KMR442G ULC LFS

KMR 4 Series Microminiature SMT Top Actuated Features/Benefits • Small footprint • 4 actuation forces • Excellent tactile feel • Ultra low current capabilities • IP40 Typical Applications • Automotive • Industrial electronics • Medical equipment B Electrical FUNCTION: momentary action CONTACT ARRANGEMENT: 1 make contact = SPST, N.O. TERMINALS: Gullwing type for SMT MAXIMUM POWER: MAXIMUM VOLTAGE: MINIMUM VOLTAGE: MAXIMUM CURRENT: MINIMUM CURRENT: DIELECTRIC STRENGTH: CONTACT RESISTANCE: INSULATION RESISTANCE: BOUNCE TIME: Mechanical Operating force N (grs) Type G and NG See description below KMR411 LFS KMR411 ULC LFS KMR413 LFG KMR413 ULC LFG KMR421 LFS KMR421 ULC LFS KMR423 LFG KMR423 ULC LFG KMR431 LFS KMR431 ULC LFS KMR432 LFS KMR432ULC LFS KMR433 LFG KMR433ULC LFG KMR441 LFS KMR441 ULC LFS KMR442 LFS KMR442 ULC LFS KMR443 LFG KMR443 ULC LFG 1.2 1.2 1.2 1.2 2.0 2.0 2.0 2.0 3.0 3.0 3.0 3.0 3.0 3.0 4.0 4.0 4.0 4.0 4.0 4.0 (120) (120) (120) (120) (200) (200) (200) (200) (300) (300) (300) (300) (300) (300) (400) (400) (400) (400) (400) (400) ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± 0.30 0.30 0.30 0.30 0.50 0.50 0.50 0.50 0.75 0.75 0.75 0.75 0.75 0.75 1.00 1.00 1.00 1.00 1.00 1.00 Operating life (cycles) 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 300,000 300,000 100,000 100,000 100,000 100,000 200,000 200,000 100,000 100,000 Travel (mm) 0.20 0.20 0.20 0.20 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.30 0.30 0.30 0.30 0.30 0.30 mm mm mm mm mm mm 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 0.1 0.1 0.1 0.1 0.1 0.1 Silver Gold 1 VA 32 VDC 20 mVDC 50 mA 1 mA* ≥ 250 Vrms ≤ 100 mΩ ≥ 1GΩ ≤ 3 ms 0.2 VA 32 VDC 20 mVDC 10 mA 1 mA* *For ULC version minimum current is 1µA at 1.8 VDC Environmental Silver Gold OPERATING TEMPERATURE: -40˚C to 85˚C STORAGE TEMPERATURE: -55˚C to 85˚C -40˚C to 125˚C -55˚C to 125˚C Process Soldering: Lead free reflow soldering process in accordance with IEC 61760-1. Packaging In reels of 6,000 pieces 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: KMR 4 series with actuation force in 2N - 3N - 4N: ≥ 25% KMR 4 series with actuation force in 1.2N: ≥ 20% Part Number Description For any part number different from those listed above, please consult your local representative. K M R 4 Total height 4 2,5 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 * Silver long life is available in 3N and 4N actuation force. For other versions, please contact Customer Service. Dimensions are shown: mm Specifications and dimensions subject to change 24 Aug 21 B–19 www.ckswitches.com Tactile Switches Specification KMR 4 Series Microminiature Tact Switch for SMT G - Ground Pin 1 3 2 0,04 0,03 2,5 0,2 1,4 0,15 ELECTRICAL DIAGRAM 4 0,2 0,1 0,1 5 3,2 1,7 0,6 1 1,61 2,45 2 2,6 3 2,2 0,6 1 2,8 0,2 4 0,6 0,55 5 RECOMMENDED LAYOUT 2,11 NG - No Ground Pin 2,5 0,2 1,4 0,15 ELECTRICAL DIAGRAM 0,1 4,6 4 1 3 2 5 4,2 0,2 3,2 2 1 1,61 0,6 3 2,6 1 2,2 4 2,8 0,2 0,6 RECOMMENDED LAYOUT 0,6 2,11 TAPE & REEL DE-REELING DIRECTION SECTION A-A OUT OF THE TAPE 60 max 2,75 ± 0,1 4 ± 0,1 2 ± 0,05 ø 1,5 ± 0,1 1,75 B 4,95 ± 0,1 5,5 ± 0,05 +0,3 12 -0,1 Tactile Switches B 4,6 4,2 0,2 A A 60 max 0,292 ± 0,02 B GROUND TERMINAL 3,03 ± 0,1 Dimensions are shown: mm Specifications and dimensions subject to change 24 Aug 21 B–20 www.ckswitches.com