Pushbutton 8600 Series Microminiature Pushbutton Switches Features/Benefits Typical Applications A Available with overtravel Detection Normally closed models available Telecommunications and networking equipment Microminiature size ideal for applications where space is limited Computers and peripherals RoHS compliant Models Available Specifications Materials CONTACT RATING: Q contact material (8631, 8632 Models): CASE: Glass filled phenolic or diallyl phthalate (DAP), (UL94V-0). 500 mA 120 V AC or 28 V DC 250 mA 250 V AC PLUNGER: Glass filled nylon (UL94V-0), black standard. (8633 Model): 250 mA 120 V AC or 28 V DC 125 mA BUSHING: Brass, nickel plated. 250 V AC. See page A-73 for additional ratings. CONTACTS: Q contact material: Coin silver, silver plated. ELECTRICAL LIFE: See page A-73 for additional contact materials. 8631 and 8633 MODELS: 250,000 actuations at full load. 8632 MODEL: 100,000 actuations at full load. TERMINALS: 8631, 8632 MODELS: Copper alloy, silver plated. CONTACT RESISTANCE: Below 30 m typ. initial 8633 MODEL: Q contact material: Coin silver. 2-4 V DC, 100 mA, for both silver and gold plated contacts. See page A-73 for additional contact materials. INSULATION RESISTANCE: 109 min. TERMINAL SEAL: DIELECTRIC STRENGTH: 500 Vrms min. sea level. 8633 MODEL: Epoxy. OPERATING TEMPERATURE: 30C to 65C. 8631, 8632 MODELS: Terminals insert molded. SOLDERABILITY: Per MIL-STD-202F method 208D, or HARDWARE: Nut: Brass, nickel plated. EIA RS-186E method 9. NOTE: Any models supplied with Q, 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. 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-72 and A-73. For additional options not shown in catalog, consult Customer Service Center. Switch Function 8631 SPST Off-Mom. 8632 SPST Off-Mom. Termination 8633 SPST On-Mom. Z Solder lug C PC Thru-hole Contact Material B Gold Q Silver G Gold over silver Seal D No epoxy E Epoxy Plunger Color 2 Black 3 Red Dimensions are shown: Inches (mm) Specifications and dimensions subject to change www.ckswitches.com A-718600 Series Microminiature Pushbutton Switches SWITCH FUNCTION A SWITCH FUNCTION POS. 1 POS. 2 NO. MODEL ACTUATION POLES NO. TOTAL TRAVEL FORCE SCHEMATIC SP 8631 OFF MOM. .040 (1,02) TYP. 5 oz (140g) TYP. N.O. SPST PANEL MOUNTING Part number shown: 8631ZQD2 Terminals Insert Molded with overtravel SP OFF MOM. .106 (2,69) TYP. 6.25 oz (177g) TYP. N.O. with overtravel 8632 .024 (0,61) TYP. SPST PANEL MOUNTING Part number shown: 8632ZQD2 Terminals Insert Molded SP ON MOM. .048 (1,22) TYP. 5 oz (140g) TYP. N.C. 8633 PANEL MOUNTING SPST Part number shown: 8633ZQE2 MOM. = Momentary NOTE: Caps available for plunger options, see page A-73. TERMINATIONS Z SOLDER LUG C PC THRU-HOLE 8631, 8632 models only. 8633 models only. 8631, 8632 models only. PC MOUNTING Third Angle Projection Dimensions are shown: Inches (mm) Specifications and dimensions subject to change www.ckswitches.com A-72 Pushbutton