SM55 Series
Miniature SMD Crystal
January 2009
Part Number:
SM55
-18 -14.31818M
-50
H
1
G
G
-XX
See chart below for available options
Internal code or blank
Highest Specified Operating Temperature
A
= 40
o
C
G
= 70
o
C
H
= 75
o
C
B
= 45
o
C
J
= 80
o
C
C
= 50
o
C
o
K
= 85
o
C
D
= 55 C
E
= 60
o
C
F
= 65
o
C
Lowest Specified Operating Temperature
F
= -15
o
C
L
= -40
o
C
A
= +10
o
C
o
o
G
= -20 C
B
= +5 C
H
= -25
o
C
C
= 0
o
C
J
= -30
o
C
D
= -5
o
C
o
K
= -35
o
C
E
= -10 C
Mode:
1
= Fundamental
Frequency Stability
3
=3rd Overtone
See chart below
Calibration Frequency Tolerance
15
= _ 15 ppm at 25
o
C _ 3
o
C
+
+
o
+
20
= _ 20 ppm at 25 C _ 3
o
C
+
+
30
= _ 30 ppm at 25
o
C _ 3
o
C (Standard)
+
Frequency in MHz
Cload in pF
Parallel Resonance from
09
to
44
pF or
SR
= Series Resonance
Series Model
Available Frequency Stability versus Temperature in ppm
Operating
Temperature Range
0 to +45 C
0 to +50 C
0 to +60 C
0 to +70 C
-10 to +50 C
-10 to +60 C
-10 to +75
o
C
-20 to +70
o
C
-20 to +75 C
-30 to +75 C
-30 to +80 C
-30 to +85 C
-35 to +80 C
-40 to +85 C
o
o
o
o
o
o
o
o
o
o
o
o
D
CODE
CB
CC
CE
CG
EC
EE
EH
GG
GH
JH
JJ
JK
KJ
LK
_
+ 10
!
!
!
!
!
!
!
!
!
!
!
!
E
+ 15
_
!
!
!
!
!
!
!
!
!
!
!
!
!
!
F
+ 20
_
!
!
!
!
!
!
!
!
!
!
!
!
!
!
G
+ 30
_
!
!
!
!
!
!
!
!
!
!
!
!
!
!
H
+ 50
_
!
!
!
STD
!
!
!
!
!
!
!
!
!
!
J
+ 100
_
!
!
!
!
!
!
!
!
!
!
!
!
!
!
www.pletronics.com
425-776-1880
3
PLETRONICS [ PLETRONICS, INC. ]
