18 b3w sealed tactile switch interchangeable with b3f-series switches, with sealed construction to ensure highly reliable operation sealed construction conforming to ip67 (iec- 60529) provides high reliability in locations exposed to dust or water. ( * excluding the termi- nal section.) thin, compact in both 6 6 mm and 12 12 mm sizes. available with ground terminals for protection against static electricity. projected plunger types that allow the installation of b32-series special key tops are available. ordering information note: orders must be made in units of 100 pieces (quantity per bag). rohs compliant (refer to page 8 for details.) type plunger height operating force (of) bags (in units of 100 switches) without ground termin al with ground termin al 6 6 mm B3W-1000 4.3 mm standard force 1.57 n {160 gf} B3W-1000 b3w-1100 high-force 2.26 n {230 gf} b3w-1002 b3w-1102 7.3 mm standard force 1.57 n {160 gf} b3w-1050 b3w-1150 high-force 2.26 n {230 gf} b3w-1052 b3w-1152 12 12 mm b3w-4000 4.3 mm standard force 1.96 n {200 gf} b3w-4000 b3w-4100 high-force 3.43 n {350 gf} b3w-4005 b3w-4105 7.3 mm standard force 1.96 n {200 gf} b3w-4050 b3w-4150 high-force 3.43 n {350 gf} b3w-4055 b3w-4155 flat type projected type flat type projected type
19 b3w b3w nomenclature specifications ratings/characteristics operating characteristics plunger cover spacer contact dome sealed rubber fixed contact base switching capacity 1 to 50 ma, 5 to 24 vdc (resistive load) ambient operating temperature ? 25 c to 70 c at 60% max. humidity (with no icing or condensation) ambient operating humidity 35% to 85% (at 5 to 35 c) contact configuration spst-no contact resistance 100 m ? max. (initial value) (rated: 1 ma, 5 vdc) insulation resistance 100 m ? min. (at 250 vdc) dielectric strength 500 vac, 50/60 hz for 1 min 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. life expectancy B3W-1000: 1 .57 n (standard force):1,000,000 operations min. 2.26 n (high-force):300,000 operations min. b3w-4000: 1 .96 n (standard force):3,000,000 operations min. 3.43 n (high-force):1,000,000 operations min. weight 6 6 mm: approx. 0.3 g, 12 12: approx. 1 g item B3W-1000 b3w-4000 1.57 n 2.26 n 1.96 n 3.43 n operating force (of) 1.57 n {160 gf} max. 2.26 n {230 gf} max. 1.96 n {200 gf} max. 3.43 n {350 gf} max. releasing force (rf) 0.2 n {20 gf} min. 0.49 n {50 gf} min. 0.29 n {30 gf} min. 0.49 n {50 gf} min. pretravel (pt) 0.25 +0.2 / ?0.1 mm 0.3 +0.2 / ?0.1 mm
20 b3w b3w dimensions note: 1. all units are in millimeters unless otherwise indicated. unless otherwise specified, a tolerance of 0.4 mm applies to all dimen- sions. 