KS11R21CBD

KS Single Pole Key Switches Features/Benefits • Positive tactile feel • Variety of cap colors • SPST and SPDT configurations • RoHS compliant Specifications Typical Applications • Telecommunications • Industrial • Instrumentation Materials CASE: Glass filled nylon (UL 94V-0). CONTACT RATING: Q contact material: 25mA @ 50V AC .or DC max. ACTUATOR: ABS, matte finish, black standard. ELECTRICAL LIFE: 100,000 actuations. MOVABLE CONTACT: Q contact material: Stainless steel, silver platCONTACT RESISTANCE: Below 100 mΩ initial @ ed. 2-4 V DC, 100 mA STATIONARY CONTACTS AND TERMINALS: Q contact material: 9 INSULATION RESISTANCE: 10 Ω min. copper alloy, silver plated. DIELECTRIC STRENGTH: 1,000 Vrms min. @ sea level. OPERATING TEMPERATURE: -30˚C to 65˚C. TERMINAL SEAL: Epoxy SOLDERABILITY: Per MIL-STD-202F method 208D, or EIA RS-186E method 9 (1 hour steam aging). Note: Specifications and materials listed above are for switches with standard options. For information on specific and custom switches, consult Customer Service Center. How To Order Our easy build-a-switch concept allows you to mix and match options to create the switch you need. To order, select desired option from each category and place it in the appropriate box. K Key Switches D Series KS11 KS12 S C SPST Off-Mom. SPDT On-Mom. Cap R2 Round depression Cap Color 2 Black 1 White 3 Red 9 Gray Terminations C PC Thru-hole Contact Material Q Silver B Gold Seal D No epoxy E Epoxy Dimensions are shown: mm Specifications and dimensions subject to change D–22 www.ckswitches.com KS Single Pole Key Switches SERIES KS11 / KS12 .485 SQ. [12,32] .406 SQ. [10,31] .090 [2,29] .152 [3,86] .298 [7,57] .059 [1,5] .203 ø .039 [5,16] [0,99] .097 [2,46] .094 [2,39] .103 [2,62] .097 [2,46] ø .064 [1,63] .016 TYP [0,41] FINGER RECESS .028 TRAVEL [0,71] .097 [2,46] .039 TYP [0,99] SWITCH FUNCTION CONNECTED TERMINALS POS. 2 POS. 1 NO. POLES .094 [2,39] POS. 1 POS. 2 MODEL NO. SCHEMATIC KS11 OFF MOM. OPEN 1–3 KS12 ON MOM. 1–4 1–3 1 3 SPST SP 1 (COMM) SPDT NC 4 3 NO CAP R2 CAP WITH ROUND DEPRESSION .485 SQ. [12,32] .406 SQ. [10,31] .090 [2,29] .298 [7,57] .059 [1,5] .152 [3,86] OPTION CODE FINGER RECESS D Key Switches CAP COLOR 2 BLACK 1 WHITE 3 RED 9 GRAY .028 TRAVEL [0,71] Dimensions are shown: mm Specifications and dimensions subject to change D–23 www.ckswitches.com KS Single Pole Key Switches TERMINATION C PC THRU-HOLE .090 [2,29] .298 [7,57] .059 [1,5] PC MOUNTING .097 .103 [2,46] [2,62] .097 [2,46] .203 [5,16] .094 [2,39] .097 [2,46] .203 [5,16] .094 [2,39] .152 [3,86] MULTIPLE SWITCH SPACING .097 .103 [2,46] [2,62] .094 [2,39] .094 [2,39] .048 TYP .097 [1,22] [2,46] .097 [2,46] .500 (12,70) .500 (12,70) .048 TYP [1,22] .028 TRAVEL [0,71] KS12 KS11 CONTACT MATERIAL OPTION CODE CONTACT MATERIAL TERMINAL PLATING RATINGS Q SILVER SILVER B GOLD GOLD 2 1 POWER 25 mA MAX. @ 50 V AC OR DC MAX. 2 1 LOW LEVEL/DRY CIRCUIT 0.4 VA MAX. @ 20 V AC OR DC MAX. NOTE: Any models supplied with Q or B contact material are RoHS compliant. 1) MOVABLE CONTACT: Stainless steel, with gold plate over nickel plate. STATIONARY CONTACTS & ALL TERMINALS: Copper alloy, with gold plate over nickel plate. 2) MOVABLE CONTACT: Stainless steel, silver plated. STATIONARY CONTACTS & ALL TERMINALS: Copper alloy, silver plated. SEAL D NO EPOXY SEAL E EPOXY SEAL Key Switches D EPOXY Dimensions are shown: mm Specifications and dimensions subject to change D–24 www.ckswitches.com