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49U Crystal Resonator

49U Crystal Resonator49U Crystal Resonator
Description:

FEATURES:  

At cut

High temperature stability

Wide frequency range

Low Frequency

 

APPLICATIONS: 

Radio communications

Fixed communications

Wireless communications


Excellent frequency-temperature characteristics extending across a wide temperature range.

Low cost

High quality quartz crystal units for PC, Micro-processor, communication. 


Series No

Mode

Package

PCA

1.8432M-20-F-20-4720

49U


Electrical Specifications 

Table1 Specifications 

Parameter


Frequency Range

1.8432~120MHz

Vibration Mode

Fund…….……F

3rd…………… 3

5th…………….5

Frequency Tolerance (@25℃±2℃)

±10ppm………10

±20ppm………20

±30ppm……….30

±50ppm……….50

Frequency Stability

 

±10ppm………10

±20ppm………20

±30ppm……….30

±50ppm……….50

Operation Temperature Range

 

-10~+60℃…….16

-20~+70℃…….27

-40~+70℃………47

-40~+85℃………85

Resonance Resistance

See Table 2

Shunt Capacitance(C0)

7pF max

Load Capacitance(CL)

10pF………………10

Series……..………S

20pF………………20

30pF……..……….30

Drive Level

2uW~1000uW, 500uW typical

Insulation Resistance

500MΩ@DC100V

Aging

±5ppm/year

Package

49U

49T

Table2 Resonance Resistance

Frequency

Vib.Mode

ESR

1.8~3.5MHz

Fund.

400Ω

3.5~5MHz

Fund.

100Ω

5~10MHz

Fund.

40Ω

10~50MHz

Fund

25Ω

35~80MHz

3rd O.T.

40Ω

75~120MHz

5th O.T.

70Ω


Package:

Unit: mm

49U.jpg

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