tactile switch b3s 249 tactile switch b3s surface mount tactile switch for high- density packaging ? sealed construction conforming to ip67 (iec-60529) provides high contact reliability in locations exposed to dust or water (*excluding the terminal section) ? surface-mounting terminals for high-density mounting ? ground terminal available to pr otect against static electricity ? available in embossed taping packages for automatic insertion ? rohs compliant ordering information note: order in multiples of the quantities given for each package important note: switches cannot be water-washed. specifications characteristics note: data shown are of initial value. operating characteristics switch height operating force model without ground terminal with ground terminal bags (100 per bag) embossed tape (1,000 per reel) bags (100 per bag) embossed tape (1,000 per reel) 4.3 general-purpose: 160 g B3S-1000 B3S-1000p b3s-1100 b3s-1100p high-force: 230 g b3s-1002 b3s-1002p b3s-1102 b3s-1102p contact form spst-no switching capacity 1 to 50 ma, 5 to 24 vdc (resistive load) contact resistance 100 m max. (rated: 1 ma, 5 vdc) insulation resistance 100 m min. (at 250 vdc) dielectric strength 500 vac, 50/60 hz for 1 minute bounce time 5 ms max. vibration resistance malfunction: 10 to 55 hz, 1.5-mm double amplitude shock resistance destruction: 1,000 m/s 2 (approx. 100 g) max. malfunction: 100 m/s 2 (approx. 10 g) max. ambient operating temperature -25 to 70 c (at 60% rh max.) with no icing or condensation ambient operating humidity 35% to 85% (at 5 to 30 c) service life general-purpose type 500,000 operations min. high-force type 300,000 operations min. weight approx. 0.30 g characteristics general-purpose high-force operating force (of) max. 160 g 230 g release force (rf) min. 20 g 50 g pretravel (pt) 0.25 + 0.2 / - 0.1 mm
250 tactile switch b3s engineering data operating force vs. stroke (typical example) construction dimensions note: 1. unless otherwise specifi ed, all units are in millimeters and a tolerance of 0.4 mm applies to all dimensions. 2. terminal numbers are not indicated on this switch. with the switch turned over so that the logo mark ?omron? is visible on the upper part of the rear side of the switch base, the terminal on the right of the logo mark is numbered ?1? and that on the bottom rig ht is ?3.? accordingly, two terminals on the left si de are numbered ?2? and ?4? respectively. precautions be sure to read the precautions common to all tactile switches, contained in the technical user?s guide, ?tactile switches, tec hnical information? for correct use. cover plun g er contact dome fixed contact base spacer sealin g rubber without g round terminal B3S-1000 b3s-1002 with g round terminal b3s-1100 b3s-1102 pcb pad (top view) terminal arrangement /internal conne c tions (top view) pcb pad (top view) terminal arrangement /internal conne c tions (top view) 9 4.5 3.3 dia. 0.7 6 6.4 9.5 6.6 1.3 4.5 4 2 3 1 4.3 0.1 3.4 0.7 0.7 1.5 9 4.5 3.3 dia. 0.7 6 6.4 9.5 6.6 1.3 1.3 3.25 4.95 4.5 4 2 3 1 4.3 0.1 3.4 0.7 0.7 0.7 5
tactile switch b3s memo
tactile switch b3s omron on-line global - http://www.omron.com usa - http://www.components.omron.com cat. no. x303-e-1 printed in usa omron electronic components llc 55 e. commerce drive, suite b schaumburg, il 60173 847-882-2288 11/10 specificat ions subject to change without notice all sales are subject to omron electronic components llc standard terms and conditions of sale, which can be found at http://www.components.omron.com/compon ents/web/webfiles.ns f/sales_terms.html all dimensions shown are in millimeters. to convert millimeters into inches, multiply by 0.0393 7. to convert grams into ounces, multiply by 0.03527.
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