Designing Technology into Solutions


Sealed Subminiature Toggle Switches

ET, Toggle


  • Sealed against solder and cleaning process contaminants
  • ESD protection available
  • Thru-hole and surface mount models
  • Compact size and small footprint save PCB space
  • RoHS compliant models available

Typical Applications

  • Hand-held telecommunications
  • Instrumentation
  • Medical equipment


  1. CONTACT RATING: B contact material: 0.4 VA max. @ 20 V AC or DC max. See page G-35 for additional ratings.
  2. ELECTRICAL LIFE: ETX1 models: 60,000 make-and-break cycles at full load. All other models: 30,000 cycles.
  3. CONTACT RESISTANCE: Below 20 m Ω typ. initial @ 2-4 V DC, 100 mA, for both silver and gold plated contacts.
  5. ELECTROSTATIC DISCHARGE (ESD) RESISTANT OPTION:M3 & S3 insulating actuator only: 9,000 V DC min. @ sea level, actuator to terminals. F1 conductive bushing only: Dissipates up to 20,000 V DC from actuator to ground. M3 & S3 actuator and F1 bushing options are not recommended for use together.
  6. DIELECTRIC STRENGTH: 1000 Vrms min. @ sea level.
  8. SOLDERABILITY: Per MIL-STD-202F method 208D, or EIA RS-186E method 9 (1 hour steam aging).
  9. DEGREE OF PROTECTION: IP57; Protection against harmful dust deposit, full-scale voltage protection, temporary immersion.
  10. PACKAGING: Surface mount switches are shipped in tape and reel packaging, see page G-36 for drawings and reel information.


  1. CASE & BUSHING: Glass filled nylon 6/6, flame retardant, heat stabilized (UL 94V-0) or glass filled 4/6 nylon, flame retardant, heat stabilized (UL 94V-0). F1 conductive bushing option is impregnated with carbon fibers.
  2. ACTUATOR: M3 & S3 anti-static actuator: Nylon 4/6, black standard (UL 94V-0). All other actuators: Brass, chrome plated. Internal o-ring seal standard with all actuators.
  3. SWITCH SUPPORT: Brass, tin plated.
  4. CONTACTS & TERMINALS: B contact material: Copper alloy,with gold plate over nickel plate. Q contact material: Copper alloy, silver plated. See G-35 for additional contact materials.
  5. TERMINAL SEAL: Epoxy.