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MCU Crystals Low Profile Crystals Low Frequency Crystals UM-1, UM-4, UM-5 UM-1/S SMD Crystals Crystal Holder Outline Standard Frequencies Crystal Quote Request

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MICROPROCESSOR CRYSTALS

RESISTANCE WELDED HC-49/U and HC-50/U

ELECTRICAL SPECIFICATIONS

Frequency Range 1.800 to 150.000MHz
Frequency Tolerance (@25șC) ±30ppm
Frequency Stability ±50ppm
Standard Operating Conditions -10șC to +70șC
Load Capacitance (CL) 18pF Standard, Custom CL, 10pF,
or Series Resonant
Shunt Capacitance 7pF Max
Drive Level 1mWatt Max
Aging ±5ppm /yr. Max
  
Other tolerances, stabilities & operating temperature ranges available. Call GED for specific requirements.
  

EQUIVALENT SERIES RESISTANCE (ESR) AND MODE OF OPERATION (MODE)

HC-49/U and HC-50/U

Frequency
Range
(MHZ)

ESR
W
Max

Mode

Frequency
Range
(MHZ)

ESR
W
Max

Mode

1.800 - 1.999

800

Fundamental 8.000 - 10.999

40

Fundamental
2.000 - 2.399

500

Fundamental 11.000 - 14.999

30

Fundamental
2.400 - 3.299

400

Fundamental 15.000 - 25.000

25

Fundamental
3.300 - 3.569

140

Fundamental 23.000 - 65.000

40

3rd Overtone
3.570 - 3.999

100

Fundamental 60.000 - 110.000

80

5th Overtone
4.000 - 5.999

75

Fundamental 110.000 - 200.000

120

7th Overtone
6.000 - 7.999

50

Fundamental      

 

MECHANICAL DIMENSIONS

HC-50/U

HC-49/U

  
Dimensions in mm
  

HC-49/U

HC-50/U

  
Dimensions in mm
 

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Last modified: 09/03/03