QUARTZ
X32 CRYSTALS
EURO
3.2 x 2.5 x 0.7mm SMD
8.0MHz to 125MHz
FEATURES
Frequency range 8MHz to 60MHz, fundamental mode
Ultra-small package 3.2mm x 2.5mm x 0.6mm
Entire package may be grounded via metal lid and two pads
Packaged in standard EIA tape and reel
Extremely low ageing with high shock and vibration resistance
Ideal for PDAs, hand-held GPS, PCMCIA etc.
DESCRIPTION
OUTLINE & DIMENSIONS
MT crystals are ultra-miniature AT-cut crystals covering the frequency
range 8MHz to 60MHz in fundamental mode, 40MHz to 125MHz. Their
small size and low mass makes these crystals ideal for miniaturized
hand-held equipment and similar high-density applications.
SPECIFICATION
Frequency Range:
Operating Mode:
Calibration Tolerance at 25ºC*:
8.0MHz to 125.00MHz
AT-Cut Fund./AT-Cut 3rd OT.
from ±5ppm
(±10, ±20 or ±30ppm standard)
Frequency stability*
-10° to +60°C
from ±5ppm
from ±10ppm
from ±15ppm
-50°~+105°C
-20° to +70°C
-40° to +85°C
Storage Temperature:
Equivalent Series Resistance:
Shunt Capacitance (C0):
Load Capacitance (CL):
2pF to 4pF typical, 5pF maximum
Series or from 8pF to 32pF
Ageing:
Drive level:
Reflow Soldering:
<±3ppm per year at +25°C
10µW typical, 100µW maximum
10s maximum at 260°C twice
or 180s at 230°C, once.
Packaging:
12mm EIA tape and reel
EQUIVALENT SERIES RESISTANCE
Frequency
ESR
Range MHz
Ω Max.
8.0~9.999
600
200
100
60
10.0~11.999
12.0~29.999
30.0~54.000
40.0~125.00
PART NUMBER GENERATION
Part numbers for X32 crystals are generated as follows:
80
AT-Cut 3rd Overtone
16.000MHz X32/10/10/-10+60/12pF/80R
Example:
STANDARD PART NUMBERS AND SPECIFICATIONS
Tolerance (±ppm)/
Nominal Frequency
Package
Frequency
Euroquartz
CL
Stability (±ppm)/
Temp. Range (°C)/
Max. ESR (Ohms)
(MHz)
Part Number
(pF)
Calibration tolerance
at 25°C (±ppm)
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
12
12
12
12
12
12
12
12
12
12
12
12
12
X32-16000-12 30/50/-20+70/100R
X32-16384-12 30/50/-20+70/100R
X32-20000-12 30/50/-20+70/100R
X32-20572-12 30/50/-20+70/60R
X32-20945-12 30/50/-20+70/60R
X32-24550-12 30/50/-20+70/60R
X32-24576-12 30/50/-20+70/60R
X32-29491-12 30/50/-20+70/60R
X32-32000-12 30/50/-20+70/60R
X32-32768-12 30/50/-20+70/60R
X32-40000-12 30/50/-20+70/60R
X32-48000-12 30/50/-20+70/60R
X32-50000-12 30/50/-20+70/60R
Temperature Stability
over temp. range (±ppm)
Operating Temp. Range (°C)
Load Capacitance
Equivalent Series Resistance
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