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| SP-T Series (SP-T3) Surface Mount Quartz Crystal Units for Low Frequencies FEATURES * Low height 2.0mm max. * Plastic mold package incorporated tubular type quartz crystal. * Suitable for automatic and high density surface mounting. * Excellent shock and heat resistance. APPLICATIONS * Radio Communication Equipment, Pagers, Cellular Phones, Portable Applications, Clock Source for Micro-Computers STANDARD SPECIFICATIONS Item Nominal Frequency Frequency Tolerance Turnover Temperature Temperature Coefficient Load Capacitance Equivalent Series Resistance Maximum Drive Level Recommended Drive Level Shunt Capacitance Aging Operating Temperature Range Storage Temperature Range Reflow Profile Symbol fo f/fo Tp K CL R1 DLmax DL C0 f/fo Tope Tsto Tsol Conditions without notice (Temperature: +25C2C) Specifications 32.768kHz 20ppm, 30ppm, 50ppm,100ppm +25C5C (-3.51.0) x 10-8/C2 6.0 to 12.5pF 55k max. 1W 0.1W 0.9pF typ. 3ppm max. -40C to +85C -55C to +125C 230C max., 20sec. max. x 2 times IR Reflow +25C3C, First Year Can be used in high accurate products Conditions / Notes DIMENSIONS (For details, please refer to individual specification) 7.3MAX. 4# 3# INTERNAL LEAD CONNECTION 4# 3# UNIT: mm 4.3MAX. 2.6 1# 2# RECOMMENDED SOLDERING PATTERN 1# 2# UNIT: mm 1.2 2.0MAX. 1.8 3.88 1.2 1.3 0.4 5.08 0.4 2.4 1.3 13 |
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