K12S High Performance SMT Key Switches Features/Benefits • Harsh environment applications - IP67 • Compatible with SMT lead free soldering process • • • • • Illuminated Excellent tactile feel High reliability / long life DPST and detect versions available Typical Applications • Automotive • Off-road transportation • Motorcycles • Industrial • Medical • Network • Joysticks RoHS compliant Construction: Electrical FUNCTION: Momentary CONTACT ARRANGEMENT: SPST or DPST CONTACT TYPE: NO or NC TERMINALS: SMT SWITCHING POWER MIN./MAX.: 0.02mW/3 W DC SWITCHING VOLTAGE MIN./MAX.: 2 V / 30 V DC SWITCHING CURRENT MIN./MAX.: 10 mA /100 mA DC DIELECTRIC STRENGTH: > 300 V RMS OPERATING LIFE: > 106 operations (F<5N) / 105 operations (F≥5N) CONTACT RESISTANCE: Initial < 100mΩ - After test < 250mΩ INSULATION RESISTANCE: >109 Ω BOUNCE TIME: < 10 ms Mechanical TOTAL TRAVEL: 1,5 mm OPERATING FORCE: 3N; 5N; 6N; 9N 4/8 N; 6/12 N SEALING: IP40 or IP67 Environmental Packaging OPERATING TEMPERATURE: -40˚C to 85˚C. STORAGE TEMPERATURE: -40˚C to 95˚C. RoHS compliant and Halogen free. Reels of 900 pieces Process SOLDERABILITY: Lead free soldering compatible. 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. Key Switches D K 1 2 1 S Sub-Series IP40 with peg A B IP67 with peg C IP40 without peg D IP67 without peg Option SPST version S L LED version (SPST) D DPST version . 5 N Operating Force 3N 3N 5N 5N 6N 6N 9N 9N 4/8N 4/8 N (double step actuation) 6/12N 6/12 N (double step actuation) LED Color NONE No LED YE0 Yellow RD0 Red GN0 Green OR0 Orange WH0 White AM0 Amber L Contact Arrangement Normally open (SPST) O C Normally closed (SPST) OO 2 Normally open (DPST) CC 2 Normally closed (DPST) OC 1 Normally open 1 Normally closed (DPST) F T X LFTX Lead free, RoHS terminals tin plated Translucent button Travel 1.5 1.5 mm Dimensions are shown: mm Specifications and dimensions subject to change D–6 www.ck-components.com K12S High Performance SMT Key Switches K12SA/K12SC IP40 with peg / IP40 without peg 6,7 2,8 4 (2x)2,4 (4x)2,1 3 11,6 ø 10,8 (4X)2,35 2,1 RECOMMENDED PCB LAYOUT 3 12 4 1 (2x)7,8 2 prohibited area ø 3,1±0,05 1 2 4,1 4,5 With Peg Without Peg 1,7 1 1,3 9,1±0.15 ø 6,4 ø 3,26 ± 0,05 K12SB / K12SD IP67 with peg / IP67 without peg 6,7 2,8 3 4 (4X)2,35 D 2,1 3 12 4 2 (2x)7,8 1 RECOMMENDED PCB LAYOUT prohibited area ø 3,1±0,05 1 2 4,1 4,5 9,1±0.15 Without Peg 1,7 1 1,3 ø 6,4 With Peg ø 3,26 ± 0,05 ø 11,2 Dimensions are shown: mm Specifications and dimensions subject to change D–7 www.ck-components.com Key Switches 11,6 (4x)2,1 (2x)2,4 K12S High Performance SMT Key Switches OPTION S L SPST version Single NO D DPST version LED version Single NC + LED Single NO + LED Single NC Double NO Double NC LED COLOR OPTION CODE LED COLOR No LED YE0 RD0 GN0 OR0 WH0 AM0 Yellow Red Green Orange White Amber TRAVEL 1.5 1.5 mm OPERATING FORCE OPTION CODE OPERATING FORCE 3N 5N 3N 6N 9N 6N 5N 9N 4/8N 4/8N (double step actuation) 6/12N 6/12N (double step actuation) CONTACT ARRANGEMENT CC OC(1) Normally open (SPST and LED versions) Normally closed (SPST and LED versions) 2 Normally closed (DPST version) 1 Normally open/ 1 Normally closed (DPST) (1) Please contact Technical support for this configuration 2 Normally open (DPST version) using the “Ask a Specialist”option on the K12S product web page. TAPE AND REEL 1,75 DIRECTION OF FEED 0.5 11,5 4 24 2 1,5 A B B SECTION A-A A 13,63 3,5 12 11,45 O C OO 24 Key Switches D SECTION B-B D–8 Dimensions are shown: mm Specifications and dimensions subject to change www.ck-components.com