F r e q u e n c y
QEHC49H3
HC49/S Crystal – Through Hole packaged
Specification (rev-D)
June 29th, 2006
Electrical Characteristics
Electrical Parameters
Frequency range
Frequency Tolerance (at 25°C) ± ppm
Temperature Stability
Operating Temperature Range
Storage temperature range
Shunt capacitance C0
Load capacitance
Unit Minimum Typical Maximum
Test conditions
MHz
3.200
10
10
66.000
50
50
30
30
Refer to Ordering Information
Refer to Ordering Information
± ppm
°C
-20/+70 -40/+85 Refer to Ordering Information
°C
pF
-40
+85
7.0
pF
10pF ~ 32pF or series
Refer to Ordering Information
Drive level
Aging (First Year)
Insulator resistance
µW
± ppm
MΩ
100
500
5
Ref at 25°C
At 100VDC
500
Customized specification upon request
ESR vs. frequency range and Mode of vibration
Frequency range (MHz) Mode of vibration Max ESR (Ω) Frequency range (MHz) Mode of vibration Max ESR (Ω)
3.200 to 4.499
4.500 to 5.999
6.000 to 6.999
7.000 to 7.999
8.000 to 8.999
Fund.
Fund.
Fund.
Fund.
Fund.
150
120
100
90
9.000 to 9.999
10.000 to 12.999
13.000 to 30.000
30.000 to 66.000
Fund.
Fund.
Fund.
3rd
60
50
40
80
80
Mechanical Characteristics
Marking for QEHC49H3
Frequency in MHz (6 digits)
On top
5.0 [0.197] max
H = 3.56 [0.140] 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 : QEHC49H3 is fully RoHS
compliant.
1
TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.