Crystal unit THIN SMD LOW/MEDIUM-FREQUENCY CRYSTAL UNIT MC-206 Product number (please refer to page 1) Q1 xMC2 0 6 x x x x x 0 0 • High-density mounting-type SMD of Max. 2.0 mm thickness. • High heat resistance allows reflow soldering. • Excellent environmental capability. Actual size Item Symbol Nominal frequency Temperature range Remarks Specifications f 32.768 kHz 32.000 kHz to 100.000 kHz Storage temperature TSTG -55 °C to +125 °C Operating temperature TOPR -40 °C to +85 °C Maximum drive level GL Frequency tolerance (standard) ∆f/f Peak temperature (frequency) θT +25 °C ±5 °C a -0.04 x 10-6 / °C2 Max. Temperature coefficient (frequency) 1.0 µW Max. ±20 x 10-6, ±50 x 10-6 ±50 x 10-6, ±100 x 10-6 Load capacitance CL Series resistance R1 55 kΩ Max. 50 kΩ to 20 kΩ Motional capacitance C1 1.8 fF Typ. 3.0 fF Max. Shunt capacitance C0 0.9 pF Typ. 1.5 pF Max. Insulation resistance IR Aging fa Shock resistance Stored as bare product after unpacking Ta=+25 °C, DL=0.1 µW 7 pF, 12.5 pF Please specify As per below table 500 MΩ Min. ±3 x 10-6 / year Max. S.R. ±5 x 10-6 / year Max. ±5 x 10-6 Max. Ta= +25 °C ±3 °C, first year Three drops on a hard board from 750 mm or excitation test with 29400 m/s2 x 0.3 ms x 1/2 sine wave x 3 directions Frequency (kHz) 32 ≤ f < 38 38 ≤ f < 65.536 65.536 ≤ f < 75 75 ≤ f ≤100 Series resistance (Ω) 50 kΩ Max. 40 kΩ Max. 25 kΩ Max. 20 kΩ Max. (Unit: mm) 7.3 Max. Internal connection #3 #4 #3 #1 #2 1.2 3.88 1.2 1.3 2.5 0.4 2.4 1.8 #2 2.0 Max. #1 (Unit: mm) 4.1 #4 1.3 0.4 5.08 Do not connect #2 and #3 to external device. Metal may be exposed on the top or bottom of this product. This won't affect any quality, reliability or electrical spec. 18