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参数资料
| 型号： | TZB4Z250EB10R01 |
| 厂商： | Murata Electronics North America |
| 文件页数： | 17/39页 |
| 文件大小： | 0K |
| 描述： | CAP TRIMMER 4-25PF 50V SMD |
| 标准包装： | 2,500 |
| 系列： | TZB4 |
| 电容范围： | 4 ~ 25pF |
| 调节型： | 底部调节 |
| 电压 - 额定： | 50V |
| 尺寸/尺寸： | 长方形 - 0.177" L x 0.157" W（4.50mm x 4.00mm） |
| 高度 - 座高（最大）： | 0.126"（3.20mm） |
| 安装类型： | 表面贴装 |
| 特点： | 通用 |
| 包装： | 带卷 (TR) |
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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.
c Notice (Storage and Operating Conditions)
T13E.pdf
Nov.22,2013
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 sul?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 ?elds
(6) Direct sea breeze
c Notice (Soldering and Mounting)
(7) Other variations of the above
3
1. Soldering
(1) TZY2 series can be soldered by re?ow soldering
method and soldering iron. Do not use ?ow
soldering method (dipping).
(2) Soldering conditions
Refer to the temperature pro?le.
If the soldering conditions are not suitable, e.g.,
excessive time and/or excessive temperature, the
trimmer capacitor may deviate from the speci?ed
characteristics.
(3) The amount of solder is critical.
(4) The thickness of solder paste should be printed
from 120 micro m to 170 micro m and the dimension
of land pattern should be Murata's standard land
pattern used at re?ow soldering.
Insuf?cient amounts of solder can lead to
insuf?cient soldering strength on PCB.
Excessive amounts of solder may cause bridging
between the terminals or contact failure due to
?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 ?ux
except to the terminals. Excessive amounts of
solder and/or applying solder to the upper part
of the terminal may cause ?xed metal rotor or
contact failure due to ?ux invasion into
c Notice (Handling)
1. Use suitable screwdrivers that ?t comfortably in
driver slot.
(1) Recommended screwdriver for manual adjustment
ENGINEER INC.: DA-89
(Murata P/N is KMDR060)
(2) Recommended screwdriver bit for automatic
adjustment
MURATA: KMBT060
the movable part and/or the contact point. The
soldering iron should not come in contact with
the monolithic 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 ?ux (for water
cleaning). To prevent the deterioration of
trimmer capacitor characteristics, apply ?ux
only to terminals.
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 1.2mm bore diameter.)
3. Cleaning
This product cannot be cleaned because of open
construction.
4. Other
Note the polarity of the trimmer capacitor to
minimize in?uence by stray capacitance.
(Refer to the dimensions concerning the polarity.)
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 capacitor, please test after
assembly in your particular mass production system.
15
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