QT1CS-32.768KDZB-T

QT1CS kHz Crystal Fuel The Digital World Features ● ● ● ● Applications Frequency range : 32.768 kHz SMD : Ceramic package External dimensions (mm) L : 1.2 x W : 1.0 x H : 0.35 RoHS compliant & Pb free ● ● ● ● ● ● Smart phone Wearable devices Compact portable devices Internet of Things (IoT) Ultra-low power MCU's, SoC's Wireless modules Electrical Characteristics Item Symbol QT1CS f0 32.768 kHz ∆f/f0 ±20 ppm CL 6pF, 7pF, 12.5pF Operating Temperature Range TOTR -40°C ~ +85°C Storage Temperature Range TSTR -55°C ~ +125°C TM 25°C ± 5°C Temperature Coefficient β -0.039 ppm/°C2 Max. Motional Capacitance C1 7.0 fF Typ. Motional Resistance (ESR) R1 90 kΩ Max. Drive Level DL 0.1μW Typ. / 0.5μW Max. ∆f/f0 ±3 ppm Max. C0 1.5 pF Typ. Nominal Frequency Frequency Tolerance Load Capacitance Turnover Temperature Aging Shunt Capacitance Conditions at 25°C ± 3°C at 25°C ± 3°C at 25°C ± 3°C, first year Dimensions Top View Crystal Connection # 2 : Connect to the lid (GND) # 4 : No connect Recommended pad layout Rev. 1.01 Page 1 www.qstproducts.com QT1CS kHz Crystal Fuel The Digital World Ordering Information QT1CS - 32.768K D Z F - T Frequency Tolerance (at 25°C) D Packaging Method T ± 20 ppm Tape & Reel Load Capacitance Frequency Stability (over Temp.) Z Standard for kHz B Y F 6 pF 7 pF 12.5 pF Packing (Unit: mm) Reflow Profile Total time : Max. 200 sec. Solder melting point : 220°C Rev. 1.01 Page 2 www.qstproducts.com