REVISIONS
LTR
A
INITIAL RELEASE
DATE
5/2/03
APPROVED
SPECIFICATIONS:
NOMINAL FREQUENCY:
FREQUENCY TOLERANCE AT 25°C:
OPERATING TEMPERATURE RANGE:
STORAGE TEMPERATURE RANGE:
AGING:
LOAD CAPACITANCE:
DRIVE LEVEL:
SHUNT CAPACITANCE:
EQUIVALENT SERIES RESISTANCE:
TURNOVER TEMPERATURE:
PARABOLIC CURVATURE CONSTANT:
32.768 kHz
±20 PPM MAX
-10°C TO +60°C
-40°C TO +85°C
±3 PPM PER YEAR MAX
12.5 pF
1.0 µW MAX
1.6 pF MIN
35 KOHMS MAX
25°C ±5°C
3.5 ƒF TYP
460 TYP
9000 TYP
500 MOhms MIN
MOTIONAL CAPACITANCE:
CAPACITANCE RATIO:
QUALITY FACTOR:
INSULATION RESISTANCE:
RALTRON
10651 NW 19TH STREET
MIAMI, FL 33172
ALL DIMENSIONS ARE IN mm/inch
UNLESS OTHERWISE SPECIFIED
DRAWN BY:
Part Generator
CHECKED BY:
APPROVED BY:
SCALE:
SHEET 1 OF
DATE:
DRAWING TITLE:
TUNING FORK CRYSTAL UNIT
CAGE CODE:
DRAWING NUMBER:
VUE
R38-32.768-12.5