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Moteur de recherche de fiches techniques de composants électroniques |
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E020 Fiches technique(PDF) 1 Page - C&K Components |
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E020 Fiches technique(HTML) 1 Page - C&K Components |
1 / 8 page ![]() A-21 Dimensions are shown: Inches (mm) Specifications and dimensions subject to change www.ckswitches.com A E020 Series Sealed Snap-acting Momentary Pushbutton Switches Features/Benefits • Process sealed with disposable splashproof boot • Long life contact design • Snap-fitting plunger available • RoHS compliant models available Typical Applications • Instrumentation • Telecommunications and networking equipment • Computers and peripherals Specifications CONTACT RATING: B contact material (EX25 Models): 0.4 VA max. @ 20 V AC or DC max. G contact material (EX21 Models): 1 AMP @120 V AC or 28 V DC or 0.4 VA max. @ 20 V AC or DC max. Note: Break-before-make contacts. Multi-pole contacts do not make and break simultaneously. See page A-26 for additional ratings. ELECTRICAL LIFE: 60,000 make-and-break cycles at full load. CONTACT RESISTANCE: Below 50 m21Ω typ. initial @ 2–4 V DC, 100 mA, for both silver and gold plated contacts. INSULATION RESISTANCE: 109Ω min. DIELECTRIC STRENGTH: 1000 Vrms min. @ sea level. OPERATING TEMPERATURE: –30ºC to 75ºC. CAP INSTALLATION FORCE: 10 lbs. max. permissible. SOLDERABILITY: Per MIL-STD-202F method 208D, or EIA RS-186E method 9 (1 hour steam aging). NOTE: Any models supplied with P, R, B or G contact material are RoHS compliant. NOTE: Specifications and materials listed above are for switches with standard options. For information on specific and custom switches, consult Customer Service Center. Materials CASE & BUSHING: Glass filled nylon 6/6, flame retardant (UL 94V-0). PLUNGER: Glass filled nylon or glass filled polyester (PBT) (UL 94V-0). SWITCH SUPPORT: Brass or steel, matte-tin. SWITCH SUPPORT RETAINER: Stainless steel. N.O. & N.C. CONTACTS: EX25 MODELS: B contact material: Copper alloy, with gold plate over nickel plate. EX21 MODELS: G contact material: Coin silver, with gold plate over nickel plate. See page A-26 for additional contact materials. COMMON CONTACTS & ALL TERMINALS: Copper alloy, with gold plate over nickel plate. See page A-26 for additional contact materials. TERMINAL SEAL: Epoxy. DISPOSABLE BOOT: Vinyl splashproof boot supplied standard. Remove and discard only after soldering and cleaning processes are complete. Build-A-Switch To order, simply select desired option from each category and place in the appropriate box. Available options are shown and described on pages A-22 thru A-28. For additional options not shown in catalog, consult our Customer Service Center. All models are process sealed to withstand machine soldering temperatures and pressure wash cleaning methods. Switch Function E121 SPDT On-Mom. 1 Amp E221 DPDT On-Mom. 1 Amp E125 SPDT On-Mom. 0.4VA E225 DPDT On-Mom. 0.4VA Plunger S .282” high M .331” high, snap-fitting S1 .332” high Bushing D1 Unthreaded D3 .180” high, unthreaded Contact Material B Gold G Gold over silver P Gold, matte-tin R Gold over silver, matte-tin Seal E Epoxy and disposable splashproof boot Terminations A Right angle, PC thru-hole AV2 Vertical right angle, PC thru-hole C PC Thru-hole A3 Right angle, snap-in, PC thru-hole AV3 Vertical right angle, snap-in, PC thru-hole V3 .460” high, V-bracket V4 .630” high, V-bracket V6 .460” high, V-bracket V8 .953” high, V-bracket V31 .460” high, snap-in V-bracket V41 .630” high, snap-in V-bracket V61 .460” high, snap-in V-bracket Models Available 5 Aug 20 |
Numéro de pièce similaire - E020_V01 |
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Description similaire - E020_V01 |
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