Datasheet

Series SS
Ultra-Miniature Slide Switches
NKK Switches • email: [e-mail] • Phone [phone] • Fax [phone] www.nkkswitches.com
Electrical Capacity (Resistive Load)
Power Level (code 2): 0.1A @ 30V DC for PCB mount models only
Logic Level (code 4): 0.4VA maximum @ 28V AC/DC maximum
Other Ratings
Contact Resistance: 20 milliohms maximum for SS; 50 milliohms maximum for SS3
Insulation Resistance: 100 megohms minimum @ 500V DC
Dielectric Strength: 500V AC
Mechanical Life: 10,000 operations minimum
Electrical Life: 10,000 operations minimum
Nominal Operating Force: 200 grams
Contact Timing: Shorting (further details on Engineering Particulars page)
Total Travel: 2.0mm (.079")
Materials & Finishes
Actuator: Polyamide for nonilluminated SS; polyacetal for illuminated SS; polyphenylene sulfide for SS3
Upper Case: Polyester for 3-on SS; polyacetal for all other SS models
Phosphor bronze with tin plating for SS3
Lower Case: Glass fiber reinforced polyester for illuminated & 3-on SS models; glass fiber
reinforced polybutylene terephthalate (thermoplastic) for all other SS models;
polyphenylene sulfide for SS3 models
Movable Contactor: Phosphor bronze with silver plating (code 2); or
Phosphor bronze with gold plating over silver plating (code 4)
Interior Base: Phenolic resin (thermoset) for SS
Terminals: Brass with silver plating over copper plating for SS; or brass with gold plating for SS;
phosphor bronze with gold plating for SS3
Environmental Data
Operating Temp Range: -15°C through +60°C (+5°F through +140°F) for S;
-25°C through +85°C (-13°F through +185°F) for SS3
Humidity: 93% 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 acceleration (tested in 6 right angled directions, with 5 shocks in each direction)
Installation
Soldering Time & Temperature: For SS: 5 seconds @ 270°C, or 5 seconds @ 250°C for plated-through holes;
For SS3: 3 seconds @ 350°C manual solder or
Automated processing techniques can be used, excluding the washing procedures.
Process Seal: Not available
Standards & Certifications
Flammability Standards: UL 94V-0 rated housing & base
GENERAL SPECIFICATIONS
8-01