C5430 Datasheet, PDF (4/5 Pages) Vectron International, Inc – VCXO Dual Output

Recommended Reflow Profile
C5430
VCXO
Dual Output
T_p
T_L
Ts
tp
Ramp up
t_L
Critical Zone
T_L to T_p
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.
SMD oscillators must be on the top
side of the PCB during the reflow
process.
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v.2005-10-28 · page 4 of 5
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