CMR309T

Citizen Crystals and Oscillators - CMR310T/309T Page 1 of 2 CMR310T/CMR309T FEATURES: (1,000pcs/reel) The units are high-performance, miniature crystal units manufactured with Citizen's ultrahigh-precision processing technology. Ideal for low cost SMD applications. Provided in Tape and Reel. APPLICATIONS: Can be used for a wide range of applications including use in AV equipment, OA equipment, communication equipment and measuring instruments. STANDARD SPECIFICATIONS Item Nominal frequency Frequency tolerance Frequency vs.Temperature Characteristics Operating temperature range Storage temperature range Equivalent series resistance Load capacitance Shunt capacitance Drive level Insulation resistance Aging (First year) Sealing Shock resistance CMR310T CMR309T Conditions 4.001MHz to 32MHz (fund) Please contact us for changes 30MHz to 70MHz (3rd OT) in frequency. At 25°C -10°C to +60° C f0 delta delta 3.5MHz to 4.000MHz f/f0 f/f0 ±30ppm or ±50ppm ±50ppm (±30ppm) -40°C to + 85°C -55°C to +125°C See drawing 16.0pF TYP. 5.0pF MAX. 50 µW to 100µW 500M ohm MIN. ± 5ppm MAX. 1 x 10-2 µ Pa·m3 /s MAX. Topr Tstg R1 CL C0 DL IR delta At 25°C Please specify DC100V ± 15V 25°C ± 3°C Conditions will vary depending on the frequency. f/f0 ±5ppm MAX. Drop test of 3 times on a hard board from 75cm height or shock test of 3000G x 0.3ms x 1/2sin wave x 3 directions FREQUENCY vs TEMPERATURE CURVE http://www.citizencrystal.com/quartz/crystals/cmr310t309t_d.htm 4/2/2003 Citizen Crystals and Oscillators - CMR310T/309T Page 2 of 2 EQUIVALENTSERIES RESISTANCE (ESR, R1)(Ohm MAX.) Frequency 3.5MHz