c Notice (Storage and Operating Conditions)
c Notice (Soldering and Mounting)
c Notice (Handling)
T13E.pdf
Aug.10,2012
23
!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 specifi cations. Therefore, please approve our product specifi cations or transact the approval sheet for product specifi cations before ordering.
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1. Do not use the trimmer capacitor under atmosphere
of RTV silicone rubber (Room Temperature
Vulcanizing Silicone Rubber) except Acetone
liberating silicone sealant.
2. Before using trimmer capacitors, please store under
the conditions of -10 to +40°C and 30 to 85%RH.
3. Do not store in or near corrosive gasses.
4. Use within 6 months of delivery.
5. Do not store under direct sunlight.
6. Do not use the trimmer capacitor under the
conditions listed below.
(1) Corrosive gasses atmosphere
(ex. Chlorine gas, Hydrogen sulfi de gas,
Ammonia gas, Sulfuric acid gas, Nitric oxide gas, etc.)
(2) In liquid (ex. water, oil, medical liquid,
organic solvent, etc.)
(3) Dusty / dirty atmosphere
(4) Direct sunlight
(5) Static voltage or electric/magnetic fi elds
(6) Direct sea breeze
(7) Other variations of the above
1. Soldering
(1) TZC3 series can be soldered by refl ow soldering
method and soldering iron. Do not use fl ow
soldering method (dipping).
(2) Soldering conditions
Refer to the temperature profi le.
If the soldering conditions are not suitable, e.g.,
excessive time and/or excessive temperature, the
trimmer capacitor may deviate from the specifi ed
characteristics.
(3) The amount of solder is critical.
(4) The thickness of solder paste should be printed
from 150 micro m to 200 micro m and the dimension
of land pattern should be Murata's standard land
pattern used at refl ow soldering.
Insuffi cient amounts of solder can lead to
insuffi cient soldering strength on PCB.
Excessive amounts of solder may cause bridging
between the terminals or contact failure due to
fl ux wicking up.
(5) When using soldering iron, the diameter of the
string solder shall be less than 0.5mm. The
string solder shall be applied to the lower
part of the terminal only. Do not apply fl ux
except to the terminals. Excessive amounts of
solder and/or applying solder to the upper part
of the terminal may cause fi xed metal rotor or
contact failure due to fl ux invasion into the
movable part and/or the contact point. The
soldering iron should not come in contact with
the stator of the trimmer capacitor. If such contact does
occur, the trimmer capacitor may be damaged.
(6) Our recommended chlorine content of solder is
as follows.
(a) Solder paste: 0.2wt% max.
(b) String solder: 0.5wt% max.
(7) Do not use water-soluble fl ux (for water cleaning).
To prevent the deterioration of trimmer capacitor
characteristics, apply fl ux only to terminals.
(8) When soldering the TZC3 series, the solder
should not fl ow into the staking part of the
substrate. If such fl ow does occur, driver slot
rotation will be damaged.
2. Mounting
(1) Do not apply excessive force (preferably 5.0 N
[Ref: 500gf] max.), when the trimmer capacitor
is mounted on the PCB.
(2) Do not warp and/or bend PCB to protect trimmer
capacitor from breakage.
(3) Use a pick-up nozzle of a suitable dimension.
(2.5mm external diameter and 1.5mm bore diameter.)
3. Cleaning
This product cannot be cleaned because of open
construction.
4. Other
Note the polarity of the trimmer capacitor to
minimize infl uence by stray capacitance.
(Refer to the dimensions concerning the polarity.)
1. Use suitable screwdrivers that fi t comfortably in driver slot.
(1) Recommended screwdriver for manual adjustment
Standard type --> MURATA: KMDR010
Cross slot type --> VESSEL: NO.9000+1.7×30
(Murata P/N is KMDR080)
(2) Recommended screwdriver bit for automatic adjustment
Standard type --> MURATA: KMBT010
Cross slot type --> VESSEL: No.CA-11
(Murata P/N is KMBT080)
2. When adjusting with a screwdriver, do not apply
excessive force (preferably 1.0 N [Ref: 100gf] max.)
to minimize capacitance drift. Excessive force applied
to the screwdriver slot may cause deformation of the
products.
3. Do not apply adhesive, lock paints, or any other
substances to the trimmer capacitor to secure the
rotor position. They may cause corrosion or
electrical contact problems.
c Notice (Other)
Before using trimmer capacitors, please test after
assembly in your particular mass production system.