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參數(shù)資料
| 型號(hào)： | VTC4-D2BE-12M800 |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | XO, clock |
| 英文描述： | Voltage Controlled Temperature Compensated Crystal Oscillator |
| 中文描述： | TCVCXO, CLIPPED SINE OUTPUT, 12.8 MHz |
| 文件頁數(shù)： | 6/7頁 |
| 文件大?。?/td> | 191K |
| 代理商： | VTC4-D2BE-12M800 |
VTC4 Data Sheet
Vectron International 267 Lowell Rd, Hudson NH 03051 Tel: 1-88-VECTRON-1 e-mail vectron@vectron.com
6
Handling Precautions
Although ESD protection circuitry has been designed into the the VTC4, 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 6. ESD Ratings
Model
Minimum
Human Body Model
1000
Charged Device Model
1500
Suggested IR profile
Devices are built using lead free epoxy and can also be subjected to standard lead free IR reflow conditions,
Table 7 shows max temperatures and lower temperatures can also be used e.g. peak temperature of 220C.
Table 7. Reflow Profile (IPC/JEDEC J-STD-020B)
Parameter
Symbol
PreHeat Time
t
S
Ramp Up
R
UP
Time Above 217
o
C
t
L
Time To Peak Temperature
t
AMB-P
Time At 260
o
C (max)
t
P
Time At 240 °C (max)
t
p2
Ramp Down
R
DN
Conditions
MIL-STD-883 Method 3115
JESD 22-C101
Value
150 sec Min, 200 sec Max
3
o
C/sec Max
60 sec Min, 150 sec Max
480 sec Max
10 sec Max
60 sec Max
6
o
C/sec Max
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| VTC4-D2CA-12M800 | Voltage Controlled Temperature Compensated Crystal Oscillator |
| VTC4-D2CB-12M800 | Voltage Controlled Temperature Compensated Crystal Oscillator |
| VTC4-D2CC-12M800 | Voltage Controlled Temperature Compensated Crystal Oscillator |
| VTC4-D2CD-12M800 | Voltage Controlled Temperature Compensated Crystal Oscillator |
| VTC4-D2CE-12M800 | Voltage Controlled Temperature Compensated Crystal Oscillator |
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