SM55 Series
Miniature SMD Crystal
January 2009
Mechanical:
Inches
A
B
C
D
1
E
1
Not to Scale
Contacts : Matte Tin (Sn)
-or-
1
mm
4.8 max
13.0 max
5.7 max
1.3
7.7
1.2
0.189 max
0.512 max
0.224 max
0.051
0.303
0.047
Typical dimensions
F
1
Tin over Copper (SnCu) or SAC (SnAgCu)
Inches
A
1
A
2
B
C
D
11
D
21
E
1
Not to Scale
Contacts : Matte Tin (Sn)
1
mm
5.0 max
4.6
13.1 max
5.7 max
1.6
3.0
7.1
1.0
0.197 max
0.181
0.516 max
0.224 max
0.063
0.118
0.280
0.039
Typical dimensions
F
1
-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. ]
