User's Manual

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(TL to Tp)
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.