Crystal unit THIN SMD LOW / MEDIUM-FREQUENCY CRYSTAL UNIT MC-206 Product number (please refer to page 1) Q1xMC206xxxxx00 * * * * * High-density mounting-type SMD of Max. 2.0 mm thickness. High heat resistance allows reflow soldering. Excellent environmental capability. Available for lead (Pb)-free soldering. Available for lead (Pb)-free terminal. Actual size Specifications (characteristics) Item Symbol Nominal frequency range Temperature range Specifications f 32.768 kHz Remarks Storage temperature TSTG -55 C to +125 C Operating temperature TOPR -40 C to +85 C Maximum drive level GL Stored as bare product after unpacking 1.0 W Max. Frequency tolerance (standard) f/f Peak temperature (frequency) T +25 C 5 C Temperature coefficient (frequency) a -0.04 x 10-6/C2 Max. Load capacitance CL 7 pF, 12.5 pF Series resistance R1 55 k Max. 50 k to 20 k Motional capacitance C1 1.8 fF Typ. 3.0 fF Shunt capacitance C0 0.9 pF Typ. Insulation resistance IR Aging fa Shock resistance please contact us for inquiries about the available frequency 32.000 kHz to 100.000 kHz 20 x 10 , 50 x 10 -6 50 x 10-6, 100 x 10-6 -6 Ta = +25 C, DL = 0.1 W Please specify As per below table 1.5 pF 500 M Min. 3 x 10-6 / year Max. S.R. 5 x 10-6 / year 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 5 x 10-6 Max. Series resistance Frequency (kHz) 32 f < 38 38 f < 65.536 65.536 f < 75 75 f 100 Series resistance () 50 k Max. 40 k Max. 25 k Max. 20 k Max. External dimensions (Unit: mm) 7.3 Max. #3 #1 #2 1.2 3.88 1.2 1.3 4.1 #4 0.4 2.4 1.8 #2 2.0 Max. #1 (Unit: mm) Internal connection #3 2.5 #4 Recommended soldering pattern 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. 24