K5A2 Series Snap Action Key Switch Switch Features/Benefits • Quiet actuation • Space Saving • RoHS compliant Typical Applications • Automotive • Computers and network equipment Construction Gold Silver .02 VA / 1 VA 20 mVDC/50 VDC 10µA / 100 mA ≤ 100 mΩ ≥ 1GΩ 5 ms .02 VA / 1 VA 20 mVDC/50 VDC 1 mA / 100 mA ≤ 100 mΩ ≥ 1GΩ 5 ms Electrical FUNCTION: Momentary action CONTACT ARRANGEMENT: Normally open TERMINALS: Gullwing type for SMT POWER MIN / MAX: VOLTAGE MIN / MAX: CURRENT MIN / MAX DC: CONTACT RESISTANCE: INSULATION RESISTANCE: BOUNCE TIME: Mechanical OPERATING FORCE: (6N version) 5,5 + 0,5 -1N 3,7 + 0,8N -0,5N OPERATING LIFE: 50,000 operations TOTAL TRAVEL: 0.8 mm +/- 0.2 mm ELECTRICAL TRAVEL: 0,5 mm +/- 0.1 mm Environmental OPERATING TEMPERATURE: -40˚C to +105˚C STORAGE TEMPERATURE: -50˚C to +125˚C -40˚C to +85˚C -50˚C to +95˚C Packaging Process Switches are delivered on continuous tape, in reels of 600 pieces SOLDERING: Lead Free reflow compatible in accordance with CEI 60068-2-58 and Nr. 8GD000004 Note: Specifications listed above are for switches with standard options. Materials For information on specific and custom switches, consult Customer Service Center. CONTACTS: Au over Ni-layer SOLDERING PINS: Au HOUSING: Thermoplastic UL 94 H-B Ag on Ni-layer Ag 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 and place it in the appropriate box. 5 A Key Switches K 2 Series K5A2 Single stroke Actuation Force 2N 2 N 200 grams 4N 4 N 400 grams 6N 6 N 600 grams Version AU Gold AG Silver Dimensions are shown: mm Specifications and dimensions subject to change D–5 D www.ck-components.com K5A2 Series Snap Action Key Switch Switch K5A2 SINGLE STROKE VERSION PCB LAYOUT, MOUNTING SIDE 8.25±0.15 2 6 4 5 contact pads 5.75±0.05 1.42 3 ø 0.9 7 actuating axis 1. 2 + 0.1 Date Code ø 6.4 0.09±0.04 2 holes coding pins A 505 A 1.2 1.2 1.2 ø1.1 1.15±0.1 1.5 -0.3 5.6 D -0.05 ø 0.8 1 0.05 -0.05 5.75±0.05 1.8 1.8 1 2 3 6 5 4 0.8 0.8 1 Tape and Reel ,10 4 ±0,10 ±0,20 +0 40 0 0 10 x 4 = B 6,85 ±0,20 A ( 2,3 ) ±0,30 A ( 8,9 ) ±0,10 (3,9) 4,75 ( 7,5 ) ø 1,5 2 ±0,10 0,50 16 ±0,10 0,50 B 0 + 0,10 4,60 ±0,10 ø 1,50 ø 1,50 24 Key Switches +0.1 4.2 8±0.1 1 ø 3.55±0.1 3.75±0.15 end point 4.05±0.1 switching point 4.55±0.1 10.5±0.2 cicuit diagram Dimensions are shown: mm Specifications and dimensions subject to change D–6 www.ck-components.com