solderless breadboard projects. *** Click 'Order' button shows inventory *** |