Data Sheet

EURO QUARTZ
EQ212 CRYSTALS
2.0 x 1.2 x 0.6mm Ultra-miniature SMD
32.768kHz
Frequency 32.7680kHz
Ultra-miniature package: 2.0 x 1.2 x 0.6mm
Low mass, rugged construction
Packaged in standard EIA tape and reel
DESCRIPTION
OUTLINE & DIMENSIONS
EQ212 crystals provide 32.768kHz in one of the smallest packages
available. The part is designed to provide the smallest possible
component size for real-time clock applications. Their miniature size
and rugged construction make them ideal for battery powered, handheld equipment.
SPECIFICATION
Nominal Frequency:
Calibration Tolerance at 25ºC:
Turnover Temperature:
Temperature Coefficient:
Operating Temperature Range:
Load Capacitance (CL):
Equivalent Series Resistance (ESR):
Drive level:
Ageing:
Insulation Resistance:
Crystal Cut:
Reflow Soldering:
Packaging:
32.7680kHz
±20ppm or ±50ppm
+25±5°C
(-3.5±1.0)x108/°C2
-40 to +85°C
12.5pF or 9.0pF
90kW max.
0.1µW typical 0.5µW max.
±5ppm per year
500MΩ minimum @100VDC
X-Cut
10s maximum at 260°C twice
or 180s at 230°C, once.
EIA tape and reel
ORDERING INFORMATION
Example:
STABILITY OVER TEMPERATURE
X-Cut Crystal
EQ212-32.768-20/12.5
EQ212 - 32.768 - 20 / 12.5
Series EQ212
Frequency: 32.768KHz
Tolerance at 25°C
20 = ±20ppm
50 = ±50ppm
Load Capacitance
12.5pF or 9pF
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 [email protected] www.euroquartz.co.uk
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