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 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) 500 m max. Insulation resistance 100 M 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 1B3M B3M Operating Characteristics Item B3M-6009 Operating force (OF) 0.690.20 N 7020 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) 60.2 60.2 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 7.30.2 6.5 1 2 4.8 50.1 3.5 0.2 max. 0.5 0.3 50.2 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