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MRB(45˃Step) Super-Miniature Rotary Switches ˙Features 1. High contact reliability assured (Twin contact type) 2. Selection of various circuits is /g197exible. 3. Fully-sealed structure protects the contacts from environmental contamination. 4. Immersion cleaning is possible. 5. Best suited for use in dry circuit since the contacts and terminals are gold-plated. RoHS Compliant ˙Part Numbering ˙Speci/g196cations Rating 0.4VA max. ʢ12VDC max.ʣ Initial contact resistance 200mЊ max. ʢ1,5mA 200ЖVACʣ Dielectric strength 250VAC 1 minute Insulation resistance 100MЊ min. ʢ100VDCʣ Electrical life 10,000 cycles Operating force 1.96 ʙ5.88Nɾcm Operating temperature range ʵ20ʙʴ70ˆ Storage temperature range ʵ40ʙʴ85ˆ ˙PC Hole Layouts Washable MRBɹ1ɹʵɹ3ʵZ Series code Number of poles Number of position ʢ5PQWJFXʣ MRB series ˒MRB1ʵ3ʵZ1 ʵpole 3ʵposition Terminal numbers are not shown on the switch. The shaft fully rotates 360 degrees. In the shaft positions other than I, II and III, the contacts is in the OFF state. Switching function Circuit arrangement Circuit diagram Position I Position II Position III ON ON ON Cʵ1C ʵ2C ʵ3 ˒ɿMade to order products.
˔For the hexagon wrench for FB/FN types, choose the M4 wrench (2 mm) available on the market. ˙Optional Accessories ʬSold separatelyʭ Part Name Knob FB FN Dimensions Part No. 140000050598 140000051012 140000050956 140000050601 Color Body Silver Black Silver Black Indicator Line Black White Black White Body Material Aluminium Aluminium 1. Soldering Speci/g196 cations ᾇManual Soldering Device ɿSoldering iron 360ˆ, Max.; 3 seconds, Max. ᾈ Auto Soldering Device: Jet wave type or dip type 275ˆ, Max.; 6 seconds, Max. ɾPre-heating should be done at temperatures from 80 to 120ˆ and within 120 seconds ᾉWhen soldering two or more terminals to the common land, use the solder resist to solder them independently. 3. Mounting of Switch ᾇUse the PC boards of П1 holes. ᾈDo not bend the terminals before mounting the switch on the PC board. ᾉAfter mounting the switch, do not place the device in such a way that the device weight will be applied on the knob, etc. of the switch. ᾊDo not apply a load exceeding 29.4 N (3 kgf) to the knob. 2. Flux Cleaning ᾇFor the solvent, use the /g197 uorine-based or alcohol-based solvent. Solvent: Fluorine or Alcohol type ᾈDo not use the ultrasonic cleaning system. ˙Handling Precautions ɿOptional Accessories.