Long-stroke Tactile Switch B3M Through-hole-mounting Switches with a Long Stroke and a Sharp Click • Long stroke of 0.85 mm provides radically improved operability. Light touch with a minimum overstroke of 0.25 mm. High durability achieved with 2,000,000-operation capability. RoHS Compliant ■ List of Model 6 × 6 mm Models Model Contact Height Operating force (OF) Plunger color Bags material Model without Minimum ground terminal packing unit B3M Silver plated 7.3 mm 0.69 N {70 gf} Black B3M-6009 100 switches Note: Bulk Packaged, 100 switches per bag. Order in multiple of the package quantity. ■ Ratings/Characteristics Rating (resistive load) 1 to 50 mA, 3 to 12 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) 500 mΩ max. Insulation resistance 100 MΩ min. (at 250 VDC with insulation tester) Dielectric strength 250 VAC, 50/60Hz for 1 min Bounce time 5 ms max. Vibration resistance Malfunction: 10 to 55 Hz, 1.5-mm double amplitude 2 Shock resistance Malfunction: 100 m/s {approx. 10G} max. Durability 2,000,000 operations min. Weight Approx. 0.27 g Degree of protection IEC IP00 Washing Not possible 1 B3M B3M ■ Operating Characteristics Item B3M-6009 Operating force (OF) 0.69±0.20 N {70±20 gf} Releasing force (RF) 0.2 N {20 gf} min. Pretravel (PT) 0.5 mm max. Overtravel (OT) 0.2 mm min. ■ Dimensions (Unit: mm) Note: The numbers used for terminals in the following graphics are indicated in the “Bottom View” diagram below. In this 1 diagram, the Switch is rotated so that the terminals are on the right and left-hand sides, and the OMRON logo ap- pears the right way up. 2 (BOTTOM VIEW) 6±0.2 6±0.2 PCB Processing Dimensions (Reference Only) Terminal Arrangement 3.9 dia. (Top View) /Internal Connections 3.1 (PCB thickness, t=1.6) (Top View) +0.1 Two, 1 dia. 0 7.3±0.2 6.5 1 2 4.8 5±0.1 3.5 0.2 max. 0.5 0.3 5±0.2 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 on pages for correct use. 2 B3M B3M Application examples provided in this document are for reference only. In actual applications, confirm equipment functions and safety before using the product. 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. C109-E1-05 1014(0207)(O) 3