B3SN-3012

Sealed Tactile Switch (SMT) B3SN Sealed Surface-mounting Switches Sealed Structure for High Reliability. Available on Embossed Tape • Sealed construction conforming to IP67 (IEC60529) provides high reliability in locations exposed to dust or water. (* Excluding the terminal section.) • Available with ground terminals for protection against static electricity. • Use of a stainless-steel spring provides a crisp clicking action. • Gold plated version enables stable contact and insulation over long periods of time. • Available in embossed taping packages for automatic mounting. • A small package containing 100 embossed taping reels is available,in addition to the standard package. RoHS Compliant ■ List of Models 6 × 6 mm Models Without ground terminal Bags Operation type Contact material Operating Plunger force (OF) color Height B3SN-3000 Series Silver plated 3.1 mm 1.57 N {160 gf} Ivory Model B3SN3012 Minimum packing unit 100 pcs Model B3SN3012P B3SN3012P-R100 B3SN-G Series Gold-plated Note: ■ Gold plated 1.76 N {180 gf} Black --- With ground terminal Embossed taping --- B3SN3012P-G Minimum packing unit Bags Model 3,000 pcs B3SN3112 Embossed taping Minimum packing unit 100 pcs 100 pcs 3,000 pcs Model B3SN3112P B3SN3112P-R100 --- --- --- Minimum packing unit 3,000 pcs 100 pcs --- Switches in bags must be ordered in units of 100 pieces, and Switches on embossed taping must be ordered in units of 3,000 pieces. Individual Switches are not sold individually. 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 250 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. Durabulity 100,000 operations min. Weight Approx. 0.2 g Degree of protection IEC IP67 Washing Possible 1 B3SN ■ B3SN Operating Characteristics Item Type B3SN-3000 Series Operating force (OF) 1.57±0.49 N {160±50 gf} max. Releasing force (RF) 0.29 N {30 gf} min. Pretravel (PT) 0.25±0.15 mm 2 B3SN-G Series 1.76±0.59 N {180±60 gf} max. B3SN ■ B3SN Model Structure Film Plunger Contact dome Pushbutton Cover Fixed contact Terminals ■ Base Dimensions Note: The numbers used for terminals in the following graphics are indicated in the “Bottom View” diagram below. In this diagram, the Switch is rotated so that the terminals are on the right and left-hand sides, and the OMRON logo appears the right way up. 2 1 4 3 (Bottom View) Without Ground Terminal B3SN-3012 B3SN-3012P B3SN-3012-G B3SN-3012P-R100 7±0.5 6 PCB Pad (Top View) 4±0.2 6 9.5 4 3 dia. 2 3.1 1.2 0.1 Terminal Arrangement /Internal Connections (Top View) 4 3 2 1 +0.3 0 2.6 5.4 0.7 (4.6) 6.5 With Ground Terminal B3SN-3112 B3SN-3112P B3SN-3112P-R100 7±0.5 6 Terminal Arrangement /Internal Connections (Top View) PCB Pad (Top View) 4±0.2 9.5 4 6 4 3 dia. 3 5 3.4±0.2 1.4 2.6 5.4 2 1 +0.3 2 3.1 1.2 Note: ■ 0.1 0 0.7 (4.6) 0.7 6.5 Unless otherwise specified, a tolerance of ±0.3 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. 3 B3SN B3SN Please check each region's Terms & Conditions by region website. OMRON Corporation Electronic and Mechanical Components Company Regional Contact Americas https://www.components.omron.com/ Asia-Pacific https://ecb.omron.com.sg/ Korea https://www.omron-ecb.co.kr/ Europe http://components.omron.eu/ China https://www.ecb.omron.com.cn/ Japan https://www.omron.co.jp/ecb/ © OMRON Corporation 2007-2019 All Rights Reserved. In the interest of product improvement, specifications are subject to change without notice. 4 Cat. No. C096-E1-07 0719(0207)(O)