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| ECX-205/206 SMD TUNING FORK CRYSTAL Housing for the ECX-205/206 crystal is made from the same thermoplastic that is industry standard for integrated circuits. This ruggedized molded package is excellent for SMD applications. FEATURES * Low profile * Long term stability * Industry standard footprint * Tape and Reel (2,000 pcs) PART NUMBERING GUIDE "EXAMPLE" ECS ECS - - FREQUENCY .327 .327 - - LOAD CAPACITANCE 12.5 12.5 - - PACKAGE TYPE* 11 6 * Package Type examples (11= ECX-205, 6= ECX-206) 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 Q FACTOR TURNOVER TEMPERATURE STORAGE TEMPERATURE RANGE INSULATION RESISTANCE SHUNT CAPACITANCE MOTIONAL CAPACITANCE AGING (FIRST YEAR) Fo CL DL @ +25C R1 T OPR Q TO T STG IR Co C1 f/fo ECX-205/206 32.768 12.5 Standard (6.0 Optional) 1.0 max. 20 50 max. -0.040 PPM/C 2 max. -10 ~ +60 -40 ~ +85 50,000 min. +25 5 -55 ~ +125 500M min./ DC 100V 2.0 typical 0.003 pF typical 3 PPM max. @ +25C UNITS KHz pF W PPM K PPM/(C) C C C C M pF pF PPM PACKAGE DIMENSIONS (mm) 10.41 2.29 RECOMMENDED OSCILLATION CIRCUIT Rf PARABOLIC TEMPERATURE CURVE T (C) -20 -10 0 10 20 30 40 50 -10 60 70 0.2 Min. 2.54 3.4 0.51 4.2 Rd -20 -30 -40 -50 C1 C2 Figure 1) ECX-205/206 - Side and End views -60 0.8 1.5 f/f (PPM) 2.7 5.0 2.7 Figure 2) ECX-205/206 Land Pattern- Top view ELECTRICAL CHARACTERISTICS IC: TC 4069P, Rf: 10M Rd: 330K (As required) C 1 = 22pF, C 2 = 22pF V DD = 3.0V In this circuit, low drive level with a maximum of 1W is recommended. If excessive drive is applied, irregular oscillation or quartz element fractures may occur. To determine frequency stability, use parabolic curvature. For example: What is the stability at 45C? 1) Change in T (C) = 45 -25 = 20C 2 2) Change in frequency = -0.04 PPM x (T) 2 = -0.04 PPM x (20) = -16.0 PPM #4 #1 #3 #2 1.5 #4 #1 #3 #2 Figure 3) ECX-205 Pin Connection- Top view Figure 4) ECX-206 Pin Connection - Top view ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 * 913-782-7787 * 800-237-1041 * FAX 913-782-6991 * WWW.ECSXTAL.COM SMD CRYSTALS 12 SMD CRYSTALS |
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