User's Manual

DFZM-E72xx
Data Sheet Sheet 32 of 40 Sep 16, 2013
Proprietary Information and Specifications are Subject to Change
 Do not use a metallic or metalized plastic for the end product enclosure.
 Recommendation is to keep plastic enclosure clearance of 1cm from top and bottom of the DFZM-E72xx
onboard antenna keep-out area, if possible. 5-mm (0.2 in) clearance shall be the minimum as shown in
Figure 6-4.
Figure 6-4 Recommended clearance above and below the PCB trace antenna
6-2-1.Surface Mount Assembly
The reflow profile is shown in Figure 6-5.
60-180 sec
Room temp.
50 sec max
150
200
245
217
(°C )
60-150 sec
Time
Peak temp
250°c max 10 sec max
245°c±5°c for
10 ~30 sec
Figure 6-5: Reflow temperature profile