Datasheet

Version 1.1 BPW 34 B, BPW 34 BS
2014-01-10 9
TTW Soldering
Wellenlöten (TTW)
BPW 34 B
IEC-61760-1 TTW / IEC-61760-1 TTW
OHA04612
Profile Feature
Profil-Charakteristik
Ramp-up rate to preheat*
)
25 °C to 150 °C
2 3 K/s
Time t
S
T
Smin
to T
Smax
t
S
t
L
t
P
T
L
T
P
100 12060
10 20 30
80 100
217
2 3
245 260
3 6
Time
25 °C to T
P
Time within 5 °C of the specified peak
temperature T
P
- 5 K
Ramp-down rate*
T
P
to 100 °C
All temperatures refer to the center of the package, measured on the top of the component
* slope calculation DT/Dt: Dt max. 5 s; fulfillment for the whole T-range
Ramp-up rate to peak*
)
T
Smax
to T
P
Liquidus temperature
Peak temperature
Time above liquidus temperature
Symbol
Symbol
Unit
Einheit
Pb-Free (SnAgCu) Assembly
Minimum MaximumRecommendation
K/s
K/s
s
s
s
s
°C
°C
480
0
0
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 Δ
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