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AT-51-18.9375MHZ-CL

Description
Parallel - Fundamental Quartz Crystal, 18.9375MHz Nom
CategoryPassive components    Crystal/resonator   
File Size28KB,3 Pages
ManufacturerNDK
Websitehttp://www.ndk.com/en/
Environmental Compliance  
Download Datasheet Parametric View All

AT-51-18.9375MHZ-CL Overview

Parallel - Fundamental Quartz Crystal, 18.9375MHz Nom

AT-51-18.9375MHZ-CL Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerNDK
Reach Compliance Codeunknown
Crystal/Resonator TypePARALLEL - FUNDAMENTAL
Drive level50 µW
frequency stability0.005%
frequency tolerance50 ppm
load capacitance16 pF
Installation featuresTHROUGH HOLE MOUNT
Nominal operating frequency18.9375 MHz
Maximum operating temperature60 °C
Minimum operating temperature-10 °C
physical sizeL11.05XB4.65XH5.08 (mm)
surface mountNO
CRYSTAL UNITS FOR MICROPROCESSOR (AT-51)
s
Features
8
AT-51 crystal units can provide a great number of standard frequencies and have a wide range of
applications. In addition, taping type and gull-wing type are available for automatic mounting.
s
Specification
Frequency Range
Overtone
Temperature Characteristics
Operating Temp. Range
Frequency Tolerance
Equivalent Series Resistance
Load Capacitance
Table 6 (AT-51)
Table 6 (AT-51)
±50
×
10
-6
–10 ~ +60°C
±50
×
10
-6
(at 25°C)
Table 6 (AT-51)
Table 6 (AT-51)
Measuring Circuit: CI Meter
Dimensions
3.541 MHz min
(Fundamental)
Drive Level
50µW (1000µW max)
Fundamental
Standard Load
Capacitance
16pF
5.08
max
CRYSTAL UNITS
3.541 MHz max
(Fundamental),
3rd Overtone
500µW (1000µW max)
3rd Overtone
Series
10.10 max
3.70 max
(mm)
20±1
+0.05
ø 0.43 –0.03
Standard load capacitance may vary depending on the
frequency.
4.88±0.20
11.05 max
4.65 max
AT-51
s
Technical Guidance (AT-51)
Equivalent Series Resistance (R
1
)
(max)
150
Shunt Capacitance (C
0
)
(Typical)
10
8
CO (pF)
6
4
2
Fundamental
0
3rd Overtone
100
100
1
10
FREQ (MHz)
R
1
(Ω)
3rd Overtone
Motional Capacitance (C
1
)
(Typical)
100.0
50
Fundamental
10.0
C1 (fF)
Fundamental
1.0
1
5
10
20
50
100
0.1
1
10
FREQ (MHz)
3rd Overtone
100
FREQ (MHz)
57
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