ECX-49 ECS | Alldatasheet
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Technical content
PARAMETERS CONDITIONS ECX-49 UNITS MIN TYP MAX Frequency 32.768 KHz Frequency Tolerance @ +25°C ± 20 * ppm Temperature Coefficient ß -0.028 -0.034 -0.040 ppm/°C² Shunt Capacitance C0 1.10 pF Load Capacitance Specify in P/N 12.5 pF Drive Level DL 1.0 μW Equivalent Series Resistance R1 70K Ω Turnover Temperature TM +20 +25 +30 °C Operating Temperature Topr -40 +85 °C Storage Temperature Tstg -55 +125 °C Aging (First Year) @ +25°C ±3°C ±3 ppm ECS - FREQUENCY ABBREVIATION LOAD CAPACITANCE PACKAGE CUSTOM OPTIONS Tolerance PACKAGING PAD CONNECTIONS
1 In/Out
2 Out/In
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS The ultra-miniature ECX-49 is a very compact SMD Tuning Fork Crystal. The 4.1 x 1.5 x 0.9 mm ceramic package is ideal for Industrail applications. ECX-49 SMD CRYSTAL ECX-49 SMD CRYSTAL Low Profile 4.1 x 1.5 mm Footprint Extended Temp. Range RoHS Compliant DIMENSIONS (mm) PART NUMBERING GUIDE: Example ECS-.327-12.5-49-TR Figure 2) Suggested Land Pattern Figure 1) Top, Side, and Bottom views .327 = 32.768 KHz 12.5 = 12.5 pF 9 = 9 pF 7 = 7 pF 6 = 6pF -49 = ECX-49 Blank = ±20 ppm * C = ± 10 ppm TR = Tape & Reel 3K/Reel Rev.2018 ECS *Contact ECS for availability Request a Sample
Peak solder Temp +260°C Max 10 sec Max. 2 Cycles Max. MSL 1, Lead Finish Au POCKET TAPE DIMENSIONS (mm) ECX-49 SMD CRYSTAL Figure 1) Suggested Reflow Profile