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SM55-18 Datasheet, PDF (5/7 Pages) Pletronics, Inc. – Miniature SMD Crystal
Mechanical:
SM55 Series
Miniature SMD Crystal
January 2009
Not to Scale
Contacts : Matte Tin (Sn) -or-
Inches
A 0.189 max
B 0.512 max
C 0.224 max
D1 0.051
E1 0.303
1 Typical dimensions F1 0.047
Tin over Copper (SnCu) or SAC (SnAgCu)
mm
4.8 max
13.0 max
5.7 max
1.3
7.7
1.2
Inches
A1 0.197 max
A2 0.181
B 0.516 max
C 0.224 max
D11 0.063
D21 0.118
E1 0.280
Not to Scale
1 Typical dimensions F1 0.039
Contacts : Matte Tin (Sn) -or- Tin over Copper (SnCu) or SAC (SnAgCu)
mm
5.0 max
4.6
13.1 max
5.7 max
1.6
3.0
7.1
1.0
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.
www.pletronics.com
425-776-1880
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