參數(shù)資料
型號: AFEM-7780-BLK
元件分類: 放大器
英文描述: 1920 MHz - 1980 MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER
封裝: 4 X 7 MM, 1.10 MM HEIGHT, SMT, 20 PIN
文件頁數(shù): 4/15頁
文件大?。?/td> 1246K
代理商: AFEM-7780-BLK
12
Reflow Profile Recommendations
TIME
TEMPERA
TURE
tp
t 25 C TO PEAK
ts
PREHEAT
TL
TP
Tsmax
Tsmin
tL
CRITICAL ZONE
TL TO TP
RAMP UP
RAMP DOWN
25
Typical SMT Reflow Profile for Maximum Temperature = 260 +0/-5°C
Profile Feature
Sn-Pb Solder
Pb-Free Solder
Average ramp-up rate (TL to TP)
3°C/sec max
3°C /sec max
Preheat
- Temperature Min (Tsmin)
- Temperature Max (Tsmax)
- Time (min to max) (ts)
100°C
150°C
60-120 sec
150°C
200°C
60-180 sec
Tsmax to TL
- Ramp-up Rate
3°C /sec max
Time maintained above:
- Temperature (TL)
- Time (TL)
183°C
60-150 sec
217°C
60-150 sec
Peak temperature (Tp)
240 +0/-5°C
260 +0/-5°C
Time within 5°C of actual Peak Temperature (tp)
10-30 sec
20-40 sec
Ramp-down Rate
6°C /sec max
Time 25°C to Peak Temperature
6 min max.
8 min max.
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