QEHC49-GW
HC49 Gull-Wing Crystal – SMD packaged
Specification (rev-A) June 27
th
, 2006
Frequency
1
TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.
Electrical Characteristics
Electrical Parameters Unit Minimum Typical Maximum Test conditions
Frequency range
MHz 1.8432 125
Frequency Tolerance (at 25°C) ± ppm 10 30 50 Refer to Ordering Information
Temperature Stability
± ppm 10 30 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 C
0
pF 7.0
Load capacitance
pF 10pF ~ 32pF or series Refer to Ordering Information
Drive level
µW 100 500
Aging (First Year)
± ppm 5 Ref at 25°C
Insulator resistance
MΩ 500 At 100V
DC
Customized specification upon request
ESR vs. frequency range and Mode of vibration
Mechanical Characteristics
5.0 max
5.5 max
Ø 0.43
± 0.05
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 : QEHC49-GW is fully
RoHS compliant.
Marking for QEHC49-GW
Line 1 VRSxxx (Temex code)
Line 2 Frequency in MHz (6 digits)
Line 3 YYWW – production code
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
