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User Manual
Version 01.03
2010-09-07
Radio modules deRFmega128
6. Soldering Profile of deRFmega128-22C00 and deRFmega128-22C02
Table 5 gives the soldering profile for the radio modules.
Table 5: Soldering Profile
Profile Feature
Average-Ramp-up Rate (217°C to Peak)
Preheat Temperature 175°C ±25°C
Temperature Maintained Above 217°C
Time within 5°C of Actual Peak Temperature
Peak Temperature Range
Ramp-down Rate
Time 25°C to Peak Temperature
Values
3°C/sec max.
180 sec. max
60 sec. to 150 sec.
20 sec. to 40 sec.
260°
6°C/sec max.
8 min. max.
Figure 7 shows a recorded soldering profile for a radio module. The blue colored line
illustrates a temperature sensor placed next to the soldering-contacts of the radio module.
The pink line shows the set temperatures depending on the zone within the reflow soldering
machine.
280
260
240
220
200
180
160
140
120
100
80
60
40
t [s]
Measured Temp.
Zone Temp.
Figure 7: Recorded soldering profile
A solder process without supply of nitrogen causes a discoloration of the metal RF-shielding.
dresden elektronik
ingenieurtechnik gmbh
Enno-Heidebroek-Str. 12
01237 Dresden / Germany
Tel.: +49 351 – 31 85 00
Fax: +49 351 – 3 18 50 10
wireless@dresden-elektronik.de
www.dresden-elektronik.de
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