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參數資料
| 型號： | SM55-44-FREQ8-20G3EH |
| 廠商： | PLETRONICS INC |
| 元件分類： | Quartz Crystal |
| 英文描述： | QUARTZ CRYSTAL RESONATOR, 25 MHz - 70 MHz |
| 封裝： | MINIATURE, SMD, 4 PIN |
| 文件頁數： | 5/7頁 |
| 文件大小： | 111K |
| 代理商： | SM55-44-FREQ8-20G3EH |
SM55 Series
Miniature SMD Crystal
August 2007
www.pletronics.com
425-776-1880
5
Mechanical:
Inches
mm
A
0.189 max
4.8 max
B
0.512 max
13.0 max
C
0.224 max
5.7 max
D
1
0.051
1.3
E
1
0.303
7.7
F
1
0.047
1.2
Not to Scale
1 Typical dimensions
Contacts :
Matte Tin (Sn) or Tin over Copper (SnCu) or SAC (SnAgCu)
Connection (bottom view):
Pin 2 & 3 connected to metal case
Layout and application information
Trace lengths to the crystal should be kept as short as possible.
The crystal connections are sensitive to noise.
The package should be grounded for optimum performance.
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