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

CX MINIATURE CRYSTALS
CX-1-SM
530kHz to 2.1MHz
MINIATURE SMD CRYSTAL
Page
1 of 2
EURO QUARTZ
Telephone: [phone]
Fax: [phone]
Email: [e-mail]
Web: www.euroquartz.co.uk
General Description
The miniature CX-1-SM crystals in leadless ceramic packages have
been designed for surface-mounting on printed circuit boards or
hybrid circuits. Hermitically sealed in a rugged, miniature ceramic
package, the CX-1-SM crystal is manufactured using a photo-
lithographic process.
 Extensional mode
 Ideal for use with microprocessors
 Designed for low-power applications
 Compatible with hybrid or PC board packaging
 Low ageing
 Full military environmental testing available
 Ideal for battery operated applications
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 Glass Lid Ceramic Lid
“C”
(mm max.) (mm max.)
SM1
SM2
SM3
1.65
1.70
1.78
1.78
1.83
1.90
Specification
Frequency Range:
530kHz to 2 .1MHz
Functional Mode:
Extensional
Calibration Tolerance*:
A ±0.05% (±500ppm)
B ±0.1%
C ±1.0%
Load Capacitance:
Motional Resistance (R):
7pF
3kW max.
Motional Capacitance (C):
1.2fF
Quality Factor (Q):
150k
Shunt Capacitance (C):
Drive Level:
1.0pF
3mW max.
Turning Point (T)**:
35°C
Note: Frequency (f) deviation from frequency (f₀) @ turning point
temperature (T₀):
f-fo
fo
=
k(T-To)
Ageing, first year:
Shock, survival:
Vibration, survival:
Operating Temperature:
Storage Temperature:
Process Temperature:
±5ppm max.
750g 0.3ms, ½ sine
10g rms, 20-1,000Hz 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.
*
Tighter frequency calibration available
**
Other turning point available
Equivalent Circuit
1
L
C
R
2
C
R Motional Resistance L Motional Inductance
C Motional Capacitance C Shunt Capacitance
Solder Pad Layout
1.78
4.06
6.86