Quartz Crystal 38.880 MHz AT HC-45/U 3rd overtone CL 25pF

Specification for Crystal Part # X38.880AT-45-M3-25AC

2. TEMPERATURE CHARACTERISTICS

Item

Parameter

Condition

Min.

Typ.

Max.

Unit

Note

2.1

Reference temperature, ref T

+78

+83

+88

˚C

2.2

Operating temperature range

˚C

2.3

Storage temperature range

-55

+105

˚C

3. ELECTRICAL PARAMETERS

3.1

Motional resistance

R₁

10

20

30

Ohm

3.2

Motional inductance

L₁

1447

mH

3.2

Motional capacitance

C₁

1.0

1.4

1.9

fF

3.3

Static shunt capacitance

C₀

3.3

3.6

3.9

pF

3.4

Figure of merit

Q

150 000

200 000

350 000

-

3.5

Shunt inductance

L₀

4.7

μH

Optional C₀ cancellation

4. FREQUENCY CHARACTERISTICS

4.1

Nominal frequency

@ ref T, C_L and nom P

38.880 000

MHz

4.2

Frequency accuracy

@ ref T, C_L and nom P

-5.0

+5.0

ppm

4.3

Drive level dependency, R₁(P)

R₁ max / R₁ min

10

%

DLD sweep from 0.1 uW — nom P

4.4

Drive level dependency, f₁(P)

Δf / f nom

ppm

DLD Sweep from 0.1uW — nom P

4.5

Long term stability (aging)

First year

-500

+500

ppb

After 30 days of continues operation

4.6

Long term stability (aging)

After first year

ppb

After 30 days of continues operation