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參數(shù)資料
| 型號： | LV7844DEW-250.0M-T250 |
| 廠商： | PLETRONICS INC |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 250 MHz, LVDS OUTPUT |
| 封裝： | ROHS COMPLIANT PACKAGE-6 |
| 文件頁數(shù)： | 7/9頁 |
| 文件大?。?/td> | 200K |
| 代理商： | LV7844DEW-250.0M-T250 |
LV76D / LV78D Series 2.5 V
LVDS Clock Oscillators
February 2010
www.pletronics.com
425-776-1880
7
Mechanical (obsolete version):
The cover is no longer being supplied over this part. This part is made with a hermetically sealed
LV77xxDW series oscillator. This part is now exposed.
The cover has been deleted, the cover was causing problems with the newer high temperature RoHS lead
free processes. The cover purpose was only cosmetic.
All parts with 2008 date codes will be made in the new fashion.
There is no change in electrical properties.
Pletronics does recommend that all designs should transition to the LV77xxDW ceramic part.
Inches
mm
A
0.351 +
_0.003
8.91 +
_0.07
B
0.356 +
_0.005
9.04 +
_0.13
C
0.103 +
_0.005
2.62 +
_0.13
D
1
0.324
8.23
E
1
0.316
8.03
F
1
0.050
1.27
Cover:
Centered on the base
304 Stainless Steel
0.010 inch (0.25mm)
Electroless Nickel Plated
1 inch (25 m) typical
Label:
White Kapton with Black Letters
–or--
Blue Epoxy heat cure ink covering
top with laser marked lettering
FR4 PCB Base:
Solder masked
All via holes tented on bottom
Copper Clad 670 inch (17 m)
Nickel plated 118 inch (3 m)
Gold plated 0.8 inch (0.02 m)
Typical thicknesses
Pin 3 Ground plane is typical
Not to scale
G
1
0.040
1.02
H
1
0.059
1.50
I
1
0.020
0.51
J
1
0.040
1.02
K
1
0.100
2.54
L
1
0.026 typical
0.66
The package is not hermetically sealed.
The sides are intentionally left open to permit cleaning material to freely flow in the package, thus
minimizing the accumulation of contaminants during cleaning processes.
The internal part of the package must be thoroughly dry before operating.
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相關代理商/技術參數(shù) |
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|---|---|
| LV7844DV-125.0M | 制造商:PLETRONICS 制造商全稱:Pletronics, Inc. 功能描述:LVDS Clock Oscillators |
| LV7844DV-125.0M-1K | 制造商:PLETRONICS 制造商全稱:Pletronics, Inc. 功能描述:LVDS Clock Oscillators |
| LV7844DV-125.0M-T250 | 制造商:PLETRONICS 制造商全稱:Pletronics, Inc. 功能描述:LVDS Clock Oscillators |
| LV7844DV-125.0M-T500 | 制造商:PLETRONICS 制造商全稱:Pletronics, Inc. 功能描述:LVDS Clock Oscillators |
| LV7844DW-125.0M | 制造商:PLETRONICS 制造商全稱:Pletronics, Inc. 功能描述:LVDS Clock Oscillators |
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