參數(shù)資料
型號: PE7645DW-FREQ-T500
廠商: PLETRONICS INC
元件分類: XO, clock
英文描述: CRYSTAL OSCILLATOR, CLOCK, 80 MHz - 250 MHz, PECL OUTPUT
封裝: PLASTIC, J LEADED PACKAGE-6
文件頁數(shù): 7/9頁
文件大?。?/td> 200K
代理商: PE7645DW-FREQ-T500
LV76D / LV78D Series 2.5 V
LVDS Clock Oscillators
January 2008
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.
相關PDF資料
PDF描述
PE7820DEW-FREQ-T250 CRYSTAL OSCILLATOR, CLOCK, 80 MHz - 250 MHz, PECL OUTPUT
PE7820DEW-FREQ-T500 CRYSTAL OSCILLATOR, CLOCK, 80 MHz - 250 MHz, PECL OUTPUT
PE7845DEW-FREQ-T1K CRYSTAL OSCILLATOR, CLOCK, 80 MHz - 250 MHz, PECL OUTPUT
PE7720DV-FREQ-T1K CRYSTAL OSCILLATOR, CLOCK, 40 MHz - 325 MHz, PECL OUTPUT
PE7720DV-156.25M OSC 3.3V SMT 7X5 PECL
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