參數(shù)資料
型號(hào): BT136-600
英文描述: Thyristor Product Catalog
中文描述: 晶閘管產(chǎn)品目錄
文件頁(yè)數(shù): 151/224頁(yè)
文件大?。?/td> 2697K
代理商: BT136-600
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Application Notes
AN1005
2002 Teccor Electronics
Thyristor Product Catalog
AN1005 - 3
http://www.teccor.com
+1 972-580-7777
Wave Soldering
Wave soldering is the most commonly used method for soldering
components in PCB assemblies. As with other soldering pro-
cesses, a flux is applied before soldering. After the flux is
applied, the surface mount devices are glued into place on a PC
board. The board is then placed in contact with a molten wave of
solder at a temperature between 240 °C and 260 °C, which
affixes the component to the board.
Dual wave solder baths are also in use. This procedure is the
same as mentioned above except a second wave of solder
removes excess solder.
Although wave soldering is the most popular method of PCB
assembly, drawbacks exist. The negative features include solder
bridging and shadows (pads and leads not completely wetted) as
board density increases. Also, this method has the sharpest ther-
mal gradient. To prevent thermal shock, some sort of pre-heating
device must be used. Figure AN1005.6 shows the procedure for
wave soldering PCBs with surface mount devices only. Figure
AN1005.7 shows the procedure for wave soldering PCBs with
both surface mount and leaded components.
Figure AN1005.6
Wave Soldering PCBs With Surface Mount Devices
Only
Figure AN1005.7
Wave Soldering PCBs With Both Surface Mount
and Leaded Components
Immersion Soldering
Maximum allowed temperature of the soldering bath is 235 °C.
Maximum duration of soldering cycle is five seconds, and forced
cooling must be applied.
Hand Soldering
It is possible to solder the DO-214, Compak, and TO-252 devices
with a miniature hand-held soldering iron, but this method has
particular drawbacks and should be restricted to laboratory use
and/or incidental repairs on production circuits.
Recommended Metal-alloy
(1) 63/37 Sn/Pb
(2) 60/40 Sn/Pb
Pre-Heating
Pre-heating is recommended for good soldering and to avoid
damage to the DO-214, Compak, TO-252 devices, other compo-
nents, and the substrate. Maximum pre-heating temperature is
165 °C while the maximum pre-heating duration may be 10 sec-
onds. However, atmospheric pre-heating is permissible for sev-
eral minutes provided temperature does not exceed 125 °C.
Screen print glue
Wave solder
Apply glue
Cure glue
Place component
or
PC board
Insert
leaded
components
Turn over the
PC board
Apply
glue
Place
SMDs
Cure
glue
Turn over the
PC board
Wave solder
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
BT136-600,127 功能描述:雙向可控硅 RAIL TRIAC RoHS:否 制造商:STMicroelectronics 開啟狀態(tài) RMS 電流 (It RMS):16 A 不重復(fù)通態(tài)電流:120 A 額定重復(fù)關(guān)閉狀態(tài)電壓 VDRM:600 V 關(guān)閉狀態(tài)漏泄電流(在 VDRM IDRM 下):5 uA 開啟狀態(tài)電壓: 保持電流(Ih 最大值):45 mA 柵觸發(fā)電壓 (Vgt):1.3 V 柵觸發(fā)電流 (Igt):1.75 mA 最大工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:TO-220AB
BT136-600 制造商:NXP Semiconductors 功能描述:TRIAC 4A 600V TO-220AB
BT136-600/B 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TRIAC 4A/600V
BT136-600/DG,127 功能描述:雙向可控硅 4Q TRIAC RoHS:否 制造商:STMicroelectronics 開啟狀態(tài) RMS 電流 (It RMS):16 A 不重復(fù)通態(tài)電流:120 A 額定重復(fù)關(guān)閉狀態(tài)電壓 VDRM:600 V 關(guān)閉狀態(tài)漏泄電流(在 VDRM IDRM 下):5 uA 開啟狀態(tài)電壓: 保持電流(Ih 最大值):45 mA 柵觸發(fā)電壓 (Vgt):1.3 V 柵觸發(fā)電流 (Igt):1.75 mA 最大工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:TO-220AB
BT136-600127 制造商:NXP Semiconductors 功能描述:Triac