
QESM08
SMD
2.5x2.0 Crystal – Ceramic SMD packaged
Specification (rev-A)
J
anuary 25
th, 2008
1
TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.
Freque ncy
Electrical Characteristics
Electrical Parameters
Unit Minimum Typical Maximum
Test conditions
Frequency range
MHz
1
6
60
Frequency Tolerance (at 25°C) ± ppm
10
50
Refer to Ordering Information
Temperature Stability
± ppm
10
50
Refer to Ordering Information
Operating Temperature Range
°C
-20/+70
-40/+85
Refer to Ordering Information
Storage temperature range
°C
-40
+85
Shunt capacitance C0
pF
3.0
Load capacitance
pF
8pF ~ 12pF
Refer to Ordering Information
Drive level
W
50
100
Aging (First Year)
± ppm
2
Ref at 25°C
Insulator resistance
M
500
At 100VDC
Customized specification upon request
ESR vs. frequency range and Mode of vibration
Mechanical Characteristics
Marking for QESM0
8
Line 1
Temex code (3 digits)
Line 2
T+date code (2digits)
Frequency range (MHz)
Mode of vibration
Max ESR ()
16.000 to 19.999
Fundamental (AT-cut)
120
20.000 to 29.999
Fundamental (AT-cut)
80
30.000 to 60.000
Fundamental (AT-cut)
50
H = 0.55 Max
Mechanical conditions
Vibration 10g, 10Hz to 2KHz
according to standard
CEI 68-2-63
Shocks
100g, 6ms according
to standard CEI 68-2-
27
Note 1 : Pin 2 and Pin 4 are
connected through cover. In case
connected to GND, frequency
might be drifted.
Note 2 : QESM0
8 is fully RoHS
compliant.