EURO
QUARTZ
3.2 x 2.5 x 0.7mm SMD
FEATURES
Frequency range 12MHz to 60MHz, fundamental mode
Ultra-small package 3.2mm x 2.5mm x 0.6mm
Packaged in standard EIA tape and reel
Ideal for PDAs, hand-held GPS, PCMCIA etc.
DESCRIPTION
X32 crystals are ultra-miniature AT-cut crystals covering the frequency
range 12MHz to 60MHz in fundamental mode and up to 150MHz in
3rd overtone mode. Their small size and low mass makes these crystals
ideal for miniaturized hand-held equipment and similar high-density
applications.
X32 CRYSTALS
12.0MHz to 60MHz
OUTLINE & DIMENSIONS
SPECIFICATION
Frequency Range:
Operating Mode:
Calibration Tolerance at 25ºC*:
Frequency stability*
-10° to +60°C
-20° to +70°C
-40° to +85°C
Storage Temperature:
Equivalent Series Resistance:
Shunt Capacitance (C0):
Load Capacitance (CL):
Ageing:
Drive level:
Reflow Soldering:
Packaging:
12.0MHz to 60.0MHz
AT-Cut Fundamental:
from ±5ppm
(±10, ±20 or ±30ppm standard)
from ±5ppm
from ±10ppm
from ±15ppm
-40°~+85°C
See table
2pF to 4pF typical, 5pF maximum
Series or from 8pF to 32pF
(Customer specified CL)
<±3ppm per year at +25°C
10 µW typical, 100µW maximum
10s maximum at 260°C twice
or 180s at 230°C, once.
12mm EIA tape and reel
*Note: Tighter stability, tolerance and lower ESR values are available.
PART NUMBER GENERATION
Part numbers for X32 crystals are generated as follows:
STANDARD PART NUMBERS AND SPECIFICATIONS
Tolerance (±ppm)/
Stability (±ppm)/
Temp. Range (°C)/
Max. ESR (Ohms)
30/50/-20+70/100R
30/50/-20+70/100R
30/50/-20+70/100R
30/50/-20+70/50R
30/50/-20+70/50R
30/50/-20+70/50R
30/50/-20+70/50R
30/50/-20+70/50R
30/50/-20+70/50R
30/50/-20+70/50R
30/50/-20+70/50R
30/50/-20+70/50R
30/50/-20+70/50R
Example:
16.000MHz X32/10/10/-10+60/12pF/80R
Frequency
(MHz)
16.0000
16.3840
20.0000
20.5720
20.9450
24.5500
24.5760
29.4912
32.0000
32.7680
40.0000
48.0000
50.0000
CL
(pF)
12
12
12
12
12
12
12
12
12
12
12
12
12
Euroquartz
Part Number
X32-16000-12
X32-16384-12
X32-20000-12
X32-20572-12
X32-20945-12
X32-24550-12
X32-24576-12
X32-29491-12
X32-32000-12
X32-32768-12
X32-40000-12
X32-48000-12
X32-50000-12
Nominal Frequency
Package
Calibration tolerance
at 25°C (±ppm)
Temperature Stability
over temp. range (±ppm)
Operating Temp. Range (°C)
(Lower and upper limits)
Load Capacitance
(Either SR for series or CL in pF)
Equivalent Series Resistance
(Optional - use when special
value is required)
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk
PCB Design
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