參數(shù)資料
型號: VCC1-B3A-140M00
廠商: VECTRON INTERNATIONAL
元件分類: XO, clock
英文描述: CRYSTAL OSCILLATOR, CLOCK, 140 MHz, CMOS OUTPUT
封裝: ROHS COMPLIANT, HERMETIC SEALED, CERAMIC, SMD, 4 PIN
文件頁數(shù): 10/10頁
文件大?。?/td> 244K
代理商: VCC1-B3A-140M00
VCC1 Data Sheet
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail vectron@vectron.com
9
Suggested IR profile
Devices are built using lead free epoxy and can also be subjected to standard lead free IR reflow conditions,
Table 9 shows max temperatures and lower temperatures can also be used e.g. peak temperature of 220C.
Table 9. Reflow Profile (IPC/JEDEC J-STD-020B)
Parameter
Symbol
Value
PreHeat Time
t S
150 sec Min, 200 sec Max
Ramp Up
R UP
3
oC/sec Max
Time Above 217
oC
t L
60 sec Min, 150 sec Max
Time To Peak Temperature
t AMB-P
480 sec Max
Time At 260
oC (max)
t P
10 sec Max
Time At 240 °C (max)
tp2
60 sec Max
Ramp Down
R DN
6
oC/sec Max
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