CX-3-SM1 Datasheet, PDF (1/2 Pages) EUROQUARTZ limited – CX MINIATURE CRYSTALS

CX MINIATURE CRYSTALS
CX-3-SM
9.6MHz to 160MHz
LOW-PROFILE
MINIATURE AT-CUT
SMD CRYSTAL
Page
1 of 2
General Description
CX-3-SM AT-cut crystals are leadless devices designed for surface-
mounting on printed circuit boards or hybrid circuits. The crystals
are low profile with a very small land area.
Outline
D
A ^{(TO P)}
D
D
B
C
E
CX-3-SM Package Dimensions
Dimension
A
B
C
D
E
Typical
(mm)
6.73
2.62
-
1.27
1.32
Maximum
(mm)
7.11
2.90
see below
1.52
1.57
Dimension
“C”
SM1
SM2
SM3
Glass Lid
(mm max.)
Ceramic Lid
(mm max.)
1.47
1.52
1.60
1.75
1.80
1.88
EURO QUARTZ
Telephone: [phone]
Fax: [phone]
Email: [e-mail]
Web: www.euroquartz.co.uk
 Designed for surface-mount applications using
infrared, vapour phase, wave solder or epoxy
mount techniques
 Ideal for use with microprocessors
 Designed for low power applications
 Compatible with hybrid or PCB mounting
 Low ageing
 Full military environmental testing available
 Custom designs available
Specification
Frequency Range:
Calibration Tolerance*:
Load Capacitance:
Motional Resistance (R):
Motional Capacitance (C):
Quality Factor (Q):
Shunt Capacitance (C):
Drive Level:
Frequency Stability Temp**:
Ageing, first year:
Shock, survival***:
Vibration, survival:
Operating Temperature:
Storage Temperature:
Max. Process Temperature:
9.6MHz to 160MHz
A: ±0.01% (±100ppm)
B: ±0.1%
C: ±1.0%
20pF (unless other specified)
see table below
see table below
see table below
see table below
500mW max.
-10° to +70°C from ±10ppm
-40° to +85°C from ±20ppm
-55° to +125°C from ±30ppm
±5ppm max.
3,000g peak, 0.3ms, ½ sine
20g 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
Note: temperature stability characteristics follow thos of AT-cut
thickness-shear mode.
Specifications are typical at 25°C unless otherwise indicated.
* Closer frequency calibration available
** Other turning point available
*** Higher shock version available
Equivalent Circuit
1
L
C
R
2
C
R Motional Resistance L Motional Inductance
C Motional Capacitance C Shunt Capacitance
CX-3-SM Motional Parameters, Q and C
Frequency
10.0MHz
32MHz
155MHz
Motional
Resistance
9 R ( )
Motional
Capacitance
C (fF)
60
2.8
20
7.8
50
0.5
Quality
Factor
‘000s
95
36
41
Shunt
Capacitance
C (pF)
1.4
2.4
3.2