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Product
HC-49U Crystal Unit
HC-49U crystal units is resistance welded type crystal units.
Airtight metal package ensures high-reliability.
Taping package is for customer automatic loading operation.
    
Specifications and Dimensions

Electrical Specifications of HC-49U Quartz Crystal

Item /Type

6A (HC-49U Crystal Units)

Frequency Range

1~150 MHz

Frequency Tolerance (at 25℃)

±30ppm, or specify

Frequency Stability Over Operating   Temperature

±30ppm, or specify

Operating Temperature Range

-20~+70℃, or specify

Storage Temperature Range

-55~+125

Load Capacitance

16pF, 20pF, 30pF, 32pF, or specify

Drive Level

1~500μw (100μW Typ.)

Shunt Capacitance (C0)

7pF Max.

Aging (at 25)

±3ppm /Year Max.

Packing Unit

100 pcs.

Motional Resistance (ESR)

Fundamental

3rd Overtone

5th Overtone

1~3.0MHz

350Ω   Max.

20~25MHz

50Ω   Max.

70~100MHz

60Ω   Max.

3~3.5MHz

150Ω   Max.

25~30MHz

40Ω   Max.

100~125MHz

60Ω   Max.

3.5~4.0MHz

90Ω   Max.

30~75MHz

40Ω   Max.

125~150MHz

60Ω   Max.

4~7.0MHz

60Ω   Max.

75~100MHz

60Ω   Max.


7~15.0MHz

35Ω   Max.


15~30MHz

25Ω   Max.



Dimensions [Unit: mm]

HC-49U-Dimension

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