參數(shù)資料
型號: PE37645DW-FREQ-T250
廠商: PLETRONICS INC
元件分類: XO, clock
英文描述: CRYSTAL OSCILLATOR, CLOCK, 40 MHz - 250 MHz, PECL OUTPUT
封裝: PLASTIC, J LEADED, LCC-6
文件頁數(shù): 7/9頁
文件大?。?/td> 209K
代理商: PE37645DW-FREQ-T250
PE76D / PE78D Series 2.5 V
PECL 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
PE77xxDW 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 PE77xxDW 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(guān)PDF資料
PDF描述
PE7620DW-FREQ CRYSTAL OSCILLATOR, CLOCK, 40 MHz - 250 MHz, PECL OUTPUT
PE7644DEW-FREQ CRYSTAL OSCILLATOR, CLOCK, 40 MHz - 250 MHz, PECL OUTPUT
PE7645DEW-FREQ CRYSTAL OSCILLATOR, CLOCK, 40 MHz - 250 MHz, PECL OUTPUT
PE7720DE-FREQ-OUT7 CRYSTAL OSCILLATOR, CLOCK, 10 MHz - 170 MHz, PECL OUTPUT
PE7744DV-FREQ-OUT7 CRYSTAL OSCILLATOR, CLOCK, 10 MHz - 170 MHz, PECL OUTPUT
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