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Heavy Duty Type

Heavy Duty Type (Type W) thickens its entire body to increase heat storage and is the best for work needing high heat capacity.

Standard: T12-D16,Heavy duty type: T12-WD16
  • Save soldering time. (Refer to Graph 1)
    A few seconds per 1 point can be cut down. But guess how much time will be saved per 1 day or one month? The efficiency-enhancing effect can be taken.
  • Enable the workpiece temperature to increase. (Refer to Graph 2)
    If soldering multi-layer board, solder can not be melt due to the insufficient heat. In that case we recommend Heavy Duty Type, which has the larger heat capacity than Standard type, but the same size as Standard. It offers the enough heat capacity that solder can be wet.

Heavy Duty Type
Only T12 series offers this type. For further details,
click here.
Heavy Duty Type
Standard Standard

Graph 1 : Soldering time depends on heat capacity

- Measurement conditions

Measurement methodSolder at 5 points and measure the time until the temperature of the workpiece reaches 250ºC.
BoardPaper phenol copper
ComponentTerminal (External diameter Φ8.5 / Internal diameter Φ4)
Tip shapeT12-D12 (Standard) and T12-WD12 (Heavy Duty Type)
Temperature setting360ºC
SolderLead-free solder (Sn-3Ag-0.5Cu) Φ0.5

Graph 1 : Soldering time depends on heat capacity

Graph 2 : Temperature difference of workpiece caused by heat capacity

- Measurement conditions

Measurement methodMeasure the temperature of the workpiece when 5-point soldering is performed once every 3 seconds.
BoardGlass epoxy board
ComponentConnector
Tip shapeT12-D12 (Standard) and T12-WD12 (Heavy Duty Type)
Temperature setting360ºC
SolderLead-free solder (Sn-3Ag-0.5Cu) Φ0.8

Graph 2 : Temperature difference of workpiece caused by heat capacity