Crystal unit THIN SMD HIGH-FREQUENCY CRYSTAL UNIT FA-248 Product number (please refer to page 1) Q22FA248xxxxx00 • • • • • • • High-density mounting-type SMD. Excellent shock resistance. Capable of covering a wide frequency range. (from 12 MHz to 27 MHz) 0.9 mm Typ. thickness is equal to SMD-type IC. Most suitable for small communication devices. Available for lead (Pb)-free soldering. Lead (Pb)-free terminal product. Actual size Specifications (characteristics) Item Symbol Nominal frequency Temperature range f Specifications Remarks 12.000 MHz to 27.000 MHz Fundamental mode 27 MHz < f ≤ 32 MHz Please contact us for inquiries. Storage temperature TSTG -40 ˚C to +125 ˚C Stored as bare product after unpacking Operating temperature TOPR -20 ˚C to +70 ˚C / -40 ˚C to +85 ˚C Specified equivalent series must be satisfied. Operable temperature TUSE As per below table Specified equivalent series and frequency temperature characteristics must be satisfied. Recommended drive level DL 10 µW to 100 µW Frequency tolerance Δf/f ±10 x 10-6, ±15 x 10-6, ±20 x 10-6 ∗1 Ta = +25 ˚C ±3 ˚C ±15 x 10 , ±20 x 10 (Standard) ∗1 As per below table -20 ˚C to +70 ˚C Frequency temperature characteristics -6 -6 Load capacitance CL 10 pF to ∞ Please specify Series resistance R1 As per below table Operable temperature range , DL = 100 µW Shunt capacitance C0 5.0 pF Max. Insulation resistance IR 500 MΩ Min. Aging fa ±2 x 10-6 / year Max. Ta = +25 ˚C ±1 ˚C, first year ±5 x10-6 Max. 100 g dummy (Seiko Epson Standard) drop from 1500 mm height on to the concrete 3 directions 10 times. Shock resistance S.R. ∗1 Please ask tighter telerance. Frequency temperature characteristics Operable temperature 0 ˚C to +50 ˚C -10 ˚C to +60 ˚C -20 ˚C to +70 ˚C -30 ˚C to +80 ˚C -40 ˚C to +85 ˚C Series resistance (R1) Frequency tolerance ±5 x 10-6 Min. ±7 x 10-6 Min. ±10 x 10-6 Min. ±15 x 10-6 Min. ±20 x 10-6 Min. Frequency 12.0 MHz ≤ f < 13.0 MHz 13.0 MHz ≤ f < 16.0 MHz 16.0 MHz ≤ f < 20.0 MHz 20.0 MHz ≤ f ≤ 27.0 MHz External dimensions (Unit: mm) #3 #4 #3 2.0 Series resistance 70 Ω Max. 60 Ω Max. 50 Ω Max. 40 Ω Max. Recommended soldering pattern #4 #1 #2 4.0±0.1 #2 0.9±0.1 0.9 #1 29 1.15 #1 Internal connection #4 1.6 0.8 0.7 2.5±0.1 3.0 #3 #2 1.4 (Unit: mm)