UT75N80
Classification Profile
Unitpower
Classification Reflow Profiles
Profile Feature
Preheat & Soak
Temperature min (T
smin
)
Temperature max (T
smax
)
Time (T
smin
to T
smax
) (t
s
)
Average ramp-up rate
(T
smax
to T
P
)
Liquidous temperature (T
L
)
Time at liquidous (t
L
)
Peak
(T
p
)*
package
body
Temperature
Sn-Pb Eutectic Assembly
100
°C
150
°C
60-120 seconds
3
°C/second
max.
183
°C
60-150 seconds
See Classification Temp in table 1
20** seconds
6
°C/second
max.
6 minutes max.
Pb-Free Assembly
150
°C
200
°C
60-120 seconds
3°C/second max.
217
°C
60-150 seconds
See Classification Temp in table 2
30** seconds
6
°C/second
max.
8 minutes max.
Time (t
P
)** within 5°C of the specified
classification temperature (T
c
)
Average ramp-down rate (T
p
to T
smax
)
Time 25°C to peak temperature
* Tolerance for peak profile Temperature (T
p
) is defined as a supplier minimum and a user maximum.
** Tolerance for time at peak profile temperature (t
p
) is defined as a supplier minimum and a user maximum.
Copyright
Unitpower Technology Ltd
Rev. P.1 - Feb., 2010
5
XINDEYI [ ShenZhen XinDeYi Electronics Co., Ltd. ]
