MC-306

SMALL SMD LOW / MEDIUM-FREQUENCY CRYSTAL UNIT MC-306 High-density mounting-type SMD. Photolithography finished allows uniform and stable performance. Excellent reliability and environmental capability. 2.54mm thickness is equal to SMD-type IC. Actual size Specifications (characteristics) Item Symbol f TSTG TOPR GL TSOL ∆f/f θT a CL R1 C1 C0 IR fa ±3ppm/Y max. 50 kΩ max. 1.8fF typ. 0.9pF typ. 32.768 kHz Specifications 20.000 kHz to 165.000 kHz -55˚C to +125˚C -40˚C to +85˚C 1.0µW max. Twice at under 260˚C within 10 sec. Stored as bare product after unpacking Remarks Nominal frequency Temperature range Storage temperature Operating temperature Maximum drive level Soldering condition Frequency tolerance (standard) Peak temperature (frequency) Temperature coefficient (frequency) Load capacitance Series resistance Motional capacitance Shunt capacitance Insulation resistance Aging or under 230˚C within 3 min. ±20ppm, ±50ppm ±50ppm, ±100ppm 25˚C ±5˚C -0.04ppm/ ˚C2 max. 6pF to ∞ 55 kΩ to 10 kΩ 4.0fF to 0.6fF 2.0pF to 0.6pF 500 MΩ min. ±5ppm/Y max. Ta=25˚C ±3˚C, first year Three drops on a hard board from 75 cm or excitation test with 3000G x 0.3ms x 1/2 sine wave x 3 directions Ta=25˚C, DL=0.1µW Please specify As per below table Shock resistance S.R. ±5ppm max. There are some cases that a parts of the cylindrical capsule of quartz unit expose on the surface of the molding material. Series resistance Frequency (kHz) Series resonance resistance (Ω) 20 ≤ f < 30 55K...