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Quartz Crystal 20.000 MHz SC HC-43/U 3rd overtone CL 20pF

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Stock status: 0pcs
Well documented / high performance Quartz Crystal with high Q value enabling low Phase Noise and low aging. For use in high performance and high reliability OCXO applications.

Description

Specification for Crystal Part # X20.000SC-43-M3-20AB


1. GENERAL

Item

Parameter

Condition

Value

 

Tolerance

Unit

Note

1.1

Angle of cut

 

SC

 

 

 

 

1.2

Mode of operation

Overtone

3rd

 

 

 

 

1.3

Circuit type

Series resonance

 

 

 

 

 

1.4a

Circuit type

Parallell resonance

 

 

 

 

 

1.4b

Load capacitance, CL

 

20

 

+/- 1

pF

 

1.5

Drive level, nom P

Nominal P

50

 

+/- 10 %

uW

 

1.6

Drive level, max P

Maximum P

 

 

+/- 10 %

uW

 

1.7

Package

HC-43/U

 

 

 

 

Height mm

stal 20.000 MHz  SC HC-43/U 3rd overtone  CL 20pF

2. TEMPERATURE CHARACTERISTICS

Item

Parameter

Condition

Min.

Typ.

Max.

Unit

Note

2.1

Reference temperature, ref T

 

+80

+88

+96

˚C

 

2.2

Operating temperature range

 

 

 

 

˚C

 

2.3

Storage temperature range

 

-55

 

+105

˚C

 

 

 

 

 

 

 

 

 

3. ELECTRICAL PARAMETERS

3.1

Motional resistance

R1

45

60

75

Ohm

 

3.2

Motional inductance

L1

 

302

 

mH

 

3.2

Motional capacitance

C1

0.17

0.21

0.25

fF

 

3.3

Static shunt capacitance

C0

3.2

3.6

4.0

pF

 

3.4

Figure of merit

Q

550 000

 640 000

 700 000

-

 

3.5

Shunt inductance

L0

 

18

 

μH

Optional C0 cancellation

 

 

 

 

 

 

 

 

4. FREQUENCY CHARACTERISTICS

4.1

Nominal frequency

@ ref T, CL and nom P

 

20.000 000

 

MHz

 

4.2

Frequency accuracy

@ ref T, CL and nom P

-2.0

 

+2.0

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

-15

 

+15

ppb

After 30 days of continues operation

4.6

Long term stability (aging)

After first year

 

 

 

ppb

After 30 days of continues operation

Datasheet

Document (1)

Specifications

Partno: X20.000SC-43-M3-20AB
Stock status: 0pcs

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