C&K 8500 Series Subminiature Pushbutton Switches Features/Benefits • Pre-travel or over-travel models Pushbutton A available • Ratings up to 3 AMPS • Reliable contact design • RoHS compliant Typical Applications • Detection • Telecommunications and networking equipment • Computers and peripherals Models Available Specifications Materials CONTACT RATING: Q contact material (853X Models): 1 AMP @ 120 V AC or 28 V DC; (855X Models): 3 AMPS @ 120 V AC or 28 V DC. See page A-63 for additional ratings. CASE: Glass filled phenolic or diallyl phthalate (DAP) (UL 94V-0). ELECTRICAL LIFE: 853X MODELS: 250,000 actuations at full load. 855X MODELS: 10,000 actuations at full load. PLUNGER: Phenolic or glass filled polyester, black standard(UL94V-0). CAP & FRAME: Nylon, black, standard. BUSHING: Brass, nickel plated. CONTACT RESISTANCE: Below 30 mΩ typ. initial @ 2-4 V DC, 100 mA, for both silver and gold plated contacts. INSULATION RESISTANCE: 109Ω min. CONTACTS: Q contact material: Coin silver, silver plated. See page A-63 for additional contact materials. TERMINALS: Q contact material: Copper alloy, silver plated. See page A-63 for additional contact materials. DIELECTRIC STRENGTH: 1,000 Vrms min. @ sea level. TERMINAL SEAL: Epoxy. OPERATING TEMPERATURE: –30ºC to 65ºC. HARDWARE: Nut: Brass, nickel plated; Lockwasher: Steel, bright nickel plated. NOTE: Any models supplied with Q, B or G contact material are RoHS compliant. For the latest information regarding RoHS compliance, please go to: www.ittcannon.com/rohs. 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-61 thru A-64. For additional options not shown in catalog, consult Customer Service Center. All models have epoxy terminal seal and are compatible with all “bottom-wash” PCB cleaning methods. Switch Function 8531 SPST Off-Mom. 1 Amp 8532 SPST Off-Mom. 1 Amp 8533 SPST On-Mom. 1 Amp 8534 SPST On-Mom. 1 Amp 8551 SPST Off-Mom. 3 Amps 8552 SPST Off-Mom. 3 Amps Actuator or Plunger M .150" high J81 Snap-in with frame J82 Snap-in with frame for LED S .210" high T 15/32 bushing T1 15/32 bushing with frame (8532 and 8534 only) Terminations Z Solder lug AV Right angle, PC thru-hole C PC Thru-hole Contact Material Q Silver B Gold Seal G Gold over silver E Epoxy D No epoxy seal Cap or Plunger Color 2 Black 1 White Frame Color 3 Red 2 Black 9 Gray NONE Models without frame Dimensions are shown: Inches (mm) Specifications and dimensions subject to change A–60 www.ittcannon.com C&K 8500 Series Subminiature Pushbutton Switches SWITCH FUNCTION A Pushbutton SWITCH FUNCTION POS. 1 NO. POLES MODEL NO. POS. 2 RATING 8531 1 AMP 8551 3 AMPS SP TOTAL TRAVEL with overtravel .042 (1,07) TYP. ACTUATION FORCE SCHEMATIC OFF MOM. .095 (2,41) TYP. 7.7 oz (220g) TYP. N.O. with overtravel OFF MOM. .050 (1,27) TYP. 6 oz (170g) TYP. N.O. ON MOM. .080 (2,03) TYP. with pretravel .057 (1,45) TYP. 11.5 oz (456 g) TYP. N.C. with pretravel .032 (0,81) TYP. with overtravel .028 (0,71) TYP. 10.3 oz (282g) TYP. N.C. woth overtravel SPST Part number shown: 8531MZQE2 8532 1 AMP 8552 3 AMPS SP SPST Part number shown: 8532MZQE2 8533 1 AMP SP 8534 1 AMP ON MOM. SPST Part number shown: 8533MZQE2 MOM. = Momentary All models with all options when ordered with G or Q contact material. Third Angle Projection Dimensions are shown: Inches (mm) Specifications and dimensions subject to change A–61 www.ittcannon.com C&K 8500 Series Subminiature Pushbutton Switches PLUNGER COLOR PLUNGER Pushbutton A ACTUATOR OR PLUNGER M .150" HIGH PLUNGER S .210" HIGH PLUNGER PANEL MOUNTING OPTION CODE PLUNGER COLOR 2 BLACK 3 RED NOTE: One mounting nut and lockwasher supplied with all actuators (except T actuator: two nuts supplied). CAP COLOR ACTUATOR ACTUATOR OR PLUNGER T PANEL MOUNTING 15/32 BUSHING OPTION CODE NOTE: No frame color choice required. T1 15/32 BUSHING WITH FRAME CAP COLOR 2 BLACK 1 WHITE 3 RED 9 GRAY Cap Finish: gloss. Other colors available, consult Customer Service Center. One mounting nut and lockwasher supplied with all actuators (except T actuator: two nuts supplied). NOTE: Caps available for plunger options, see page A-63. NOTE: No frame color choice required. Available with 8532 and 8534 models only. CAP COLOR ACTUATOR—SNAP-IN FRONT MOUNT ACTUATOR OR PLUNGER J81 FRAME COLOR OPTION CODE SNAP-IN WITH FRAME 2 CAP AND FRAME COLOR BLACK Cap and Frame Finish: matte. Other colors available, consult