Sealed Tactile Switch B3W Through-hole-mounting Switches That Are Mounting-compatible with B3F Series. Sealed Structure for High Reliability Sealed construction conforming to IP67 (IEC- 60529) provides high reliability in locations exposed to dust or water. (* Excluding the termi- nal section.) Available in two sizes: 6 6 mm and 12 12 mm sizes. Ground terminal available to protect against static electricity. B32-series Key Tops mount to models with pro- jected plungers. RoHS Compliant List of Models 6 6 mm Models Type Contact Plunger Height Operating Plunger Bags material force (OF) color Without Minimum Minimum With ground ground packing packing terminal terminal unit unit B3W-1000 Silver 4.3 mm 1.57 N 160 gf White B3W-1000 B3W-1100 Flat type Series plated max. 2.26 N 230 gf Yellow B3W-1002 B3W-1102 max. 5.0 mm 1.57 N 160 gf White B3W-1020 --- max. 100 pcs 100 pcs 2.26 N 230 gf Yellow B3W-1022 --- max. 7.3 mm 1.57 N 160 gf White B3W-1050 B3W-1150 Projected type max. 2.26 N 230 gf Yellow B3W-1052 B3W-1152 max. Note: Bulk Packaged, 100 switches per bag. Order in multiples of the package quantity. 12 12 mm Models Type Contact Plunger Height Operating Plunger Bags material force (OF) color Without Minimum Minimum With ground ground packing packing terminal terminal unit unit B3W-4000 Silver 4.3 mm 1.96 N 200 gf White B3W-4000 B3W-4100 Flat type Series plated max. 3.43 N 350 gf Yellow B3W-4005 B3W-4105 max. 100 pcs 100 pcs 7.3 mm 1.96 N 200 gf White B3W-4050 B3W-4150 Projected type max. 3.43 N 350 gf Yellow B3W-4055 B3W-4155 max. Note: Bulk Packaged, 100 switches per bag. Order in multiples of the package quantity. 1B3W B3W Ratings/Characteristics Rating (resistive load) 1 to 50 mA, 3 to 24 VDC Minimum applicable load (reference value) 10 A at 1 VDC (resistive load) Ambient operating temperature -25C to +70C at 60%RH max. (with no icing or condensation) Ambient operating humidity 35% to 85% (at +5 to +35C) Contact form SPST-NO Contact resistance (initial value) 100 m max. Insulation resistance 100 M min. (at 250 VDC with insulation tester) 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 2 Shock resistance Destruction: 1,000 m/s approx. 100 G max. 2 Malfunction: 100 m/s approx. 10 G max. Durability 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 mm: approx. 1 g Degree of protection IEC IP67 Washing Possible Operating Characteristics 6 6 mm Models Type B3W-1000 series Operating force (OF) 1.57 N 2.26 N Item Model B3W-1 0B3W-1 2 Operating force (OF) 1.57 N 160 gf max. 2.26 N 230 gf max. Releasing force (RF) 0.2 N 20 gf min. 0.49 N 50 gf min. +0.2 Pretravel (PT) 0.25 / mm 0.1 12 12 mm Models Type B3W-4000 series Operating force (OF) 1.96 N 3.43 N Item Model B3W-4 0B3W-4 5 Operating force (OF) 1.96 N 200 gf max. 3.43 N 350 gf max. Releasing force (RF) 0.29 N 30 gf min. 0.49 N 50 gf min. +0.2 Pretravel (PT) 0.3 / mm 0.1 Model Structure Plunger Spacer Cover Sealed rubber Contact dome Base Fixed contact 2