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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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LOW FREQUENCY QUARTZ CRYSTALS

RESISTANCE WELDED HC-48/U and HC-51/U

ELECTRICAL SPECIFICATIONS

Frequency Range 800KHz to 4.5MHz
Frequency Tolerance ±50ppm at 25șC for 800KHz - 1.0MHz
±30ppm at 25șC for 1.1MHz - 4.5MHz
Frequency Stability ±100ppm (-10șC to +60șC) for 800KHz - 1.0MHz
±50ppm (-10șC to +60șC) for 1.1MHz - 4.5MHz
Load Capacitance (CL) Series or Parallel at 10-32 pF
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-48/U and HC-51/U

Frequency
Range
(MHZ)

ESR
W
Max

Mode

Frequency
Range (MHZ)

ESR
W
Max

Mode

800 - 999KHz

2500

Fundamental 2.400 - 2.999

250

Fundamental
1.000 - 1.249

800

Fundamental 3.000 - 3.199

150

Fundamental
1.250 - 1.799

500

Fundamental 3.200 - 3.999

120

Fundamental
1.800 - 1.999

400

Fundamental 4.000 - 4.500

80

Fundamental
2.000 - 2.399

300

Fundamental      

 

MECHANICAL DIMENSIONS

HC-48/U

Dimensions in mm

HC-51/U

Dimensions in mm

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Last modified: 09/03/03