AB25AH NKK Switches

Series AB Process Sealed Subminiature Pushbuttons General Specifications Electrical Capacity (Resistive Load) Logic Level: 0.4VA maximum 28V AC/DC maximum (Applicable Range 0.1mA ~ 0.1A 20mV ~ 28V) Note: Find additional explanation of operating range in Supplement section. C Other Ratings Contact Resistance: 50 milliohms maximum Insulation Resistance: 500 megohms minimum 500V DC Dielectric Strength: 500V AC minimum for 1 minute minimum Mechanical Life: 50,000 operations minimum Electrical Life: 50,000 operations minimum Nominal Operating Force: 2.55N Contact Timing: Nonshorting (break-before-make) Travel: Pretravel .028 (0.7mm) Overtravel .016 (0.4mm) Total Travel .043 (1.1mm) Materials & Finishes Plunger: Polyacetal Case Housing: Glass fiber reinforced polyamide Support Bracket: Tin plated phosphor bronze Movable Contact: Phosphor bronze with gold plating Stationary Contacts: Brass with gold plating Terminals: Brass with gold plating Environmental Data Operating Temp Range: 30C through +85C (22F through +185F) Humidity: 90 ~ 95% humidity for 96 hours 40C (104F) Vibration: 10 ~ 55Hz with peak-to-peak amplitude of 1.5mm traversing the frequency range & returning in 1 minute 3 right angled directions for 2 hours 2 Shock: 50G (490m/s ) acceleration (tested in 6 right angled directions, with 5 shocks in each direction) Installation Cap Installation Force: 49.03N (11.2 lbf) maximum downward force on actuator PCB Processing Soldering: Wave Soldering Recommended: See Profile A in Supplement section. Manual Soldering: See Profile B in Supplement section. Cleaning: Automated cleaning. See Cleaning specifications in Supplement section. Standards & Certifications The AB Series pushbuttons have not been tested for UL recognition or CSA certification. These switches are designed for use in a low-voltage, low-current, logic-level circuit. When used as intended in a logic-level circuit, the results do not produce hazardous energy. C6 www.nkkswitches.com Supplement Accessories Indicators Touch Tilt Tactiles Slides Rotaries Keylocks Programmable Illuminated PB Pushbuttons Rockers TogglesProcess Sealed Subminiature Pushbuttons Series AB Distinctive Characteristics Subminiature size (1/3 size of Series M switches) saves space on PC boards. C Specifically developed for logic-level applications. Totally sealed body construction prevents contact contamination and allows time- and money-saving automated soldering and cleaning. Award-winning STC contact mechanism with benefits unavailable in conventional mechanisms: smoother, positive detent actuation, increased contact stability and unparalleled logic-level reliability. (Additional STC details in Terms & Acronyms see Supplement section.) Molded-in, epoxy sealed or ultrasonically welded terminals lock out flux, solvents, and other contaminants100 x .100 (2.54mm x 2.54mm) terminal spacing conforms to standard PC board grid spacing. Matching indicators available. Actual Size www.nkkswitches.com C7 Supplement Accessories Indicators Touch Tilt Tactiles Slides Rotaries Keylocks Programmable Illuminated PB Pushbuttons Rockers Toggles