Surface Mount Quartz Crystals - Seiko Epson Low Frequency MC306 Series Features * Frequency range 20kHz-165kHz * Photolithography finish allows uniform and stable performance * Excellent shock resistance and environmental capability * Ex-stock availability * Suitable for automatic insertion * Industrial operating temperature range as standard Specifications Item Nominal frequency Temperature range: Storage temperature Operating temperature Maximum drive level Soldering condition Frequency tolerance (standard) Turnover temperature (frequency) Temperature coefficient (frequency) Load capacitance Series resistance Motional capacitance Shunt capacitance Insulation resistance Aging Shock resistance Symbol Specifications f TSTG TOPR GL TSOL f/f OT a CL R1 C1 C1 IR fa S.R. 32.768kHz 20.000kHz to 165.000kHz Remarks Not every frequency available -55C to +125C -40C to +85C 1.0W MAX Two times at under 260C within 10 sec or under 230C within 3 min 10ppm or 20ppm or 50ppm 100ppm Ta=25C, DL = 1.0W 25C 5C 25C TYP -0.04ppm/C2 MAX 3pF to Please specify 50K 50K to 8K 1.8fF 2.1fF to 0.6fF 0.85pF TYP 1.0pF to 0.6pF 100M MIN 3ppm/year MAX 5ppm/year MAX Ta = 25C 3C, first year 5ppm MAX Drop test of 3 times on a hard board from 75cm height or excitation test with 3000G x 3mS x 1/2 sine wave x 3 directions Dimensions (mm) Internal Connection ACT Stock Numbers 32.768kHz MC306 20ppm CL 12.5pF DG00003DZ 32.768kHz MC306 50ppm CL 12.5pF DG00003EC T E L : + 4 4 1 6 3 5 5 2 8 5 2 0 FA X : + 4 4 1 6 3 5 5 2 8 4 4 3