2. no terminal numbers are indicated on the switches. the numbers used for terminals in the following graphics are indicated in the ?bottom view? diagram below. in this diagram , the switch is rotated so that the terminals are on the right and left-hand sides, and the omron logo appears the right way up. 6 6 mm models (bottom view) 2 4 1 3 B3W-1000 b3w-1002 b3w-1100 b3w-1102 pcb mounting (top view) (single-sided pcb, t=1.6) terminal arrangement /internal connections (top view) pcb mounting (top view) (single-sided pcb, t=1.6) terminal arrangement /internal connections (top view) b3w-1050 b3w-1052 pcb mounting (top view) (single-sided pcb, t=1.6) terminal arrangement /internal connections (top view) flat plunger type (without ground terminal) flat plunger type (with ground terminal) projected plunger type (without ground terminal) b3w-1150 b3w-1152 projected plunger type (with ground terminal) pcb mounting (top view) (single-sided pcb, t=1.6) terminal arrangement /internal connections (top view) 6.6 0.2 6 0.2 3.3 dia. 4.5 0.2 4.3 0.2 3.5 (1.8) 0.7 0.7 3.4 6.5 0.5 7.7 0.5 0.3 6.5 0.1 4.5 0.1 four, 1 0.05 dia. 4 2 3 1 6.5 0.1 4.5 0.1 4.1 0.1 five, 1 0.05 dia. 6.6 0.2 6 0.2 3.3 dia. 4.5 0.2 4.3 0.2 3.5 (1.8) 0.7 1.5 0.7 0.25 0.7 3.4 6.5 0.5 7.7 0.5 0.3 4 2 3 1 5 6.6 0.2 6 0.2 3.3 dia. 4.5 0.2 4.3 0.2 7.3 0.2 3.5 1.8 0.1 (1.8) 2.4 2.4 0.1 0.7 0.7 3.4 6.5 0.5 7.7 0.5 0.3 6.5 0.1 4.5 0.1 four, 1 0.05 dia. 4 2 3 1 6.6 0.2 6 0.2 3.3 dia. 4.5 0.2 (1.8) 0.3 0.7 0.7 1.5 0.25 0.7 3.4 6.5 0.5 7.7 0.5 4.3 0.2 7.3 0.2 3.5 1.8 0.1 2.4 2.4 0.1 6.5 0.1 4.5 0.1 4.1 0.1 five, 1 0.05 dia. 4 2 3 1
21 b3w b3w 12 12 mm models b3w-4000 b3w-4005 pcb mounting (top view) (single-sided pcb, t=1.6) terminal arrangement /internal connections (top view) flat plunger type (without ground terminal) b3w-4050 b3w-4055 b3w-4150 b3w-4155 projected plunger type (without ground terminal) pcb mounting (top view) (single-sided pcb, t=1.6) terminal arrangement /internal connections (top view) pcb mounting (top view) (single-sided pcb, t=1.6) terminal arrangement /internal connections (top view) projected plunger type (with ground terminal) pcb mounting (top view) (single-sided pcb, t=1.6) b3w-4100 b3w-4105 flat plunger type (with ground terminal) terminal arrangement /internal connections (top view) 12 0.2 12 0.2 7.1 dia. 5 0.2 4.3 0.2 3.5 3.55 (1.8) 0.3 11 12.5 0.5 9 13.8 0.5 four, 1.2 0.05 dia. 5 0.1 two, 1.8 0.05 dia. (for positioning boss) 12.5 0.1 9 0.1 4 2 3 1 12 0.2 12 0.2 7.1 dia. 5 0.2 4.3 0.2 3.5 3.55 (1.8) 0.3 0.25 0.9 2.6 1.6 11 12.5 0.5 6.9 13.8 0.5 five, 1.2 0.05 dia. 5 0.1 6.9 0.1 12.5 0.1 two, 1.8 0.05 dia. (for positioning boss) 9 0.1 4 2 3 1 5 12 0.2 12 0.2 5 0.2 3.8 3.8 0.1 4.3 0.2 3.5 3.55 (1.8) 0.3 11 12.5 0.5 9 13.8 0.5 1.8 0.1 7.3 0.2 four, 1.2 0.05 dia. 5 0.1 two, 1.8 0.05 dia. (for positioning boss) 12.5 0.1 9 0.1 4 2 3 1 12 0.2 12 0.2 5 0.2 4.3 0.2 1.8 0.1 7.3 0.2 3.5 3.55 (1.8) 0.3 11 12.5 0.5 13.8 0.5 0.25 6.9 0.9 2.6 3.8 3.8 0.1 five, 1.2 0.05 dia. 5 0.1 6.9 0.1 12.5 0.1 two, 1.8 0.05 dia. (for positioning boss) 9 0.1 4 2 3 1 5 9 9
22 b3w b3w key tops b32-series special key tops are available for projected plunger models. refer to page 42 for details. precautions be sure to read the precautions common to all tactile switches on pages 5 to 7 for correct use. all dimensions shown are in millimeters. to convert millimeters into inches, multiply by 0. 03937. to convert grams into ounces, multiply by 0.03527. cat. no. a075-e1-05a
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