VT-840_14 Datasheet, PDF (4/5 Pages) Vectron International, Inc – Temperature Compensated Crystal Oscillator

Table 4. Environmental Compliance
Parameter
Mechanical Shock
Mechanical Vibration
Temperature Cycle
Solderability
Fine and Gross Leak
Resistance to Solvents
Moisture Sensitivity Level
Contact Pads
Condition
MIL-STD-883 Method 2002
MIL-STD-883 Method 2007
MIL-STD-883 Method 1010
MIL-STD-883 Method 2003
MIL-STD-883 Method 1014
MIL-STD-883 Method 2015
MSL1
Gold (0.5um min - 0.8um max) over Nickel
IR Reflow
Suggested IR Profile
Devices are built using lead free epoxy and can be subjected to standard lead free IR reflow conditions shown in Table 5. Contact pads are
gold over nickel and lower maximum temperatures can also be used, such as 220C.
Table 5. Reflow Profile
Parameter
PreHeat Time
Ts-min
Ts-max
Ramp Up
Time above 217C
Time to Peak Temperature
Time at 260C
Time at 240C
Ramp down
Symbol
t_s
R_UP
t_L
t_{25C to peak}
t_P
t_P2
R_DN
Value
200 sec Max
150°C
200°C
3ºC/sec Max
150 sec Max
480 sec Max
10 sec Max
60 sec Max
6ºC/sec Max
Table 6. Tape and Reel Information
Tape Dimensions (mm)
W
F
Do
Po
P1
Tape & Reel
Reel Dimensions (mm)
A
B
C
D
N
W1
W2
#/Reel
8.0
3.5
1.5
4.0
4.0
180
2.0
13
21.0
60.0
9.0
11.4
Vectron International • 267 Lowell Road, Suite 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
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