Datasheet
Series HB
Subminiature Pushbutton Switches
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 www.nkkswitches.com
GENERAL SPECIFICATIONS
Electrical Capacity (Resistive Load)
Power Level (code W): 0.1A maximum @ 30V AC/DC
Other Ratings
Contact Resistance: 50 milliohms maximum
Insulation Resistance: 100 megohms minimum @ 500V DC
Dielectric Strength: 500V AC minimum
Mechanical Life: 100,000 operations minimum
Electrical Life: 50,000 operations minimum
Nominal Operating Force: 350 grams
Contact Timing: Nonshorting (break before make)
Travel: 2.2mm (.087") pretravel; 0.8mm (.031") overtravel; 3.0mm (.118") total travel
Materials & Finishes
Housing: Glass fiber reinforced polyamide
Base: Glass fiber reinforced polyamide
Movable Contact: Phosphor bronze with silver plating
Stationary Contacts: Phosphor bronze with silver plating
Common Terminal: Phosphor bronze with silver plating
End Terminals: Phosphor bronze with silver plating
Lamp Terminals: Phosphor bronze with silver plating
Environmental Data
Operating Temp Range: -25°C through +50°C (-13°F through +122°F) for Illuminated
-25°C through +70°C (-13°F through +158°F) for Nonilluminated
Humidity: 90 ~ 95% humidity for 96 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 acceleration (tested in 6 right angled directions, with 5 shocks in each direction)
Installation
Mounting Torque: 5.0 kg/cm (4.34 lb/in) for round mounting nut
Cap Installation Force: 1.0 kg (2.2 lb) maximum
Soldering Time & Temperature: 3 seconds @ 350°C or 5 seconds @ 270°C
Process Seal: Not available
Standards & Certifications
UL Recognized: All models recognized at 0.1A @ 30V AC/DC; UL File No. E44145
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