User's Manual

Drawing No.:JW202570AS
Date:June 20, 2019
(90/110)
CONFIDENTIAL
© silex technology, Inc.
14. 付録 B SMT リフロー条件 (Appendix -B SMT reflow profiles)
本推奨条件は、Sn/Ag/Cu Pb-Free ハンダを使用した場合のものです。使用するハンダの種類によって最適化することを推奨します。
This recommended condition assumes Sn/Ag/Cu solder. This condition should be optimized per using solder type.
Sn/Ag/Cu Pb-Free Assembly
Profile Feature
Parametric
Conditions
Min.
Typ.
Max.
Units
Average ramp-up rate
T
L
to T
p
1.5
3.0
℃/Sec
Preheat
Temperature Ts
min
160
Temperature Ts
max
170
Time t
s
60
120
Sec
Time maintained above
Temperature T
L1
217
Time t
L1
60
Sec
Temperature T
L2
230
Time t
L2
40
Sec
Peak Temperature
T
p
245
250
Time within 5℃ of Actual Peak Temperature
t
p
10
Sec
Average ramp-down rate
1.5
6
℃/Sec
Time 25℃ to Peak Temperature
8
Min
TP
TL1
Tsmax
Tsmin
tS Preheat time
25
tL1
tP
Time 25 to Peak
Time
Temperature ()
Ramp-up
Ramp-down
Critical Zone
TL to TP
TL2
tL2
Profile Data