F r e q u e n c y
QESM49H4 / H2 / H32
HC49 SMD Crystal – SMD packaged
Specification (rev-F)
June 30th, 2006
Heights (mm)
Marking for SM94H4 / H2 / H32
49H4
49H2
H = 5.0 max
H = 4.0 max
H = 3.2 max
Frequency in MHz (6 digits on the top)
ex: 10.000
49H32
Mechanical Conditions
Vibration 10g, 10 H to 2 kHz
according to standard
CEI68-2-63
Shocks
100g, 6 ms according to
standard CEI68-2-27
Note 1 : QESM49H serie is fully RoHS compliant.
Ordering Information
Part numbering system
HQ
QESM49H4
1
30
50
20
25.000MHZ
Package type
Vibration
mode
Frequency
tolerance
Operating
temperature
range
Frequency
stability
Load
Nominal
Frequency
(MHz)
Capacitance
QESM49H4 :
QESM49H2 :
QESM49H32 :
1 = Fundamental
3 = 3rd Overtone
16=16pF
Please enter the
nominal
D=-40°C
F= -30°C
H=-20°C
J=-10°C
10=±10ppm
30=±30ppm
50=±30ppm
10=±10ppm
30=±20ppm
50=±30ppm
Please, enter the
value of load
capacitance
frequency
HC49 SMD packaged
L=0°C
M=+50°C
N=+55°C
O=+60°C
Q=+70°C
T=+85°C
2
TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.
TEMEX [ TEMEX ]
