C4500
Recommended Reflow Profile
OCXO
tp
T
p
Ramp up
Ts
Critical Zone
T
L
to T
p
T
L
Temperature
t
L
Ramp dow n
Ts
ts
preheat
25
t 25°C to peak
Time
Profile Feature
Average ramp-up rate (T
L
to Tp)
Preheat -Temperature Min Ts
min
)
-Temperature Min Ts
max
)
-Time (min to max) (ts)
Ts
max
to T
L
- Ramp-up Rate
Time maintainted above - Temperature (T
L
)
- Time (t
L
)
Peak Temperature (Tp)
Time within 5°C of actual Peak Temperature (tp)
Ramp-down Rate
Time 25°C to Peak Temperature
Pb-Free Assembly/Sn-Pb Assembly
3°C/second max.
150°c
200°c
60-180 seconds
3°C/second max.
217°C
60-150 seconds
max 260°C
20-40 seconds
6°C/second max.
8 minutes max.
Note: All temperatures refer to topside of the package, measured on the package body surface.
Vectron International
·
www.vectron.com
Vectron International
Headquarters
267 Lowell Road
Hudson, New Hampshire 03051
+1-888-328-7661 tel
+1-888-329-8328 fax
Vectron International LLC.
100 Watts Street
Mount Holly Springs, PA 17065
USA
+1-717-486-3411 tel
+1-717-486-5920 fax
Vectron international GmbH & Co. KG
Landstrasse
D-74924 Neckarbischofsheim
Germany
+49-07268-801-0 tel
+49-07268-801-281 fax
v.2005-11-21 · page 4 of 5
Vectron Asia Pacific Sales Office
1F-2F, No 8 Workshop, No 308 Fenju
Road, WaiGaoQiao Free Trade Zone,
Pudong, Shanghai, P.R. China 200131
+86 21 5048 0777 tel.
+86 21 5048 1881 fax
VECTRON [ Vectron International, Inc ]
