MF12W View Datasheet(PDF) - Unspecified
Part Name
Description
MFG CO.
MF12W Datasheet PDF : 13 Pages
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Approval Sheet
SOLDERING CONDITION
The robust construction of chip resistors allows them to be completely immersed in a solder bath of 260°C for 10
seconds. Therefore, it is possible to mount Surface Mount Resistors on one side of a PCB and other discrete
components on the reverse (mixed PCBs).
Surface Mount Resistors are tested for solderability at 235°C during 2 seconds within lead-free solder bath. The
test condition for no leaching is 260°C for 30 seconds. Typical examples of soldering profile and condition that
provide reliable joints without any damage are given in Fig 3. and Table 1.
Fig. 3 Infrared soldering profile for Chip Resistors
Table 1. Infrared soldering condition for Chip Resistors
Temperature Condition
Exposure Time
Average ramp-up rate (217°C to 260°C)
Less than 3°C/second
Between 150 and 200°C
Between 60-120 seconds
> 217°C
Between 60-150 seconds
Peak Temperature
260ºC +0/-5°C
Time within 245°C
Min. 30 seconds
Ramp-down rate (Peak to 217°C)
Less than 6°C/second
Time from 25°C to Peak
No greater than 480 seconds
Page 6 of 13
ASC_MFxxF&W
Dec - 2018
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