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Version 1.2 SFH 4942/ 4943/ 4944/ 4945/ 4946/ 4947/ 4948/ 4949/ 4940
TTW Soldering
IEC-61760-1 TTW
Disclaimer
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Components used in life-support devices or systems must be expressly authorized for such purpose!
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s
OHA04645
50
100
150
200
250
300
t
T
˚C
235 ˚C - 260 ˚C
First wave
20 40 60 80 100 120 140 160 180 200 220 240
Second wave
10 s max., max. contact time 5 s per wave
Preheating
T
∆
100 ˚C
120 ˚C
130 ˚C
Typical
Cooling
ca. 3.5 K/s typical
ca. 2 K/s
ca. 5 K/s
Continuous line: typical process
Dotted line: process limits
< 150 K
