8700 Series Overtravel Pushbutton Switches Features/Benefits Typical Applications A • Extended pre-travel or over-travel • Telecommunications n • Heavy-duty brass plunger • High end Instrumentation o t • Long electrical life — 100K cycles • Medical & test equipment t u b • RoHS compliant • Detection h s u P Specifications Materials CONTACT RATING: Q contact material: 1 AMP @ CASE: Diallyl phthalate (DAP) (UL 94V-0). 120 V AC or 28 V DC. See page A-76 for additional ratings. PLUNGER: ELECTRICAL LIFE: 100,000 actuations at full load. 8731 – .39074” brass, nickel plated. CONTACT RESISTANCE: Below 30 mΩ typ. Initial @ 8732 – .390”74 PBT polyester, black. 2-4 V DC, 100 mA. BUSHING: brass, nickel plated. INSULATION RESISTANCE: 103Ω min. CONTACTS: Q contact material: Coin silver, silver plated. See page DIELECTRIC STRENGTH: 1,000 Vrms min. @ sea level. A-76 for additional contact materials. OPERATING TEMPERATURE: –30ºC to 65ºC. TERMINALS: Q contact material: Copper alloy, silver plated. See page A-76 for additional contact materials. NOTE: Any models supplied with Q, or B contact material are RoHS compliant. TERMINAL SEAL: Epoxy. NOTE: Specifications and materials listed above are for switches with standard options. HARDWARE: Nut: Brass, nickel plated; lockwasher: Steel, bright nickel For information on specific and custom switches, consult Customer Service Center. plate. One mounting nut & lockwasher supplied with all switches. 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-75 and A-76. 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 8731 SPST Off-Mom. 8732 SPST Off-Mom. Plunger S .390” high, brass S1 .390” high, polyester Bushing H .250” high Terminations Z Solder lug Contact Material Q Silver B Gold Seal E Epoxy Dimensions are shown: Inches (mm) Specifications and dimensions subject to change www.ckswitches.com A-74

8700 Series Overtravel Pushbutton Switches SWITCH FUNCTION A SWITCH FUNCTION P u POS. 1 POS. 2 s h NO. ACTUATION b POLES MODEL NO. TOTAL TRAVEL FORCE SCHEMATIC u SP 8731 OFF MOM. .390 (9,91) TYP. w.3i1th1 oTvYePrt.ravel 4.7 oz TYP. N.O. with overtravel tto SPST n SPST Part number shown: 8731SHZQE with overtravel SP 8732 OFF MOM. .390 (9,91) TYP. .350 TYP. 2.2 oz TYP. N.O. with overtravel SPST SPST Part number shown: 8732S1HZQE MOM. = Momentary PLUNGER S S1 .390” HIGH, BRASS .390” HIGH, PBT POLYESTER Available with 8731 model only. Available with 8732 model only. BUSHING H .250” HIGH PANEL MOUNTING Third Angle Projection Dimensions are shown: Inches (mm) Specifications and dimensions subject to change www.ckswitches.com A-75

8700 Series Overtravel Pushbutton Switches TERMINATIONS A Z n SOLDER LUG o t t u b h s u P CONTACT MATERIAL OPTION RoHS RoHS CONTACT TERMINAL RATINGS CODE COMPLIANT * COMPATIBLE * MATERIAL PLATING Q YES YES SILVER SILVER POWER 1 AMP @ 125 V AC OR 28 V DC. B YES YES GOLD GOLD LOW LEVEL/DRY CIRCUIT 0.4 VA MAX. @ 20 V AC OR DC MAX. * Note: See Technical Data section of this catalog for RoHS compliant and compatible definition and specifications. NOTE: Any models supplied with Q, or B contact material are RoHS compliant. SEAL E EPOXY SEAL Third Angle Projection Dimensions are shown: Inches (mm) Specifications and dimensions subject to change www.ckswitches.com A-76

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: C &K Switches: 8732S1HZBE 8731SHZBE 8731SHZQE 8732S1HZQE