B3U1100PB

Ultra-small Tactile Switch (SMT) B3U Ultra-small Surface-mounting Tactile Switches with High Contact Reliability (1.2 × 3 × 2.5 mm (H × W × D) • Smallest class in the industry for high-density mounting of compact devices. • Surface mounted: Ideal for high-density mounting. • Models with ground terminals are available for protection against static electricity. • Available on embossed tape: Ideal for automatic mounting. RoHS Compliant ■ List of Models Embossed taping (standard quantity) Operation type Contact material Height B3U-1000 Series: Topactuated Silver plated B3U-3000 Series: Sideactuated Note: ■ Operating Plunger force (OF) color 1.6 mm 1.5 N {153 gf} Black 3.2 mm 1.59 N {162 gf} Locating pin Without ground terminal With ground terminal Minimum packing unit 3,500 Without boss B3U-1000P B3U-1100P With boss B3U-1000P-B B3U-1100P-B Without boss B3U-3000P B3U-3100P With boss B3U-3000P-B B3U-3100P-B Embossed taping (small quantity) Without ground terminal B3U-1000PM With ground terminal B3U-1100PM Minimum packing unit 1,000 B3U-1000PM-B B3U-1100PM-B 4,000 B3U-3000PM B3U-3100PM 1,000 B3U-3000PM-B B3U-3100PM-B Orders must be made in multiples of the order unit specified above. Ratings/Characteristics Item Operation type ■ Top-actuated (B3U-1000 Series) Side-actuated (B3U-3000 Series) Operating Characteristics Operation type Item Top-actuated (B3U-1000 Series) Rating (resistive load) 1 to 50 mA, 3 to 12 VDC Operating force (OF) 1.50 ± 0.49 N {153 ± 50 gf} Minimum applicable load (reference value) 10 μA at 1 VDC (resistive load) Releasing force (RF) 0.2 N min. {20 gf} Ambient operating temperature -25°C to +70°C at 60%RH max. (with no icing or condensation) Pretravel (PT) 0.15 +0.2 −0.1 mm 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 100 VDC with insulation tester) Dielectric strength 250 VAC, 50/60 Hz for 1 min Bounce time 5 ms max. Vibration resistance 10 to 55 Hz, 1.5 mm double amplitude Shock resistance 1,000 m/s2 max. Durability 200,000 operations min. Weight Approx. 0.022 g Degree of protection IEC IP40 Washing Not possible Side-actuated (B3U-3000 Series) 1.59 ± 0.49 N {162 ± 50 gf} 0.2 +0.2 −0.1 mm 100,000 operations min. 1 B3U ■ B3U Dimensions (Unit: mm) Top-actuated Models Without Ground Terminal, without Boss With Ground Terminal, without Boss Terminal Arrangement /Internal Connections (Top View) B3U-1000P(M) 2 Terminal Arrangement /Internal Connections (Top View) B3U-1100P(M) 2 1 1 3 1.6 PCB Pad (Top View) +0.15 −0.10 4 3 2.5 1.4 1.6 4 3 4.2±0.1 2.6±0.1 1.2 +0.15 −0.10 2.5 1.7±0.1 PCB Pad (Top View) +0.15 −0.10 4.2±0.1 2.6±0.1 1.2 +0.15 −0.10 1.4 1.7±0.1 1.1±0.1 1.9 1.1±0.1 1.5 dia. 1.5 dia. 0.5 0.8±0.1 Without Ground Terminal, with Boss With Ground Terminal, with Boss Terminal Arrangement /Internal Connections (Top View) B3U-1000P(M)-B 2 Terminal Arrangement /Internal Connections (Top View) B3U-1100P(M)-B 2 1 1 3 1.6 4 3 2.5 PCB Pad (Top View) +0.15 −0.10 1.6 1.2 +0.15 −0.10 1.4 4 3 4.2±0.1 2.6±0.1 1.7±0.1 2.5 4.2±0.1 2.6±0.1 1.2 +0.15 −0.10 1.4 1.7±0.1 1.1±0.1 1.9 Hole: 0.75 +0.1 0 dia. 1.5 dia. PCB Pad (Top View) +0.15 −0.10 Hole: 1.5 dia. 0.75 +0.1 0 dia. 1.1±0.1 0.5 0.8±0.1 0.5 0.65±0.05 dia. Note: 2 0.5 0.65±0.05 dia. Unless otherwise specified, a tolerance of ±0.2 mm applies to all dimensions. No terminal numbers are indicated on the Switches. B3U B3U Side-actuated Models Without Ground Terminal, without Boss With Ground Terminal, without Boss Terminal Arrangement /Internal Connections (Top View) B3U-3000P(M) 2 B3U-3100P(M) Terminal Arrangement /Internal Connections (Top View) 2 1 1 3 4 3 PCB Pad (Top View) 1.2+0.15 −0.10 1.7 1±0.1 0.9 4 3 1.7 0.9 4.2±0.1 2.6±0.1 1±0.1 2.5 4.2±0.1 2.6±0.1 1.95 1.95 3.2 PCB Pad (Top View) 1.2+0.15 −0.10 3.2 1.7±0.1 1.4 2.5 1.7±0.1 1.4 1.1±0.1 1.9 1.1±0.1 0.5 0.8±0.1 Without Ground Terminal, with Boss B3U-3000P(M)-B With Ground Terminal, with Boss Terminal Arrangement /Internal Connections (Top View) 2 Terminal Arrangement /Internal Connections (Top View) B3U-3100P(M)-B 2 1 1 3 4 3 PCB Pad (Top View) 1.2+0.15 −0.10 1.7 1±0.1 0.9 4.2±0.1 2.6±0.1 1.95 3.2 2.5 4.2±0.1 2.6±0.1 1.95 3.2 1.7±0.1 1.4 PCB Pad (Top View) 1.2+0.15 −0.10 1.7 1±0.1 0.9 4 3 2.5 1.7±0.1 1.4 1.1±0.1 1.9 Hole: 0.75 +0.1 0 dia. Hole: 0.75 +0.1 0 dia. 1.1±0.1 0.5 0.8±0.1 0.5 0.65±0.05 dia. Note: ■ 0.5 0.65±0.05 dia. Unless otherwise specified, a tolerance of ±0.2 mm applies to all dimensions. No terminal numbers are indicated on the Switches. Precautions Be sure to read the precautions common to all Tactile Switches on pages for correct use. 3 B3U B3U 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 2007-2018 All Rights Reserved. In the interest of product improvement, specifications are subject to change without notice. Cat. No. A162-E1-07 0318(0207)(O)