KMR243GLFG

KMR 2 Series Microminiature SMT Top Actuated Features/Benefits • Long Life version • 4 actuation forces • Optional ground pin • Ultra low current capabilities • Excellent tactile feel Typical Applications • Automotive • Cellular phones • Industrial electronics • Medical equipment B Specification FUNCTION: momentary action CONTACT ARRANGEMENT: 1 make contact = SPST, N.O. TERMINALS: Gullwing type for SMT Electrical MAXIMUM POWER: MAXIMUM VOLTAGE: MINIMUM VOLTAGE: MAXIMUM CURRENT: MINIMUM CURRENT: DIELECTRIC STRENGTH: CONTACT RESISTANCE: INSULATION RESISTANCE: BOUNCE TIME: Silver 1 VA 32 VDC 20 mVDC 50 mA 1 mA* ≥ 250 Vrms ≤ 100 mΩ ≥ 1GΩ ≤ 3 ms Gold 0.2 VA 32 VDC 20 mVDC 10 mA 1 mA* Tactile Switches Mechanical Type G and NG (except gold version G only) See description below KMR211 LFS KMR213 LFG KMR221 LFS KMR223G LFG KMR231 LFS KMR233G LFG KMR231 ULC LFS KMR232 LFS KMR232 ULC LFS KMR241 LFS KMR243G LFG KMR241 ULC LFS KMR242 LFS KMR242 ULC LFS Operating force N (grs) 1.2 1.2 2.0 2.0 3.0 3.0 3.0 3.0 3.0 4.0 4.0 4.0 4.0 4.0 (120) (120) (200) (200) (300) (300) (300) (300) (300) (400) (400) (400) (400) (400) ± ± ± ± ± ± ± ± ± ± ± ± ± ± 0.30 0.30 0.50 0.50 0.75 0.75 0.75 0.75 0.75 1.00 1.00 1.00 1.00 1.00 Operating life (cycles) 200 200 200 200 150 150 150 300 300 100 100 100 200 200 000 000 000 000 000 000 000 000 000 000 000 000 000 000 Travel (mm) *For ULC version minimum current is 1µA at 1.8 VDC 0.20 0.20 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.30 0.30 0.30 0.30 0.30 mm mm mm mm mm mm mm mm mm mm mm mm mm mm ± ± ± ± ± ± ± ± ± ± ± ± ± ± 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 Environmental OPERATING TEMPERATURE: STORAGE TEMPERATURE: Silver -40˚C to 85˚C -55˚C to 85˚C Gold -40˚C to 125˚C -55˚C to 125˚C Process Infrared Reflow Soldering in accordance with IEC61760-1 Packaging In reels of 7,000 pieces for KMR 2 External diameter 330 mm ± 2 mm NOTE: Specifications listed above are for switches with standard options. For information on specific and custom switches, consult Customer Service Center. TACTILE FEELING: for KMR 2 series: ≥ 30% (1.2N at 20%) Part Number Description For any part number different from those listed above, please consult your local representative. K M R 2 3 1 N G U L C L F S Total height 2 1,9 mm LFS Lead free compatible, silver plated LFG Lead free compatible, gold plated Actuation Force 1 1.2 N (120 grams) 2 2 N (200 grams) 3 3 N (300 grams) 4 4 N (400 grams) Contact Material 1 Silver 2 Silver long life 3 Gold Low Current capability Void Under standard specification ULC Low current Grounding option G Ground pin NG No Ground pin Dimensions are shown: Inches (mm) Specifications and dimensions subject to change B–9 www.ck-components.com KMR 2 Series Microminiature Tact Switch for SMT KMR 2 Series - 1.9 mm height B PCB layout shown with ground pin option 3,2 B Tactile Switches B 4,6 1,4 ± 0,15 1,9 ± 0,2 1,7 5 0,55 3 1 0,6 4 5 SECTION A-A 4,2 2,8 ± 0,2 0,6 1,61 0,6 2,11 TAPE & REEL DE-REELING DIRECTION OUT OF THE TAPE 70 max 2,2 2,13 ± 0,1 4 ± 0,1 2 ± 0,05 ø 1,5 ± 0,1 5,5 ± 0,05 +0,3 1,75 B 1 A 2 A 60 max 0,292 ± 0,02 GROUND TERMINAL 3,03 ± 0,1 B ø 1,5 0 +0,25 DIRECTION OF FEED Dimensions are shown: Inch (mm) Specifications and dimensions subject to change B–10 www.ck-components.com 4,95 ± 0,1 12 -0,1 2,6 2,45