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参数资料
| 型号： | JDLNCJTN20.48 |
| 厂商： | VECTRON INTERNATIONAL |
| 元件分类： | XO, clock |
| 英文描述： | VCXO, CLOCK, 20.48 MHz, CMOS OUTPUT |
| 封装： | ROHS COMPLIANT, HERMETIC SEALED, J-LEADE, CERAMIC, SOJ-6 |
| 文件页数： | 4/10页 |
| 文件大小： | 200K |
| 代理商： | JDLNCJTN20.48 |
J-Type Voltage Controlled Crystal Oscillator
Vectron International 267 Lowell Rd. Hudson, NH 03051
Tel:1-88-VECTRON-1
e-mail vectron@vectron.com
3
25
217
200
150
260
Te
mperat
ure
(De
g
C)
Time (sec)
t S
t AMB-P
t L
t P
R UP
R DN
Qualification Conformance
The CMOS J-type family has undergone the following Mil-Std qualification:
Table 3. Environmental Compliance
Parameter
Conditions
Mechanical Shock
MIL-STD-883, Method 2002
Mechanical Vibration
MIL-STD-883, Method 2007
Solderability
MIL-STD-883, Method 2003
Gross and Fine Leak
MIL-STD-883, Method 1014
Resistance to Solvents
MIL-STD-883, Method 2015
Handling Precautions
Although ESD protection circuitry has been designed into the the J-type, proper precautions should be
taken when handling and mounting. VI employs a human body model and a charged-device model
(CDM) for ESD susceptibility testing and design protection evaluation. ESD thresholds are dependent on
the circuit parameters used to define the model. Although no industry wide standard has been adopted
for the CDM, a standard HBM of resistance = 1.5Kohms and capacitance = 100pF is widely used and
therefore can be used for comparison purposes.
Table 4. ESD Ratings
Model
Minimum
Human Body Model (HBM)
1500 V
Charged Device Model (CDM)
1500 V
Reflow Profile (IPC/JEDEC J-STD-020C)
Parameter
Symbol
Value
PreHeat Time
t S
60 sec Min, 180 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
t P
20 sec Min, 40 sec Max
Ramp Down
R DN
6
oC/sec Max
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