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參數(shù)資料
| 型號： | VT-501-DAK-306C-24M9770000 |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | TCVCXO, clock |
| 英文描述： | TCVCXO, CLOCK, 24.977 MHz, CMOS OUTPUT |
| 封裝： | ROHS COMPLIANT, HERMETIC SEALED, CERAMIC, SMD, 4 PIN |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 248K |
| 代理商： | VT-501-DAK-306C-24M9770000 |
Vectron International 267 Lowell Road, Hudson, NH 03051 Tel: 1-88-VECTRON-1 http://www.vectron.com
Page4
Reliability
The
Table 4. Environmental Compliance
Parameter
Condition
Mechanical Shock
MIL-STD-883 Method 2002
Mechanical Vibration
MIL-STD-883 Method 2007
Temperature Cycle
MIL-STD-883 Method 1010
Solderability
MIL-STD-883 Method 2003
Fine and Gross Leak
MIL-STD-883 Method 1014
Resistance to Solvents
MIL-STD-883 Method 2015
Moisture Sensitivity Level
MSL1
Contact Pads
Gold over Nickel
Table 5. Reflow Profile
Parameter
Symbol
Value
PreHeat Time
t
s
Ts-min
Ts-max
200 sec Max
150°C
200°C
Ramp Up
R
UP
3C/sec Max
Time above 217C
t
L
150 sec Max
Time to Peak Temperature
t
25-PEAK
480 sec Max
Time at 260C
t
P
10 sec Max
Time at 240C
t
P2
60 sec Max
Ramp down
R
DN
6C/sec Max
Absolute Maximum Ratings and Handling Precautions
Stresses in excess of the absolute maximum ratings can permanently damage the device. Functional operation is not implied or
any other excess of conditions represented in the operational sections of this data sheet. Exposure to absolute maximum ratings
for extended periods may adversely affect device reliability.
Although ESD protection circuitry has been designed into the VT-501, proper precautions should be taken when handling and
mounting, VI employs a Human Body Model and Charged Device Model for ESD susceptibility testing and design evaluation.
ESD thresholds are dependent on the circuit parameters used to define the model. Although no industry standard has been
adopted for the CDM a standard resistance of 1.5kOhms and capacitance of 100pF is widely used and therefor can be used for
comparison purposes.
S
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.
S
Table 3. Maximum Ratings
Parameter
Symbol
Rating
Unit
Storage Temperature
T
STORE
-40/85
C
Supply Voltage
V
DD
7V
Control Voltage
V
C
0/V
DD
V
ESD, Human Body Model
1000
V
ESD, Charged Device Model
500
V
Maximum Ratings
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