File name: Tfs150N.doc
Version 3.2
13.01.2003
VI TELEFILTER
Filter specification
TFS 150N
4/5
6. Air reflow temperature conditions :
1st and 2nd air reflow profile
Name:
Temperature:
Time:
pre-heating periods
150
°C
- 170
°C
60 sec. - 90 sec.
main-heating periods
over 200
°C
20 sec. - 25 sec.
peak temperature
255
°C ±
5
°C
Air reflow profile
260
240
220
200
180
temperature /
°C
160
140
120
100
80
60
40
20
0
0
20
40
60
80
100
120
time / sec.
140
160
180
200
220
240
Table for temperature vs. time during the air reflow process
Tolerance of temperatures:
±
5
°C
time / sec.
0
10
20
30
40
50
60
70
80
90
100
110
120
130
temperature /
°C
23
34
46
60
80
103
121
134
143
150
154
156
158
159
time / sec.
140
150
160
170
180
190
195
200
205
210
215
220
230
240
temperature /
°C
160
161
164
170
180
205
230
255
230
205
180
165
140
120
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