CMR310T/CMR309T FEATURES: ● ● ● 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 CMR310T CMR309T Conditions 4.001MHz to 32MHz (fund) Please contact us for changes 30MHz to 70MHz (3rd OT) in frequency. Nominal frequency f0 Frequency tolerance delta f/f0 ±30ppm or ±50ppm At 25°C Frequency vs.Temperature Characteristics delta f/f0 ±50ppm (±30ppm) -10°C to +60°C Operating temperature range Topr -40°C to + 85°C Storage temperature range Tstg -55°C to +125°C Equivalent series resistance R1 See drawing At 25°C Load capacitance CL 16.0pF TYP. Please specify Shunt capacitance C0 5.0pF MAX. Drive level DL 50 µW to 100µW Insulation resistance IR 500M ohm MIN. DC100V ± 15V Aging (First year) delta f/f0 ± 5ppm MAX. 25°C ± 3°C Sealing Shock resistance 3.5MHz to 4.000MHz 1 x 10-2 µ Pa·m3 /s MAX. Conditions ±5ppm MAX. will vary Drop test of 3 times on a hard board from 75cm height or shock test of depending on 3000G x 0.3ms x 1/2sin wave x 3 directions the frequency. FREQUENCY vs TEMPERATURE CURVE EQUIVALENTSERIES RESISTANCE (ESR, R1)(Ohm MAX.) Frequency Equivalent series resistance 3.5MHz <(=) f0 < 4MHz 200 4MHz <(=) f0 < 6MHz 150 6MHz <(=) f0 < 10MHz 100 10MHz <(=) f0 <(=) 32MHz 50 30MHz < f0 < 36MHz 100 36MHz <(=) f0 < 70MHz 80 DIMENSIONS: (UNIT=mm) RECOMENDED SOLDERING PATTERN: (UNIT=mm) Mode Fundamental 3rd OT