EDGSC0LFG

ED & EDM Domes Features • • • • • Short travel Good tactile feedback Self cleaning 3 actuation forces Typical Applications • Aircraft • Instrument • Panels • Radio equipment RoHS Specification Electrical ED: Disc element EDM: Disc element and double dome FUNCTION: Momentary action CONTACT TYPE: Normally open - SPST TERMINALS: Through hole PCB terminations or Tabs OPERATING LIFE: 1,000,000 Silver Gold MAXIMUM POWER: 1.0 VA 0.2 VA MAXIMUM VOLTAGE: 100 VDC 100 VDC MINIMUM VOLTAGE: 20m VDC 20m VDC MIN/MAX CURRENT: 1.0 mA - 100 mA 50µA - 50 mA DIELECTRIC STRENGTH: ≥ 250 Vrms CONTACT RESISTANCE: ≤ 100 mΩ INSULATION RESISTANCE: Initial measurement: ≥ 1 GΩ (between terminals) After damp heat: ≥ 10 MΩ BOUNCE TIME: ≤ 3 ms Packaging Trays 50 pieces. Environmental Mechanical Silver Gold OPERATING TEMPERATURE: -25˚C to 70˚C Operating force Tactile Type Newtons (grams) Feeling (∆%) EDSAC LFS 2.4 (240) ± 25% ≥ 30% EDSSC LFS 2.4 (240) ± 25% ≥ 30% EDM450SAC LFS 4.5 (450) ± 25% ≥ 25% EDM650SSC LFS 6.5 (650) ± 25% ≥ 25% Return Force N ≥ 0.4 N ≥ 0.4 N ≥ 1.0 N ≥ 1.6 N -55˚C to 85˚C Travel (mm) 0.3mm ± 0.15 0.3mm ± 0.15 0.5mm ± 0.25 0.6mm ± 0.25 SIMULTANEITY: ≤ 0.05 mm How To Order Key Switches D Our easy build-a-switch concept allows you to mix and match options to create the switch you need. To order, select desired option from each category and place it in the appropriate box. E 1 D Contact Material S Silver G Gold Terminals AC with pc pins* SC with tabs ** E D M 4 Operation Force 450 4.5 N (450 grams) 650 6.5 N (650 grams) 5 0 Lead Free Compatible LFS RoHS, Silver tabs ** LFG RoHS, Gold tabs ** LFT RoHS, Pure tin (terminals only) * Disc 1 Sealed, IP 67 S S C L Contact Material Terminals AC with pc pins * S Silver SC with tabs ** G Gold F G Lead Free Compatible LFS RoHS, Silver tabs ** LFG RoHS, Gold tabs ** LFT RoHS, Pure tin (terminals only) * Note * AC terminals only available with LFT ** SC terminals only available with LFS or LFG Dimensions are shown: mm Specifications and dimensions subject to change D–28 www.ckswitches.com ED & EDM Domes ED EDM 11,3 ±0,15 B 11,3 B 10,8 max ( sur clinquants ) 0,01 12,7 ±0,3 10,35±0,15 +0,06 1,2 -0,1 10,8 max ( sur clinquants ) +0,06 1,2 -0,1 Apres assemblage 0 1,2 ø0,05 A ø -0,1 0,1 2±0,3 A 90˚ 12,7±0,3 A 0,25 A ø 11,8±0,15 +0,03 2 -0,01 36˚ ø 11,8±0,15 Zone de soudure ultra sons 10+0,2 0 15±0,2 0,55±0,1 +0,02 0,5 -0,04 4,5 ±0,5 IMPLANTATION CIRCUIT IMPRIME 0,9±0,1 0,35 ( course relative ) 10,35±0,15 D Key Switches Switch Action Principal The disc contact is essentially made of two separate conductive dome diaphragms separated by an insulated material. The upper diaphragm is shaped so that under pressure it collapses suddenly and establishes contact with the lower diaphragm. Upper Diaphragm Pressure Lower Diaphragm Switch in resting position Insulating washer Circular contact area Switch in active position Dimensions are shown: mm Specifications and dimensions subject to change D–29 www.ckswitches.com