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參數(shù)資料
| 型號(hào)： | 0805ZC103MA72A |
| 廠商： | AVX Corporation |
| 英文描述： | General Specifications |
| 中文描述： | 一般規(guī)格 |
| 文件頁數(shù)： | 11/20頁 |
| 文件大?。?/td> | 338K |
| 代理商： | 0805ZC103MA72A |
59
Surface Mounting Guide
MLC Chip Capacitors
POST SOLDER HANDLING
Once SMP components are soldered to the board, any
bending or flexure of the PCB applies stresses to the sol-
dered joints of the components. For leaded devices, the
stresses are absorbed by the compliancy of the metal leads
and generally don’t result in problems unless the stress is
large enough to fracture the soldered connection.
Ceramic capacitors are more susceptible to such stress
because they don’t have compliant leads and are brittle in
nature. The most frequent failure mode is low DC resistance
or short circuit. The second failure mode is significant loss
of capacitance due to severing of contact between sets of
the internal electrodes.
Cracks caused by mechanical flexure are very easily identi-
fied and generally take one of the following two general
forms:
Mechanical cracks are often hidden underneath the termi-
nation and are difficult to see externally. However, if one end
termination falls off during the removal process from PCB,
this is one indication that the cause of failure was excessive
mechanical stress due to board warping.
COMMON CAUSES OF
MECHANICAL CRACKING
The most common source for mechanical stress is board
depanelization equipment, such as manual breakapart, v-
cutters and shear presses. Improperly aligned or dull cutters
may cause torqueing of the PCB resulting in flex stresses
being transmitted to components near the board edge.
Another common source of flexural stress is contact during
parametric testing when test points are probed. If the PCB
is allowed to flex during the test cycle, nearby ceramic
capacitors may be broken.
A third common source is board to board connections at
vertical connectors where cables or other PCBs are con-
nected to the PCB. If the board is not supported during the
plug/unplug cycle, it may flex and cause damage to nearby
components.
Special care should also be taken when handling large (>6"
on a side) PCBs since they more easily flex or warp than
smaller boards.
REWORKING OF MLCs
Thermal shock is common in MLCs that are manually
attached or reworked with a soldering iron. AVX strongly
recommends that any reworking of MLCs be done with hot
air reflow rather than soldering irons. It is practically impossi-
ble to cause any thermal shock in ceramic capacitors when
using hot air reflow.
However direct contact by the soldering iron tip often caus-
es thermal cracks that may fail at a later date. If rework by
soldering iron is absolutely necessary, it is recommended
that the wattage of the iron be less than 30 watts and the
tip temperature be <300C. Rework should be performed
by applying the solder iron tip to the pad and not directly
contacting any part of the ceramic capacitor.
Type A:
Angled crack between bottom of device to top of solder joint.
Type B:
Fracture from top of device to bottom of device.
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| 0805ZC103MAT2A | 功能描述:多層陶瓷電容器MLCC - SMD/SMT 10volts 0.01uF 20% X7R RoHS:否 制造商:American Technical Ceramics (ATC) 電容:10 pF 容差:1 % 電壓額定值:250 V 溫度系數(shù)/代碼:C0G (NP0) 外殼代碼 - in:0505 外殼代碼 - mm:1414 工作溫度范圍:- 55 C to + 125 C 產(chǎn)品:Low ESR MLCCs 封裝:Reel |
| 0805ZC103MAT4A | 功能描述:多層陶瓷電容器MLCC - SMD/SMT 10volts 0.01uF 20% X7R RoHS:否 制造商:American Technical Ceramics (ATC) 電容:10 pF 容差:1 % 電壓額定值:250 V 溫度系數(shù)/代碼:C0G (NP0) 外殼代碼 - in:0505 外殼代碼 - mm:1414 工作溫度范圍:- 55 C to + 125 C 產(chǎn)品:Low ESR MLCCs 封裝:Reel |
| 0805ZC104JAT2A | 功能描述:多層陶瓷電容器MLCC - SMD/SMT 10volts 0.1uF 5% X7R RoHS:否 制造商:American Technical Ceramics (ATC) 電容:10 pF 容差:1 % 電壓額定值:250 V 溫度系數(shù)/代碼:C0G (NP0) 外殼代碼 - in:0505 外殼代碼 - mm:1414 工作溫度范圍:- 55 C to + 125 C 產(chǎn)品:Low ESR MLCCs 封裝:Reel |
| 0805ZC104JAZ2A | 功能描述:多層陶瓷電容器MLCC - SMD/SMT 0805 0.1uF 10volts X7R 5% RoHS:否 制造商:American Technical Ceramics (ATC) 電容:10 pF 容差:1 % 電壓額定值:250 V 溫度系數(shù)/代碼:C0G (NP0) 外殼代碼 - in:0505 外殼代碼 - mm:1414 工作溫度范圍:- 55 C to + 125 C 產(chǎn)品:Low ESR MLCCs 封裝:Reel |
| 0805ZC104KAT2A | 功能描述:多層陶瓷電容器MLCC - SMD/SMT 0805 0.1uF 10volts X7R 10% RoHS:否 制造商:American Technical Ceramics (ATC) 電容:10 pF 容差:1 % 電壓額定值:250 V 溫度系數(shù)/代碼:C0G (NP0) 外殼代碼 - in:0505 外殼代碼 - mm:1414 工作溫度范圍:- 55 C to + 125 C 產(chǎn)品:Low ESR MLCCs 封裝:Reel |
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