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A28KB1-DH Datasheet(PDF) 1 Page - Nihon Kaiheiki Industry Co. Ltd. |
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A28KB1-DH Datasheet(HTML) 1 Page - Nihon Kaiheiki Industry Co. Ltd. |
1 / 7 page Series A Process Sealed Subminiature Rockers B4 B www.nkkswitches.com 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. 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: 100,000 operations minimum for On-None-On & On-Off-On 50,000 operations minimum for other circuits Electrical Life: 50,000 operations minimum Nominal Operating Force: 2.73N (momentary); 1.84N (maintained) Contact Timing: Nonshorting (break-before-make) Angle of Throw: 26° Materials & Finishes Actuator or Toggle: Nickel plated brass 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 Temperature Range: –30°C through +85°C (–22°F through +185°F) Humidity: 90 ~ 95% humidity for 240 hours @ 40°C (104°F) 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 Shock: 50G (490m/s2) acceleration (tested in 6 right angled directions, with 5 shocks in each direction) Installation Cap Installation Force: 39.23N (8.82 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 A Series rockers 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. |
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