Customer Service Center. One mounting nut and lockwasher supplied with all actuators. NOTE: Caps & frames available separately, see pages A-63 and A-64. J82 SNAP-IN WITH FRAME FOR LED NOTE: LED snaps securely into frame. Height depends on LED used. LED not included. For LED information, see page A-64. Third Angle Projection Dimensions are shown: Inches (mm) Specifications and dimensions subject to change A–62 www.ittcannon.com C&K 8500 Series Subminiature Pushbutton Switches TERMINATIONS AV A C SOLDER LUG PC THRU-HOLE PC MOUNTING RIGHT ANGLE, PC THRU-HOLE MODEL NO. DIM “X” DIM. "X" NOTE: Available with M or S plunger models only 8531, 8533, 8551 0.500 8532, 8534, 8552 0.438 CONTACT MATERIAL OPTION CODE RoHS COMPLIANT * RoHS COMPATIBLE * TERMINAL PLATING CONTACT MATERIAL B YES YES GOLD 1 GOLD LOW LEVEL/DRY CIRCUIT Q YES YES SILVER 4 SILVER 5 POWER G YES YES GOLD OVER SILVER 2 GOLD 3 LOW LEVEL/DRY CIRCUIT OR POWER RATINGS 0.4 VA MAX. @ 20 V AC OR DC MAX. 853X MODELS: 1 AMP @ 120 V AC OR 28 V DC. 855X MODELS: 3 AMPS @ 120 V AC OR 28 V DC. 0.4 V MAX @20 V AC OR DC MAX. OR 853X MODELS: 1 AMP @ 120 V AC OR 28 V DC. 855X MODELS: 3 AMPS @120 V AC OR 28 V DC. * Note: See Technical Data section of this catalog for RoHS compliant and compatible definitions and specifications. NOTE: Any models supplied with Q, B or G contact material are RoHS compliant. For the latest information regarding RoHS compliance, please go to: www.ittcannon.com/rohs. 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. All models 4 CONTACTS: Coin silver, silver plated. Q contact material standard with C, Z terminations. 5 TERMINALS: Copper alloy, silver plated. 8551 & 8552 available with Q contact material only. with all options when ordered with G or Q contact material. SEAL E EPOXY SEAL AVAILABLE HARDWARE Cap Cap, J80, J81 & J 82 options only Frame .331 DIA. (8,41È) .150 (3,81) FOR 267A .200 (5,08) FOR 8931 PART NO. PART NO. 267A01000 267A02000 267A03000 267A09000 .300 (7,62) WHITE BLACK RED GRAY 893101000 893102000 893103000 893109000 WHITE BLACK RED GRAY PART NO. 85X2T, 8534T models only 85X1T, 8532T1, 8533T, 8534T1 models only 448901000 448902000 448903000 448909000 Material: Nylon Finish: Gloss Material: Nylon Finish: Gloss Material: Nylon Finish: Gloss or matte WHITE BLACK RED GRAY PART NO. 613302263 BLACK Material: Nylon Finish: Matte Other colors available, consult Customer Service Center. Third Angle Projection Dimensions are shown: Inches (mm) Specifications and dimensions subject to change A–63 www.ittcannon.com Pushbutton Z C&K 8500 Series Subminiature Pushbutton Switches AVAILABLE HARDWARE Pushbutton A Frame PART NO. 615602263 BLACK Material: Nylon Finish: Matte NOTE: Additional nuts, locking rings and lockwashers available separately, see section “Technical Data and Additional Hardware”. Other colors available, consult Customer Service Center. Frames snap into panel opening and are independent from switch mounting. Accurate positioning of the PC mounted switch relative to the panel opening is necessary to provide proper clearance between actuator and frame. Available in two basic styles and four panel thicknesses .047-.125 in. Material: Nylon. Finish: Matte. Panel Inserts TYPICAL APPLICATION .047" (1,19) PANEL THK. .062" (1,57) PANEL THK. .090" (2,29) PANEL THK. .125" (3,18) PANEL THK. PART NO. PART NO. PART NO. PART NO. 432502263 432602263 432702263 432802263 BLACK Above frames (part nos. 432XXXXXX) are also available with insert which accepts LED for indicator light assembly. Order insert separately from frame. Blank insert panel (without hole for LED) also available. LED not included. PANEL INSERT WITH HOLE FOR LED BLANK PANEL INSERT WITHOUT HOLE FOR LED PART NO. PART NO. 894902000 476602000 BLACK Special colors, custom markings available, consult Customer Service Center. LED INFORMATION Process Information: Soldering to LED leads must be completed within 5 seconds at 500ºF (260ºC) maximum. LEDs are not supplied with J82 option. LED snaps into switch frame surrounding actuator and is wired externally. Flat denotes cathode. .230 DIA. (5,84˘) .200 DIA. (5,08˘) .025 SQ. TYP. (0,63) .030 (0,76) .340 (8,64) .750 (19,05) Suggested LED for J82 option. Dimensions for reference only. Third Angle Projection Dimensions are shown: Inches (mm) Specifications and dimensions subject to change A–64 www.ittcannon.com