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.) (cid:129) Available in two sizes: 6 × 6 mm and 12 × 12 mm sizes. (cid:129) Ground terminal available to protect against static electricity. (cid:129) 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 Flat type 4.3 mm 1.96 N {200 gf} White B3W-4000 B3W-4100 Series plated max. 3.43 N {350 gf} Yellow B3W-4005 B3W-4105 max. 100 pcs 100 pcs Projected type 7.3 mm 1.96 N {200 gf} White B3W-4050 B3W-4150 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. 1

B3W B3W ■ Ratings/Characteristics Rating (resistive load) 1 to 50 mA, 3 to 24 VDC Minimum applicable load (reference value) 10 μA at 1 VDC (resistive load) Ambient operating temperature -25°C to +70°C at 60%RH max. (with no icing or condensation) Ambient operating humidity 35% to 85% (at +5 to +35°C) Contact form SPST-NO Contact resistance (initial value) 100 mΩ max. Insulation resistance 100 MΩ 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 Shock resistance Destruction: 1,000 m/s2 {approx. 100 G} max. Malfunction: 100 m/s2 {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@@0 B3W-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. Pretravel (PT) 0.25+0.2/ mm –0.1 12 × 12 mm Models Type B3W-4000 series Operating force (OF) 1.96 N 3.43 N Item Model B3W-4@@0 B3W-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. Pretravel (PT) 0.3+0.2/ mm –0.1 ■ Model Structure Plunger Spacer Cover Sealed rubber Contact dome Base Fixed contact 2

B3W B3W ■ Dimensions (Unit: mm) Note: The numbers used for terminals in the following graphics are indicated in the “Bottom View” diagram below. In this 2 1 diagram, the Switch is rotated so that the terminals are on the right and left-hand sides, and the OMRON logo appears 4 3 the right way up. (Bottom View) ■ 6 × 6 mm Models F(wlaitth Poluutn Ggeror uTynpde 6±0.2 3.3 dia. F(wlaitth P Glurnoguenrd T ype 6±0.2 3.3 dia. Terminal) Terminal) B3W-1000 6.6±0.2 4.5±0.2 B3W-1100 6.6±0.2 4.5±0.2 B3W-1102 B3W-1002 1.5 4.3±0.2 3.4 4.3±0.2 3.4 3.5 3.5 (1.8) (1.8) 0.3 0.7 0.3 6.5±0.5 0.7 0.7 6.5±0.5 0.7 0.7 7.7±0.5 7.7±0.5 0.25 PCB Processing Dimensions PCB Processing Dimensions Terminal Arrangement (Reference Only) (Top View) Terminal Arrangement (Reference Only) (Top View) /Internal Connections (PCB thickness, t=1.6) /Internal Connections (PCB thickness, t=1.6) (Top View) (Top View) 4 3 4 3 4.5±0.1 4.5±0.1 2 1 4.1±0.1 2 1 Five, 1±0.05 dia. 5 6.5±0.1 Four, 1±0.05 dia. 6.5±0.1 Flat Plunger Type (without Ground 6±0.2 3.3 dia. Terminal) B3W-1020 6.6±0.2 4.5±0.2 B3W-1022 5(cid:2057)±0.2 3.4 3.5 0.3 (1.8) 0.7 0.7 6.5±0.(cid:2057)5 7.7±0.(cid:2057)5 PCB Processing Dimensions Terminal Arrangement (Reference Only) (Top View) /Internal Connections (PCB thickness, t=1.6) (Top View) 4 3 4.5±0.1 2 1 6.5±0.1 Four, 1±0.05 dia. Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions. No terminal numbers are indicated on the Switches. 3

B3W B3W Projected Plunger Type Projected Plunger Type (without Ground 6±0.2 3.3 dia. (with Ground 6±0.2 3.3 dia. Terminal) Terminal) B3W-1050 4.5±0.2 B3W-1150 6.6±0.2 4.5±0.2 B3W-1052 6.6±0.2 B3W-1152 1.8±0.1 2.4 × 2.4±0.1 1.8±0.1 2.4 × 2.4±0.1 7.3±0.2 7.3±0.2 4.3±0.2 3.4 4.3±0.2 3.4 3.5 3.5 (1.8) (1.8) 0.3 0.7 0.3 6.5±0.5 0.7 0.7 1.5 0.7 0.7 7.7±0.5 6.5±0.5 0.25 7.7±0.5 PCB Processing Dimensions Terminal Arrangement PCB Processing Dimensions (Reference Only) (Top View) /Internal Connections (Reference Only) (Top View) Terminal Arrangement (PCB thickness, t=1.6) (Top View) (PCB thickness, t=1.6) /Internal Connections (Top View) 4 3 4 3 4.5±0.1 4.5±0.1 2 1 4.1±0.1 2 1 6.5±0.1 Four, 1±0.05 dia. Five, 1±0.05 dia. 6.5±0.1 Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions. No terminal numbers are indicated on the Switches. 4

