Crystal unit THIN SMD HIGH-FREQUENCY CRYSTAL UNIT FA-238 Product number (please refer to page 1) Q22FA238xxxxx00 * * * * * * * High-density mounting-type SMD. Excellent shock resistance. Capable of covering a wide frequency range. (from 16 MHz to 50 MHz) 0.6 mm Typ. thickness is equal to SMD-type IC. Most suitable for small communication devices. Available for lead (Pb)-free soldering. Complete lead (Pb)-free product. Actual size Specifications (characteristics) Item Symbol Specifications Remarks f Fundamental mode Stored as bare product after unpacking Specified equivalent series must be satisfied. Specified equivalent series and frequency temperature characteristics must be satisfied. Nominal frequency Storage temperature Operating temperature Operable temperature Recommended drive level TSTG TOPR TUSE DL 16.000 MHz to 50.000 MHz -40 C to +125 C -40 C to +85 C As per below table 10 W to 100 W Frequency tolerance f/f 50 x 10-6 (standard) (15 x 10-6 to 50 x 10-6 is available) Ta = +25 C 3 C For the out of standard specifications, please contact us for inquiries. 1 30 x 10-6 (standard) As per below table -20 C to +70 C For the out of standard specifications, please contact us for inquiries. 1 Temperature range Frequency temperature characteristics Load capacitance Series resistance Shunt capacitance Insulation resistance Aging CL R1 C0 IR fa Shock resistance 7 pF to (standard:10 pF) As per below table 5.0 pF Max. 500 M Min. 5 x 10-6 / year Max. S.R. Please specify Operable temperature range , DL = 100 W 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. 10 x10-6 Max. 1 f > 40 MHz : Only standard specifications Series resistance (R1) 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 Frequency tolerance 8 x 10-6 Min. 12 x 10-6 Min. 15 x 10-6 Min. 20 x 10-6 Min. 30 x 10-6 Min. Frequency 16.0 MHz f < 20.0 MHz 20.0 MHz f < 25.0 MHz 25.0 MHz f < 30.0 MHz 30.0 MHz f 50.0 MHz External dimensions (Unit: mm) #3 #3 1.2 Recommended soldering pattern #4 2.2 #1 #2 3.20.1 0.60.1 #2 0.9 #1 1.6 0.8 1.2 0.7 2.50.1 #4 Series resistance 80 Max. 60 Max. 50 Max. 40 Max. Internal connection #4 #1 #3 #2 #2 and #4 is connected with a cover. 27 1.4 (Unit: mm)