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! 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 speci?cations. Therefore, please approve our product speci?cations or transact the approval sheet for product speci?cations before ordering.
PV32 Series Notice
c Notice (Operating and Storage Conditions)
R50E.pdf
Jul.23,2012
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 sul?de 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 ?elds
(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 pro?le.
If the soldering conditions are not suitable,
e.g., excessive time and/or excessive
2. Mounting
(1) Use the PCB hole to meet the pin of the trimmer
potentiometer. If the trimmer potentiometer
is installed into an insuf?cient PCB hole, the
trimmer potentimeter may be damaged by
6
temperature, the trimmer potentiometer may
deviate from the speci?ed 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.
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.
Continued on the following page.
34
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