EUROQUARTZ EQ158

EURO QUARTZ
EQ158 CRYSTAL
2 x 1.2 x 0.6mm Ultra-miniature SMD
32.768kHz
Frequency 32.7680kHz and from 32.0 to 77.5kHz
Ultra-miniature package: 2.05 x 1.2 x 0.6mm
Low mass, rugged construction
Packaged in standard EIA tape and reel
DESCRIPTION
OUTLINE & DIMENSIONS
EQ158 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.
SPECIFICATION
Nominal Frequency:
Storage Temperature Range:
Operating Temperature Range:
Drive Level:
Standard Frequency Tolerance:
Turnover temperature:
Parabolic Coefficient:
Load Capacitance:
Motional Resistance (ESR):
Motional Capacitance:
Shunt Capacitance:
Ageing:
32.768kHz
-55° to +125°C
-40° to +85°C
0.5µW maximum
±30ppm or ±50ppm
(Tighter tolerances available)
±25°C±5°C
-0.04ppm/°C2 maximum
12.5pF
65kΩ to 90kΩ maximum
2.7fF to 7.0fF, 6.4fF typical
1.3pF typical, from 1.6pF to 0.8pF
±3ppm max. in first year @25°C
PART NUMBER AND SPECIFICATION
Frequency
(kHz)
32.7680
CL
(pF)
Stock
Number
12.5
PH32768V
Tolerance (±ppm)/
Temp. Range (°C)/
Max. ESR (Ohms)
STABILITY OVER TEMPERATURE
X-Cut Crystal
30/-40+85/90k
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