EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE

Tel: +44 1460 230000 Fax: +44 1460 230001 email: info@euroquartz.co.uk web: www.euroquartz.co.uk

SURFACE-MOUNT CRYSTALS

Nominal Frequency:

32.7680kHz

Calibration Tolerance at 25ºC:

±20ppm or ±50ppm (standard)

Load Capacitance (CL):

12.5pF standard or 7pf

Equivalent Series Resistance (R1)

65kW

Drive Level:

0.5mW max.

Temperature Coefficient:

Peak Temperature:

+25°C±5°C

Shunt Capacitance (C0):

0.8pF typical

Motional Capacitance (C1):

1.9fF typical

Ageing at 25°C:

±3ppm maximum, first year

Insulation Resistance:

500MW minimum @100VDC

Crystal Cut:

X-Cut

Operating Temperature Range:

-40° to 85°C

Storage Temperature Range:

-55° to +125°C

Reflow Soldering:

10s maximum @+260°C, twice

or <230°C for 180s.

Packaging:

16mm EIA Tape and Reel

3000 pieces per reel.

·

Frequency 32.7680kHz

·

Ultra-miniature size 5.0 x 1.9 x 0.9mm (height)

·

Low mass and rugged construction

·

Supplied on tape and reel

FC CRYSTALS

5.0mm x 1.9mm x 0.9mm

FEATURES

OUTLINES AND DIMENSIONS

GENERAL SPECIFICATION

DESCRIPTION

FC crystals are ultra-miniature surface-mount crystals specifically designed

to provide 32.768kHz for real-time clocks. With their ultra-small size and

rugged construction they are ideal for battery-powered, hand held

miniature equipment applications.

PART NUMBERS

Frequency

(kHz)

Load

Capacitance

Part

Number

Tolerance ±ppm/

Temp. Range °C

32.768

12.5pF

PH32768S

±20/-40+85

65k

32.768

7pF

PH32768T

±20/-40+85

65k

ESR Max.

(W)

STABILITY/TEMPERATURE PERFORMANCE