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參數(shù)資料
| 型號： | 09036966919 |
| 元件分類： | 連接器件 |
| 英文描述： | 96 CONTACT(S), MALE, RIGHT ANGLE TWO PART EURO CONNECTOR, SOLDER |
| 文件頁數(shù)： | 7/13頁 |
| 文件大?。?/td> | 943K |
| 代理商： | 09036966919 |
05
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03
SMC
Solder requirements
Application of solder paste
Before the components are assembled, solder paste
must be applied to all the solder pads (for connecting
surface-mount components) and the plated through
contacts (pcb holes for "Pin in Hole Intrusive Reflow"
insertion). Usually a screen printing process is used
for this purpose. A squeegee moves across the
pcb, which is masked with screens and presses
the solder paste into all unmasked areas. To ensure
that the plated through holes are completely filled,
significantly more solder paste must be applied
than traditional solder pads on the pcb surface.
The required quantity can be set exactly via several
parameters.
As an alternative to screen printing, the solder paste
can be applied by means of a dispenser. A high-
precision robot moves the dispenser to all required
positions on the pcb. The dispensing method is
particularly suitable for small pcb’s or applications
which demand high precision and flexibility in
dispensing volumes.
Volume of solder paste
Connector
termination
Fig. 3: Dispenser in operation
Fig. 4: Plated through hole with connector termination
Requirements for the solder connection
There are numerous scientific studies dealing with
calculation of the required quantity of solder paste.
These studies use various parameters, e.g. the
shrinking factor of the paste during soldering or the
thickness of the screens used for masking the pcb.
Since such calculation methods are complicated to
apply, the following rule of thumb has proved valuable
in practice:
VPaste = 2(VH – VP)
in which:
VPaste = Required volume of solder paste
VH
= Volume of the plated through hole
VP
= Volume of the connector termination
in the hole
Comment: the multiplier “2” compensates for
solder paste shrinkage during soldering. For
this purpose, it was assumed that 50 % of the
paste consists of the actual solder, the other
50 % being soldering aids.
At the beginning of a new production batch, the
process parameters, such as quantity of solder paste
and soldering temperature, can be set by interpreting
simple cross-sections of the soldered connection.
A reliable measure for achieving optimum parameters
is the quantity of solder required to fill the hole. In
soldered connections of high quality, the holes are
filled to between 75 % and 100 %.
pcb
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| 09036966921 | 功能描述:DIN 41612 連接器 96P MALE RA TYPE C RoHS:否 制造商:HARTING 系列:har-bus 64 產(chǎn)品類型:Plugs 排數(shù):5 位置/觸點數(shù)量:160 安裝角:Right 類型:Shrouded Header 端接類型:Solder 外殼材料: 觸點材料: 觸點電鍍: |
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| 09036966951 | 功能描述:DIN 41612 連接器 DIN-SIGNAL C096MS 3,0C1-2-V2COD RoHS:否 制造商:HARTING 系列:har-bus 64 產(chǎn)品類型:Plugs 排數(shù):5 位置/觸點數(shù)量:160 安裝角:Right 類型:Shrouded Header 端接類型:Solder 外殼材料: 觸點材料: 觸點電鍍: |
| 09036966997 | 功能描述:DIN 41612 連接器 DIN-SIGNAL C096MS-3,0C1-1-V3COD RoHS:否 制造商:HARTING 系列:har-bus 64 產(chǎn)品類型:Plugs 排數(shù):5 位置/觸點數(shù)量:160 安裝角:Right 類型:Shrouded Header 端接類型:Solder 外殼材料: 觸點材料: 觸點電鍍: |
| 09037 | 功能描述:FEED ROLLER FOR 2300/4000 RoHS:是 類別:工具 >> 熱風(fēng)槍噴槍 - 配件 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:熱風(fēng)槍套件 溫度范圍:750°F ~ 806°F（400°C ~ 430°C） 電壓:230V 電流:- 功率 - 額定:210W 特點:包括：熱風(fēng)槍，1 個噴嘴和 2 個反射器 |
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