... 2.No Volume limit 3.ROHS Compliant Membrane switch with poly dome/metal dome, SMT LED, ... PC and PVC film keypads Characteristics: Assembled with SMD LED, resistors, connectors and other components ... designs are available Properties: Operating voltage: < 35VDC Operating current: < 100mA Contact resistance: < 100 ohms Open circuit ... 500,000 to 30,000,000 cycles Switch stroke: 0.1 to 0.6mm Contact ...