B3W B3W ■ 12 × 12 mm Models Flat Plunger Type Flat Plunger Type (Tweritmhoinuatl )Ground 12±0.2 7.1 dia. (Tweritmh iGnarol)und 12±0.2 7.1 dia. B3W-4000 B3W-4100 B3W-4005 B3W-4105 12±0.2 5±0.2 12±0.2 5±0.2 1.6 4.3±0.2 3.55 4.3±0.2 3.55 3.5 3.5 112.6.5 d±i0a.5. (1.8) 1 9 1 2.06.9 0.3 (1.8) 0.25 1 9 1 1.6 13.8±0.5 12.5±0.5 6.9 13.8±0.5 PCB Processing Dimensions PCB Processing Dimensions (Reference Only) (Top View) (Reference Only) (Top View) Terminal Arrangement Terminal Arrangement (PCB thickness, t=1.6) (PCB thickness, t=1.6) /Internal Connections /Internal Connections Two, 1.8±0.05 dia. (Top View) T(fworo ,p 1o.s8it±i0o.n05in dgia b.oss) (Top View) (for positioning boss) 4 3 4 3 5±0.1 9±0.1 5±0.1 9±0.1 2 1 2 1 6.9±0.1 5 Five, 1.2±0.05 dia. 12.5±0.1 Four, 1.2±0.05 dia. 12.5±0.1 Projected Plunger Type Projected Plunger Type (without Ground Terminal) 12±0.2 (with Ground 12±0.2 Terminal) B3W-4050 B3W-4150 B3W-4055 12±0.2 5±0.2 B3W-4155 12±0.2 5±0.2 @3.8±0.1 @3.8±0.1 1.8±0.1 1.8±0.1 7.3±0.2 7.3±0.2 4.3±0.2 3.55 4.3±0.2 3.55 3.5 3.5 112.6.5 d±i0a.5. 0.3 (1.8) 1 9 1 2.06. 9 0.3 (1.8) 0.25 1 9 1 1.6 13.8±0.5 12.5±0.5 6.9 13.8±0.5 PCB Processing Dimensions PCB Processing Dimensions (Reference Only) (Top View) Terminal Arrangement (Reference Only) (Top View) Terminal Arrangement (PCB thickness, t=1.6) /Internal Connections (PCB thickness, t=1.6) /Internal Connections (Top View) (Top View) T(fworo ,p 1o.s8it±i0o.n05in dgia b.oss) T(fworo ,p 1o.s8it±i0o.n05in dgia b.oss) 4 3 4 3 5±0.1 9±0.1 5±0.1 9±0.1 2 1 2 1 6.9±0.1 5 12.5±0.1 Four, 1.2±0.05 dia. Five, 1.2±0.05 dia. 12.5±0.1 Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions. 5

B3W B3W ■ Key Tops B32-series Key Tops are available for projected plungers. Refer to the datasheet for the B32 for details. ■ Precautions Be sure to read the safety precautions common to all Tactile Switches for correct use. (cid:129) Application examples provided in this document are for reference only. In actual applications, confirm equipment functions and safety before using the product. (cid:129) Consult your OMRON representative before using the product under conditions which are not described in the manual or applying the product to nuclear control systems, railroad systems, aviation systems, vehicles, combustion systems, medical equipment, amusement machines, safety equipment, and other systems or equipment that may have a serious influence on lives and property if used improperly. Make sure that the ratings and performance characteristics of the product provide a margin of safety for the system or equipment, and be sure to provide the system or equipment with double safety mechanisms. Note: Do not use this document to operate the Unit. OMRON Corporation Electronic and Mechanical Components Company Contact: www.omron.com/ecb Cat. No. A075-E1-07 1014(0207)(O) 6

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: O mron: B3W-1152 B3W-1100 B3W-4005 B3W-1002 B3W-1000 B3W-1050 B3W-4000 B3W-4105 B3W-4055 B3W-4050 B3W-1000S B3W-1052 B3W-1002S B3W-4000S B3W-4050S B3W-4055S B3W-1102 B3W-1150 B3W-4155 B3W-4100 B3W-4150 B3W-1052BYOMZ