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HE920 Hardware User Guide
1vv0301014 Rev.9 – 2014-01-23
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved.
Page 71 of 84
Profile Feature
Pb-Free Assembly
Average ramp-up rate(T
L
to T
p
)
3
℃
/second max
Preheat
-
Temperature Min(Tsmin)
-
Temperature Max(Tsmax)
-
Time (min to max) (ts)
150
℃
200
℃
60 - 180 seconds
Tsmax to TL
-
Ramp-up Rate
3
℃
/second max
Time maintained above:
-
Temperature (TL)
-
Time(tL)
217
℃
60 - 150 seconds
Peak Temperature (Tp)
245 +0/-5
℃
Time within 5
℃
of actual Peak Temperature(tp)
10 - 30 seconds
Ramp-down Rate
6
℃
/sec max
Time 25
℃
to Peak Temperature
8 minutes max
NOTE:
All temperatures refer to topside of the package, measured on the package body surface.
WARNIG:
The HE920 module withstands one reflow process only.