EQ156 Crystal 32.768kHz

EQ156 crystals provide 32.768kHz in an ultra-miniature package. 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, hand-held equipment.


3.20 x 1.50mm	KHz Range	All

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Features

Frequency 32.7680kHz
Ultra-miniature package: 3.2 x 1.5 x 0.9mm
Low mass, rugged construction
Packaged in standard EIA tape and reel

Typical Applications

Miniaturized 32.768kHz crystal for real-time clock applications
The part is ideal for battery powered, hand-held equipment

Specifications


Nominal Frequency: 32.7680kHz
Calibration Tolerance at 25ºC: ±20ppm
Operating Temperature Range: -40 to +85°C
Storae Temperature Range: -55 to +125°C
Load Capacitance (CL): 12.5pF or 7.0pF
Motional Capacitance (C1): 3.6fF typical
Shunt Capacitance (C0): 1.0pF typical
Equivalent Series Resistance (ESR): 70k Ohms
Drive level: 0.5 micro Watt maximum
Temperature Coefficient: -0.04/°C2 maximum
Turnover Temperature: +25°±5°C
Ageing: ±3ppm per year
Insulation Resistance: 500MΩ minimum @100VDC
Crystal Cut: X-Cut
Reflow Soldering: 10s maximum at 260°C twice or 180s at 230°C, once.
Packaging: EIA tape and reel