CX-1HG-SM Datasheet, PDF (1/2 Pages) EUROQUARTZ limited – CX MINIATURE CRYSTALS

CX MINIATURE CRYSTALS
CX-1HG-SM
8MHz to 160MHz
MINIATURE AT-CUT
SMD CRYSTAL
HIGH SHOCK
Page
1 of 2
General Description
The miniature CX-1HG-SM AT-cut crystals in leadless ceramic
packages have been designed for surface-mounting on printed
circuit boards or hybrid circuits. These crystals are designed for
applications requiring exceptional shock and vibration survival.
D
A ^{(TO P)}
E
D
B
C
E
Outline
CX-1-SM Package Dimensions
Dimension
A
B
C
D
E
Typical
(mm)
8.00
3.56
-
1.14
1.52
Maximum
(mm)
8.38
3.94
see below
1.40
1.78
Dimension
“C”
SM1
SM2
SM3
Glass Lid
(mm max.)
Ceramic Lid
(mm max.)
1.65
1.70
1.78
1.78
1.83
1.90
EURO QUARTZ
Telephone: [phone]
Fax: [phone]
Email: [e-mail]
Web: www.euroquartz.co.uk
 Surface-mount - infrared, vapour phase,
wave solder or epoxy mount techniques
 Low profile, hermetically sealed package
 Available with glass or ceramic lid
 High shock and vibration resistance
 Custom designs available
 Full military environmental testing available
Specification
Frequency Range:
Calibration Tolerance*:
Load Capacitance:
Motional Resistance (R):
Motional Capacitance (C):
Quality Factor (Q):
Shunt Capacitance (C):
Drive Level:
Temperature Stability**:
Ageing, first year:
Shock, survival:
Vibration, survival:
Operating Temperature:
Storage Temperature:
Process Temperature:
8MHz to 160MHz
A ±0.01% (±100ppm)
B ±0.1%
C ±1.0%
20pF (unless other required)
See table
See table
See table
See table
500mW max.
-10° to +70°C from ±10ppm
-40° to +85°C from ±20ppm
-55° to +125°C from ±30ppm
±5ppm max.
10,000g 0.2ms, ½ sine
50g rms 10-2,000Hz random
-10°~+70°C (commercial)
-40°~+85°C (industrial)
-55°~+125°C (military)
-55°C~+125°C
260°C for 20 seconds
Specifications are typical at 25°C unless otherwise indicated.
The characteristics of the frequency stability parameter follow that of
AT-cut, thickness-shear mode crystals.
*
Closer calibration available, as low as ±5ppm
**
Does not include calibration tolerance
Equivalent Circuit
1
L
C
R
2
C
R Motional Resistance L Motional Inductance
C Motional Capacitance C Shunt Capacitance
CX-1 Motional Parameters, Q and C
Frequency
10.0MHz
32MHz
155MHz
Motional
Resistance
9 R ( )
Motional
Capacitance
C (fF)
50
5.5
20
7.8
50
0.5
Quality
Factor
‘000s
80
36
41
Shunt
Capacitance
C (pF)
2.2
2.6
3.2