TUNING FORK CRYSTAL Housing ECX-306/306I crystal made from same t
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ECX-306/306I
TUNING FORK CRYSTAL
Housing ECX-306/306I crystal made from same thermoplastic that industry standard integrated circuits. This ruggedized molded package excellent applications.
profile Long term stability Industry standard footprint Excellent shock resistance Excellent environmental characteristics Tape Reel (3,000 pcs)
PART NUMBERING GUIDE "EXAMPLE"
FREQUENCY .327 LOAD CAPACITANCE 12.5 PACKAGE TYPE**
Package Type examples (-17= ECX-306, 17I= ECX-306I)
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
PARAMETERS NOMINAL FREQUENCY LOAD CAPACITANCE DRIVE LEVEL CALIBRATION TOLERANCE EQUIVALENT SERIES RESISTANCE TEMPERATURE COEFFICIENT OPERATING TEMPERATURE RANGE MAX. OPERATING TEMPERATURE RANGE FACTOR TURNOVER TEMPERATURE STORAGE TEMPERATURE RANGE INSULATION RESISTANCE SHUNT CAPACITANCE MOTIONAL CAPACITANCE AGING (FIRST YEAR) 25°C TOPR TSTG f/fo ECX-306/306 32.768 12.5 Standard (6.0 Optional) max. max. -0.040 PPM/°C2 max. 50,000 min. +125 500M min./ 100V 1.35 typical 0.003 typical max. +25°C UNITS PPM/(C°)
PARABOLIC TEMPERATURE CURVE
(°C)
PACKAGE DIMENSIONS (mm)
Max.
Max.
Max.
Max.
(PPM)
Max.
(0.9
Max.
determine frequency stability, parabolic curvature. example: What stability 45°C? Change (°C) 20°C Change frequency -0.04 -0.04 (20) -16.0
1.15
Figure ECX-306 Top, Side views with connections
Figure ECX-306 Top, Side views with connections
RECOMMENDED OSCILLATION CIRCUIT
this circuit, drive level with maximum recommended. excessive drive applied, irregular oscillation quartz element fractures occur.
Figure ECX-306/306 Land Pattern view
ELECTRICAL CHARACTERISTICS 4069P, 330K required) 22pF, 22pF, 3.0V
ECS, INC. INTERNATIONAL 1105 RIDGEVIEW, OLATHE, 66062 913-782-7787 800-237-1041 913-782-6991 WWW.ECSXTAL.COM CRYSTALS
CRYSTALS
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