Tactile Switch B3S Surface Mount Tactile Switch for HighDensity Packaging • Sealed construction conforming to IP67 (IEC-60529) provides high contact reliability in locations exposed to dust or water (*Excluding the terminal section) • Surface-mounting terminals for high-density mounting • Ground terminal available to protect against static electricity • Available in embossed taping packages for automatic insertion • RoHS Compliant Ordering Information Model Without ground terminal Switch height 4.3 Bags (100 per bag) Operating force With ground terminal Embossed Tape (1,000 per reel) Bags (100 per bag) Embossed Tape (1,000 per reel) General-purpose: 160 g B3S-1000 B3S-1000P B3S-1100 B3S-1100P High-force: B3S-1002 B3S-1002P B3S-1102 B3S-1102P 230 g Note: Order in multiples of the quantities given for each package Important Note: Switches cannot be water-washed. Specifications ■ Characteristics Contact form Switching capacity Contact resistance Insulation resistance Dielectric strength Bounce time Vibration resistance Shock resistance Ambient operating temperature Ambient operating humidity Service life General-purpose type High-force type Weight SPST-NO 1 to 50 mA, 5 to 24 VDC (resistive load) 100 mΩ max. (rated: 1 mA, 5 VDC) 100 MΩ min. (at 250 VDC) 500 VAC, 50/60 Hz for 1 minute 5 ms max. Malfunction: 10 to 55 Hz, 1.5-mm double amplitude Destruction: 1,000 m/s2 (approx. 100 G) max. Malfunction: 100 m/s2 (approx. 10 G) max. -25° to 70°C (at 60% RH max.) with no icing or condensation 35% to 85% (at 5 to 30°C) 500,000 operations min. 300,000 operations min. Approx. 0.30 g Note: Data shown are of initial value. ■ Operating Characteristics Characteristics General-purpose Operating force (OF) max. 160 g High-force 230 g Release force (RF) min. 20 g 50 g Pretravel (PT) 0.25 + 0.2/-0.1 mm Tactile Switch B3S 249 Engineering Data ■ Operating Force vs. Stroke ■ Construction (Typical Example) Plunger Cover Spacer Sealing rubber Contact dome Base Fixed contact Dimensions Note: 1. Unless otherwise specified, all units are in millimeters and a tolerance of ± 0.4 mm applies to all dimensions. 2. Terminal numbers are not indicated on this switch. With the switch turned over so that the logo mark “OMRON” is visible on the upper part of the rear side of the switch base, the terminal on the right of the logo mark is numbered “1” and that on the bottom right is “3.” Accordingly, two terminals on the left side are numbered “2” and “4” respectively. Without Ground Terminal B3S-1000 B3S-1002 3.3 dia. 6 PCB Pad (Top View) 0.7 6.6 Terminal Arrangement /Internal Connections (Top View) 9.5 6.4 4.5 4 3 2 1 4.5 4.3 3.4 9 With Ground Terminal 3.3 dia. 6 B3S-1100 B3S-1102 1.3 0.1 0.7 0.7 PCB Pad (Top View) 0.7 6.6 Terminal Arrangement /Internal Connections (Top View) 9.5 6.4 4.5 4 3 4.5 0.7 4.95 1.5 3.25 2 1.3 4.3 1.3 3.4 9 0.1 1 5 0.7 0.7 Precautions Be sure to read the precautions common to all Tactile Switches, contained in the Technical User’s Guide, “Tactile Switches, Technical Information” for correct use. 250 Tactile Switch B3S MEMO Tactile Switch B3S All sales are subject to Omron Electronic Components LLC standard terms and conditions of sale, which can be found at http://www.components.omron.com/components/web/webfiles.nsf/sales_terms.html ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527. OMRON ON-LINE OMRON ELECTRONIC COMPONENTS LLC 55 E. Commerce Drive, Suite B Schaumburg, IL 60173 Global - http://www.omron.com USA - http://www.components.omron.com 847-882-2288 Cat. No. X303-E-1 Tactile Switch 11/10 B3S Specifications subject to change without notice Printed in USA