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| Tuning Fork Quartz Crystals Technical Data Electrical Specifications Nominal Frequency at 25C Frequency Tolerance Turnover Temperature Temperature Characteristic TO K f NTF3238 32.768 kHz Tubular Crystal NTF3238 / NTF3226 Series 32.768 kHz 20 ppm 25C 5C NTF3226 -0.038ppm/C2 Typical Frequency deviation at temperature T ( f/f = K(T0 - T )2 100,000 typ 12 to 13pF 30K max 0.0035pF typ 1.7pF typ 1W max First 30 Days: 3.0ppm First Year: 5.0ppm -10 to +60C -30 to +70C MIL-STD-883, Method 2002, Condition B MIL-STD-883, Method 2003 MIL-STD-202, Method 211, Conditions A and C MIL-STD-883, Method 2007, Condition A MIL-STD-202, Method 215 MIL-STD-202, Method 210, Condition B MIL-STD-883, Method 1014, Condition C MIL-STD-883, Method 1014, Condition A2 MIL-STD-883, Method 1011, Condition A MIL-STD-883, Method 1004 90,000 typ 12 to 13pF 40K max 0.0027pF typ 1.5pF typ Quality Factor ACTUAL SIZE Q CL RS C1 C0 Pd F/f Load Capacitance Series Resistance Motional Capacitance Shunt Capacitance Drive Level Aging Description The NTF tuning fork type quartz crystal provides the circuit designer with the ultimate in size, performance, and economic trade-offs. This highly reliable, stable, and accurate device is available in two microminiature sizes for real-time or low power applications operating from a 32.768 kHz reference frequency. Applications & Features Operating Temperature Range Storage Temperature Range Mechanical Shock: Solderability: Terminal Strength: Vibration: Solvent Resistance: Resistance to Soldering Heat: Environmental Gross Leak Test: Fine Leak Test: Thermal Shock: Moisture Resistance: * Very small, compact packaging * Rugged, resistant to shock and vibration * Excellent resistance to heat shock and environmental conditions * Ideal for real-time clocks All specifications are subject to change without notice. www.saronix.com DS-118 REV E Tuning Fork Quartz Crystals Technical Data Package Details L C B REF A B C L D NTF3238 1.10.2 .043.008 0.30.07 .012.003 3.1 .122 8.3 .327 9.0 .354 max max min NTF3226 0.80.1 .031.004 0.20.05 .008.002 2.1 .083 6.8 .268 5.0 .197 max max min 32.768 kHz Tubular Crystal NTF3238 / NTF3226 Series Typical Temperature Characteristic D F / F - ppm 0 -20 -40 -60 -80 -20 0 20 40 60 80 TEMPERATURE -- C A Part Numbering Guide NTF 3226 Type Package Size 3238 = 3 mm x 8 mm 3226 = 2 mm x 6 mm E CL (Load Capacitance) E: 12 ~ 13 pF Parts will be individually marked, or shipped unmarked in static-free bags labeled with part number. mm ) inches Scale: None ( Dimensions in All specifications are subject to change without notice. www.saronix.com DS-118 REV E |
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