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EDSSC0 Datasheet(PDF) 1 Page - ITT Industries |
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EDSSC0 Datasheet(HTML) 1 Page - ITT Industries |
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1 / 2 page  ED Domes and EDM Domes Dimensions are shown in mm (inch) Dimensions subject to change www.ittcannon.com A-36 ED ED, the disc contact is a momentary tact switch with short travel and good tactile feedback. Direct mounting on a printed circuit board is possible. In that case, the dome must be actuated by a soft actuator of 3.0 mm (0.118) minimum diameter. The ED dome is available in various types of modules and is the main component of several switches presented in this catalog. Self-cleaning system: The contact is made on at least 3 points of the lower diaphragm, these 3 points of contacts are always different at each new switch action. During the switching movement, the upper disc slides on the lower diaphragm, ensuring the contact’s self-cleaning. EDM The EDM is available in 4 versions: EDM 450 AU EDM 650 AU EDM 450 AG EDM 650 AG The EDM Multi Dome Series was developed for low profile applications needing increased tactile response and high performance specifications. Applications range from aircraft instru- ment panels to radio keypads. This high performance dome switch combines our reliable ED contact system with added tactile domes for forces of 4.5N (450 grams) and 6.5N (650 grams). Main features Gold (Au) or silver (Ag) contacts Two different operating forces Low profile Compact PWB spacing Proven application in avionics Construction ED EDM Function Momentary Momentary Contact arrangement 1 make contact = SPST 1 make contact=SPST,NO Distance between button 12.7 (0.500 ) 12.7 (0.500 ) centers, min. Terminals PC pins or tabs PC pins or tabs Electrical data Silver Gold Switching power max. AC/DC 6 W 3 W 3 W Switching voltage max. AC/DC 100 V 100 V 100 V DC Switching current max. AC/DC 100 mA 50 mA 50 mA Carrying current max. AC/DC 250 mA 250 mA Dielectric strength (50 Hz/1 Min.) 300 V 300 V 300 V Operating life with max. switching 106 operations 5 106 operations power Contact resistance 10 m Ω 15 m Ω 15 m Ω Insulation resistance (100 V) 1011 Ω 1011 Ω 1011 Ω Contact bounce 100 µs 100 µs 1ms Mechanical data ED EDM Switching travel 0.3 (0.012 ) 0.4 (0.0157 ) Max. admissible 0.5 Max. admissible 0.5 (0.02) (0.0197) Operating force 2.4N ± 25% 4.5N (450 grams) ±25% (240 grams ± 25%) 6.5N (650 grams) ±25% Further data Contact material Silver plated, Gold plated Ag (silver plated) Au (gold plated) Operating temperature – 25°C to + 70°C -55°C to +85°C Storage temperature – 40°C to + 85°C -55°C to + 85°C Material housing Thermoplastic contact base Phosphor bronze plating of contact area 1.5 microns gold (G) Climatic data Climatic category (days) 10 for silver version 56 for gold version Soldering by static bath 255°C for 5 seconds Ordering code: see next page. |
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