Crystal unit THIN SMD LOW FREQUENCY CRYSTAL UNIT FC-135/145 Product number (please refer to page 1) Q1 3 FC 1 3 5 x x x x x 0 0 Q1 3 FC 1 4 5 x x x x x 0 0 * * * * High-density mounting-type SMD of 0.9 mm Max. thickness. Small packaging area and light weight. Excellent environmental capability. Most suitable for small communications devices. FC-135 FC-145 Actual size Item Symbol Specifications f 32.768 kHz Remarks please contact us for inquiries Nominal frequency Temperature Storage temperature TSTG -55 C to +125 C range Operating temperature TOPR -40 C to +85 C Maximum drive level GL 0.5 W Max. Recommended drive level DL 0.1 W Frequency tolerance(standard) f/f 20 x 10-6 Peak temperature(frequency) T +25 C 5 C Temperature coefficient(frequency) a -0.04 x 10-6/ C2 Max. Load capacitance CL 9.0 pF, 12.5 pF Series resistance R1 70 k Max. Motional capacitance C1 1.7 fF Typ. Shunt capacitance C0 1.3 pF Typ. Insulation resistance IR 500 M Min. Aging fa 3 x 10-6/year Max. S.R. 8 x10-6 Max. Shock resistance about the available frequency Stored as bare product after unpacking Ta=+25 C, DL=0.1 W Please ask tighter tolerance Please specify Ta=+25 C 3 C, first year 100 g dummy (Seiko Epson Standard) drop from 1500 mm height on to the concrete 3 directions 10 times. (Unit: mm) 1.50.1 #1 #2 3.20.1 Internal connection 0.9 Max. [ bottom view ] #1 #2 4.10.1 1.7 #1 0.9 2.3 Internal connection 0.9 Max. 0.75 1.50.1 #2 #2 #1 1.1 1.8 1.0 1.8 (Unit: mm) 2.5 3.2 Do not design any patterns on shaded area. 15