- -M-  
        Specified Operating Temperature Range
CB = 0°C to 45°C
CC = 0°C to 50°C
CE = 0°C to 60°C
CG = 0°C to 70°C
EC = -10°C to 50°C
EE = -10°C to 60°C
EH = -10°C to 75°C
GG = -20°C to 70°C
GH = -20°C to 75°C
JH = -30°C to 75°C
JJ = -30°C to 80°C
JK = -30°C to 85°C
KJ = -35°C to 80°C
LK = -40°C to 85°C
LL = -40°C to 90°C
LM = -40°C to 95°C
LN = -40°C to 100°C
LP = -40°C to 105°C
LR = -40°C to 10°C
LS = -40°C to 115°C
LT = -40°C to 120°C
LU = -40°C to 125°C
ML = -45°C to 90°C
MM = -45°C to 95°C
MN = -45°C to 100°C
MP = -45°C to 105°C
MR = -45°C to 10°C
MS = -45°C to 115°C
MT = -45°C to 120°C
MU = -45°C to 125°C
NL = -50°C to 90°C
NM = -50°C to 95°C
NN = -50°C to 100°C
NP = -50°C to 105°C
NR = -50°C to 10°C
NS = -50°C to 115°C
NT = -50°C to 120°C
NU = -50°C to 125°C
PL = -55°C to 90°C
PM = -55°C to 95°C
PN = -55°C to 100°C
PP = -55°C to 105°C
PR = -55°C to 10°C
PS = -55°C to 115°C
PT = -55°C to 120°C
PU = -55°C to 125°C
        Mode of operation
1 = Fundamental Mode
3 = 3rd Overtone Mode
        Frequency Stability vs Temperature (25oC Reference)
D = ±10ppm
E = ±15ppm
F = ±20ppm
G = ±30ppm
H = ±50ppm
J = ±100ppm
        Calibration Frequency Tolerance
10 = ±10ppm
15 = ±15ppm
20 = ±20ppm
30 = ±30ppm
50 = ±50ppm
        Nominal Frequency in MHz
        Load Capacitance
5 = Series Resonant -or- 6 to 32pF
        Model
Metal Leaded Package
SM25 = SM25 metal case 2.9mm high
SM30 = SM30 metal case 3.5mm high
SM42 = SM42 metal case 4.6mm high
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