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117

CRYSTALS

RESISTANCE WELDED HOLDER DXT49

20 Min

DXT49

13.5 Max

5 Max

Standard Frequencies available from stock

Temperature ranges -20°C to +70°C or -40°C to 85°C

Ageing ±5ppm/year max

Available range 1.8432MHz - 125.000MHz

DXT49

Series

A

Mode of

Operation

A-AT Cut Fund

T-3rd Overtone

V-5th Overtone

10.000

Frequency

MHz

20

Load

Capacitance

or Series

Resistance

Packaging

Blank = Std

3 = 3rd Lead

I = Insulator Tab

Lxx = Custom

Lead Length

TR = Tape and

Reel

XX

XX

Options

Frequency Temperature

Tolerance

Stability

ppm

ppm

Frequency Range (Fo)

1.8432MHZ to 125.000MHZ

Frequency Tolerance at 25°C

±30ppm (typ)*

±50ppm

Temperature Stability -20° + 70°

±50ppm (typ)*

±100ppm

Operating Temperature Range (TOPR)

20°C to 70°C

-40˚C to 85˚C

Storage Temperature Range (TSTG)

-40°C to 85°C

Shunt Capacitance (Co)

7pF Max

Load Capacitance (CL)

10 to 32pF or Series Resonant

Insulation Resistance

500 Megohms Minimum at 100Vdc

Drive Level

1mWatts Max

Ageing (at 25°C)

±5ppm/year Max

FrequencyRange

Max

Mode

ESR(Ω)

1.800MHz to 1.999MHz

650Max

Fundamental

2.000MHz to 2.999MHz

500Max

Fundamental

3.000MHz to 3.499MHz

250Max

Fundamental

3.500MHz to 3.999MHz

150Max

Fundamental

4.000MHz to 4.999MHz

100Max

Fundamental

5.000MHz to 5.999MHz

80Max

Fundamental

6.000MHz to 7.999MHz

50Max

Fundamental

8.000MHz to 12.999MHz

35Max

Fundamental

13.000MHz to 30.999MHz

25Max

Fundamental

24.000MHz to 29.999MHz

60Max

30.00MHz to 80.000MHz

40Max

70.000Mhz to 125.000MHz

90Max

*Other tolerance and temperatures available on request

ORDERING INFORMATION

EQUIVALENT SERIES RESISTANCE (ESR)

OUTLINE DRAWING

SPECIFICATION

MODE OF OPERATION (MODE)

Max

Dimensions in mm