QEHC49H3150DT5016中文资料

FREQUENCY

QEHC49-GW

HC49 Gull Wing Crystal – SMD packaged Specification (Rev-A)

Electrical Characteristics ......................................................P01

ESR vs. frequency range and Mode of vibration ..................P01

Mechanical Characteristics...................................................P01

Ordering Information.............................................................P02

Suggested Reflow Soldering profile......................................P02

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QEHC49-GW

HC49 Gull-Wing Crystal – SMD packaged

Specification (rev-A) June 27th , 2006

1

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 M ?

500

At 100V DC

Customized specification upon request

ESR vs. frequency range and Mode of vibration

5.0 max

5.5 max

? 0.43 ± 0.05 Frequency range (MHz) Mode of vibration Max ESR (?)Frequency range (MHz)Mode of vibration Max ESR (?)

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

QEHC49-GW

HC49 Gull-Wing Crystal – SMD packaged

Specification (rev-A)June 27th, 2006 Ordering Information

Suggested Reflow Soldering Profile