ET
Sealed Subminiature Toggle Switches
Features/Benefits
- 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
Specifications
- CONTACT RATING: B contact material: 0.4 VA max. @ 20 V AC or DC max. See page F-32 for additional ratings.
- ELECTRICAL LIFE: ETX1 models: 60,000 make-and-break cycles at full load. All other models: 30,000 cycles.
- CONTACT RESISTANCE: Below 20 m Ω typ. initial @ 2-4 V DC, 100 mA, for both silver and gold plated contacts.
- INSULATION RESISTANCE: 109 Ω min.
- 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.
- DIELECTRIC STRENGTH: 1000 Vrms min. @ sea level.
- OPERATING TEMPERATURE: –30ºC to 85ºC.
- SOLDERABILITY: Per MIL-STD-202F method 208D, or EIA RS-186E method 9 (1 hour steam aging).
- DEGREE OF PROTECTION: IP57; Protection against harmful dust deposit, full-scale voltage protection, temporary immersion.
- PACKAGING: Surface mount switches are shipped in tape and reel packaging, see page G-35 for drawings and reel information.
Materials
- CASE & BUSHING: Glass filled nylon 6/6, flame retardant, heat stabilized (UL 94V-0). SA surface mount: High temperature material, glass filled 4/6 nylon, flame retardant, heat stabilized (UL 94V-0). F1 conductive bushing option is impregnated with carbon fibers.
- 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.
- SWITCH SUPPORT: Brass, tin plated.
- 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.
- TERMINAL SEAL: Epoxy.