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