QEHC49U Datasheet, PDF (2/3 Pages) TEMEX – HC49U Crystal - Through Hole packaged

Frequency
QEHC49U
HC49U Crystal – Through Hole packaged
Specification (rev-D)
June 27^th, 2006
Electrical Characteristics
Electrical Parameters
Unit Minimum Typical Maximum
Test conditions
Frequency range
MHz
Frequency Tolerance (at 25°C) ± ppm
Temperature Stability
± ppm
Operating Temperature Range °C
Storage temperature range
°C
Shunt capacitance C₀
pF
Load capacitance
pF
Drive level
µW
Aging (First Year)
± ppm
Insulator resistance
MΩ
1.8432
125
10
30
50
10
30
50
-20/+70 -40/+85
-40
+85
7.0
10pF ~ 32pF or series
100
500
5
500
Refer to Ordering Information
Refer to Ordering Information
Refer to Ordering Information
Refer to Ordering Information
Ref at 25°C
At 100V_DC
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)
1.8432 to 1.999
Fund.
650
6.000 to 7.9999
Fund.
50
2.000 to 2.999
Fund.
500
8.000 to 12.999
Fund.
35
3.000 to 3.499
Fund.
250
13.00 to 35.000
Fund.
25
3.500 to 3.999
Fund.
150
24.00 to 29.999
3rd
60
4.000 to 4.999
Fund.
100
30.00 to 79.999
3rd
40
5.000 to 5.999
Fund.
80
80.000 to 125.000
5th
90
Mechanical Characteristics
5.0 [0.197] max
H = 13.46 [0.529] max
Marking for QEHC49-GW
Line 1 VRDxxx (Temex code)
Line 2 Frequency in MHz (6 digits)
Line 3 YYWW – production code
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 : QEHC49U 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.