Sealed Tactile Switch (SMT) B3S Surface-mounting Switches with a Sealed Structure for High Reliability. Available on Embossed Tape • Sealed construction conforming to IP67 (IEC-60529) provides high contact reliability in locations exposed to dust or water. (* Excluding the terminal section.) (cid:129) Surface-mounting terminals for high-density mounting. (cid:129) Ground terminal available to protect against static electricity. (cid:129) Available in embossed taping packages for auto- matic mounting. RoHS Compliant ■ List of Models 6 × 6 mm Models Without ground terminal With ground terminal Bags Embossed taping Bags Embossed taping Model Minimum Model Minimum Model Minimum Model Minimum Operation Contact Operating Plunger packing packing packing packing type material Height force (OF) color unit unit unit unit B3S-1000 Silver 4.3 mm 1.57 N Ivory B3S-1000 100 pcs B3S-1000P 1,000 pcs B3S-1100 100 pcs B3S-1100P 1,000 pcs Series plated {160 gf} max. 2.26 N Yellow B3S-1002 B3S-1002P B3S-1102 B3S-1102P {230 gf} max. Note: Switches in bags must be ordered in units of 100 Switches, and Switches on embossed taping must be ordered in units of 1,000 Switches. ■ 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. 100G} max. Malfunction: 100 m/s2 {approx. 10G} max. Durability Standard force models (1.57 N {160 gf}): 500,000 operations min. High-force models (2.26 N {230 gf}): 300,000 operations min. Weight Approx. 0.3 g Degree of protection IEC IP67 Washing Possible ■ Operating Characteristics Type B3S Series Operating force (OF) 1.57 N 2.26 N Item Model B3S-1@00 B3S-1@02 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/–0.1 mm 1

B3S B3S ■ Model Structure Plunger Cover Spacer Sealing rubber Contact dome Base Fixed contact ■ 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) Without Ground Terminal PCB Pad Terminal Arrangement B3S-1000 6 3.3 (Top View) /Internal Connections B3S-1002 dia. 0.7 (Top View) 9.5 6.6 4.5 6.4 4 3 4.5 4.3 3.4 2 1 9 0.1 1.3 0.7 0.7 With Ground Terminal PCB Pad Terminal Arrangement BB33SS--11110002 6 3d.ia3. 0.7 (Top View) /(ITnotper Vniaelw C)onnections 6.6 4.5 9.5 6.4 4 3 0.7 4.5 4.953.25 2 1 1.5 5 1.3 4.3 3.4 1.3 9 0.1±0.2 0.7 0.7 Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions. No terminal numbers are indicated on the Switches. ■ Precautions Be sure to read the safety precautions common to all Tactile Switches for correct use. 2

B3S B3S (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. A204-E1-02 1014(0207)(O) 3

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: O mron: B3S-1100 B3S-1102 B3S-1102P B3S-1000P B3S-1002P B3S-1000 B3S-1002 B3S-1100P