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SAW filter specification
TFS 248
4/4
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Air reflow temperature conditions
1st and 2nd air reflow profile
Name:
pre-heating periods
main-heating periods
peak temperature
Temperature: 150 °C - 170 °C
over 200 °C
255 °C ± 5 °C
Time:
60 sec. - 90 sec.
20 sec. - 25 sec.
Chip-mount air reflow profile
time / sec.
temperature
/°C
0
20
40
60
80
100
120
140
160
180
200
220
240
260
0
20
40
60
80
100
120
140
160
180
200
220
240
Table for temperature vs. time during the air reflow process
Tolerance of temperatures: ± 5 °C
time / sec.
temperature / °C
time / sec.
temperature / °C
0
23
140
160
10
34
150
161
20
46
160
164
30
60
170
40
80
180
50
103
190
205
60
121
195
230
70
134
200
255
80
143
205
230
90
150
210
205
100
154
215
180
110
156
220
165
120
158
230
140
130
159
240
120
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