Trimmer Potentiometers 30/07/2012 by Murata Manufacturing Co.,Ltd.

More catalogs by Murata Manufacturing Co.,Ltd. | Trimmer Potentiometers 30/07/2012 | 55 pages | 2018-02-03

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Page 45 of Trimmer Potentiometers 30/07/2012

r50e.pdf !note • please read rating and !caution for storage operating rating soldering mounting and handling in this catalog to prevent smoking and/or burning etc • this catalog has only typical specifications therefore please approve our product specifications or transact the approval sheet for product specifications before ordering jul.23,2012 pv12/pv37/pv36 series notice c notice operating and storage conditions 1 store in temperatures of -10 to +40°c and relative humidity of 30-85 2 do not store in or near corrosive gases 3 use within six months after delivery 4 open the package just before using 5 do not store under direct sunlight 6 if you use the trimmer potentiometer in an environment other than listed at right please consult with a murata factory representative prior to using the trimmer potentiometer should not be used under the following environmental conditions 1 corrosive gaseous atmosphere ex chlorine gas hydrogen sulfide gas ammonia gas sulfuric acid gas nitric oxide gas etc 2 in liquid ex oil medical liquid organic solvent etc 3 dusty/dirty atmosphere 4 direct sunlight 5 static voltage or electric/magnetic fields 6 direct sea breeze 7 other variations of the above c notice rating 1 when using with partial load rheostat minimize the power depending on the resistance value 2 the maximum input voltage to a trimmer potentiometer should not exceed p·r 1/2 or the maximum operating voltage whichever is smaller c notice soldering and mounting 1 soldering 1 soldering conditions refer to the temperature profile if the soldering conditions are not suitable e.g excessive time and/or excessive temperature the trimmer potentiometer may deviate from the specified characteristics 2 to minimize mechanical stress when adjusting the trimmer potentiometer should be mounted onto the pcb without a gap 3 the soldering iron should not come in contact with the case of the trimmer potentiometer if such contact does occur the trimmer potentiometer may be damaged 2 mounting 1 use the pcb hole to meet the pin of the trimmer potentiometer if the trimmer potentiometer is installed into an insufficient pcb hole the trimmer potentimeter may be damaged by mechanical stress 2 do not apply excessive force preferably 9.8n max ref 1kgf when the trimmer potentiometer is mounted to the pcb 3 cleaning isopropyl alcohol and ethyl alcohol are applicable solvents for cleaning if you use any other types of solvents please consult with a murata factory representative prior to using 7 continued on the following page 43