mrb ( 45 ? step ) super-miniature rotary switches features 1. high contact reliability assured (twin contact type) 2. selection of various circuits is exible. 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 specications rating 0.4va max. 12vdc max. initial contact resistance 200m
max. 1,5ma 200 vac dielectric strength 250vac 1 minute insulation resistance 100m
min. 100vdc electrical life 10,000 cycles operating force 1.96 ? 5.88n ~ cm operating temperature range 20 ? 70 ? storage temperature range 40 ? 85 ? pc hole layouts washable mrb y 1 y y 3 z series code number of poles number of position 5 p q w j f x mr b series mrb1 3 z1 pole 3 position 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 c 1c 2c 3 made to order products.
mr b 8 b t i b c m f ? for the hexagon wrench for fb/fn types, choose the m4 wrench (2 mm) available on the market. optional accessories ? sold separately - 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 cations ? manual soldering device soldering iron 360 ? , max.; 3 seconds, max. ? auto soldering device: jet wave type or dip type 275 ? , max.; 6 seconds, max. ~ pre-heating should be done at temperatures from 80 to 120 ? and within 120 seconds ? when soldering two or more terminals to the common land, use the solder resist to solder them independently. 3. mounting of switch ? use the pc boards of 1 holes. ? do not bend the terminals before mounting the switch on the pc board. ? after 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. ? do not apply a load exceeding 29.4 n (3 kgf) to the knob. 2. flux cleaning ? for the solvent, use the uorine-based or alcohol-based solvent. solvent: fluorine or alcohol type ? do not use the ultrasonic cleaning system. handling precautions optional accessories.
|
