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B3U-3100P Datasheet(PDF) 4 Page - Omron Electronics LLC |
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B3U-3100P Datasheet(HTML) 4 Page - Omron Electronics LLC |
4 / 6 page 246 Ultra-small Tactile Switch B3U 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. ■ Precautions for Correct Use Soldering Perform reflow soldering within the ranges shown in the terminal tem- perature profile in the following diagram. Washing B3U Switches cannot be washed. Doing so will cause the washing agent, together with flux or dust particles on the PCB, to enter the Switch, resulting in malfunction. Compliance with RoHS Directive The “RoHS Compliant” designation indicates that the product does not contain the following six hazardous substances covered by the RoHS Directive. Reference: The following standards are used to determine compli- ance for the six substances. Lead:1,000 ppm max. Mercury:1,000 ppm max. Cadmium:100 ppm max. Hexavalent chromium:1,000 ppm max. PBB:1,000 ppm max. PBDE:1,000 ppm max. Storage and Operating Environment Do not store the product under the following conditions to prevent discoloration and other deterioration of the terminals. 1. Locations subject to high temperatures or humidity 2. Locations containing corrosive gases 3. Locations subject to direct sunlight The Switch is not provided with a watertight or drip-proof construc- tion. Do not install or operate the product in locations subject to water spray or splashes. Packaging Specifications The specifications for B3U Switches packaged on embossed tape are as follows: B3U-1000 Series B3U-3000 Series Operation Do not repeatedly operate the Switch with excessive force. Applying excessive pressure or applying additional force after the plunger has stopped may deform the disc spring of the Switch, resulting in mal- function. (Maximum force = 30N) Be sure to set up the Switch so that the plunger will be pressed straight in. The life of the Switch may be reduced if the plunger is pressed off-center or from an angle. Do not apply pressure from above or below the plunger. Doing so may deform or damage parts or cause faulty operation. Do not operate the plunger from the side. Doing so may deform or damage the Switch. 180 220 260 max. 150 Preheating time Heating time Time (s) 60 to 120 60 max. Standards Conforms to JEITA. Package 3,500 Switches (B3U-1000 Series) 4,000 Switches (B3U-3000 Series) Heat resistance 50 °C for 24 hours (without deformation) 13 dia. Reel Label Tape drawing direction (19) 330 ±2 dia. 12 ±0.3 5.5 1.75 ±0.1 8+0.1 4+0.1 2 2.55 Tape drawing direction 1.5 dia. +0.1 0 13 dia. Label Tape drawing direction (19) Reel 330 ±2 dia. 5.5 2.2 2 12 ±0.3 1.75 ±0.1 8+0.1 4+0.1 Tape drawing direction 1.5 dia. +0.1 0 |
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