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Technical content

Dimensions are shown: Inches (mm) Specifications and dimensions subject to change www.ckswitches.com Pushbutton A

8600 Series

Microminiature Pushbutton Switches Features/Benefits

  • Available with overtravel
  • Normally closed models available
  • Microminiature size ideal for applications where space is limited
  • RoHS compliant Typical Applications Detection
  • Telecommunications and networking equipment
  • Computers and peripherals Specifications CONTACT RATING: Q contact material (8631, 8632 Models): 500 mA @ 120 V AC or 28 V DC; 250 mA @ 250 V AC; (8633 Model): 250 mA @ 120 V AC or 28 V DC; 125 mA @ 250 V AC. See page A-73 for additional ratings. ELECTRICAL LIFE: 8631 and 8633 MODELS: 250,000 actuations at full load. 8632 MODEL: 100,000 actuations at full load. CONTACT RESISTANCE: Below 30 mΩ typ. initial @ 2-4 V DC, 100 mA, for both silver and gold plated contacts. INSULATION RESISTANCE: 109 Ω min. DIELECTRIC STRENGTH: 500 Vrms min. @ sea level. OPERATING TEMPERATURE: –30ºC to 65ºC. SOLDERABILITY: Per MIL-STD-202F method 208D, or EIA RS-186E method 9. Materials CASE: Glass filled phenolic or diallyl phthalate (DAP), (UL94V-0). PLUNGER: Glass filled nylon (UL94V-0), black standard. BUSHING: Brass, nickel plated. CONTACTS: Q contact material: Coin silver, silver plated. See page A-73 for additional contact materials. TERMINALS: 8631, 8632 MODELS: Copper alloy, silver plated. 8633 MODEL: Q contact material: Coin silver. See page A-73 for additional contact materials. TERMINAL SEAL: 8633 MODEL: Epoxy. 8631, 8632 MODELS: Terminals insert molded. HARDWARE: Nut: Brass, nickel plated. 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. 8633 SPST On-Mom. 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 APushbutton Microminiature Pushbutton Switches SWITCH FUNCTION TERMINATIONS PC MOUNTING 8631, 8632 models only. 8633 models only. 8631, 8632 models only. MOM. = Momentary NOTE: Caps available for plunger options, see page A-73. Z SOLDER LUG C PC THRU-HOLE Third Angle Projection N.O. with overtravel6.25 oz (177g) TYP.with overtravel SCHEMATIC ACTUATION FORCETOTAL TRAVEL SWITCH FUNCTION POS. 1 POS. 2 MODEL NO. NO. POLES SPST SPST SPST Part number shown: 8633ZQE2 Part number shown: 8631ZQD2 Terminals Insert Molded PANEL MOUNTING Part number shown: 8632ZQD2 Terminals Insert Molded PANEL MOUNTING PANEL MOUNTING

Dimensions are shown: Inches (mm) Specifications and dimensions subject to change www.ckswitches.com Pushbutton A OPTION CODE COLOR Microminiature Pushbutton Switches CONTACT MATERIAL SEAL PLUNGER COLOR AVAILABLE HARDWARE .187 (4,75) .081 (2,03) .245 DIA. (6,22 ) NOTE: Other cap colors available, consult Customer Service Center. E EPOXY SEALD NO EPOXY SEAL Not available on 8631, 8632 models. Standard on 8633 model only. Not available on 8633 model. Standard on 8631, 8632 models. Cap PART NO.

785101000 WHITE

785102000 BLACK

785103000 RED

Material: Nylon Finish: Gloss * Note: See Technical Data section of this catalog for RoHS compliant and compatible definitions and specifications. 1 CONTACTS & TERMINALS: Copper alloy, with gold plate over nickel plate. 2 CONTACTS: Coin silver, with gold plate over nickel plate. 3 TERMINALS: Copper alloy, with gold plate over nickel plate. 8633 model only: Coin silver, with gold plate over nickel plate. 4 CONTACTS: Coin silver, silver plated. 5 TERMINALS: Copper alloy, silver plated. 8633 model only: coin silver. NOTE: Any models supplied with Q, B or G contact material are RoHS compliant. 8631, 8632 models with all options when ordered with G or Q contact material. Q contact material standard with C, Z terminations. OPTION CODE B Q G CONTACT MATERIAL GOLD 1 SILVER 4 GOLD OVER SILVER 4 GOLD 1 SILVER 5 GOLD 3 LOW LEVEL/ DRY CIRCUIT POWER YES YES YES YES YES YES LOW LEVEL/DRY CIRCUIT OR POWER 0.4 VA MAX. @ 20 V AC OR DC MAX. 8631, 8632 MODELS: 500 mA @ 120 V AC OR 28 V DC; 250 mA @ 250 V AC. 8633 MODELS: 250 mA @ 120 V AC OR 28 V DC; 125 mA @ 250 V AC. 0.4 VA MAX @ 20 V AC OR DC MAX. OR 8631, 8632 MODELS: 500 mA @ 120 V AC OR 28 V DC; 250 mA @ 250 V AC. 8633 MODELS: 250 mA @ 120 V AC OR 28 V DC; 125 mA @ 250 V AC. TERMINAL PLATING RATINGS RoHS COMPLIANT * RoHS COMPATIBLE *