SURFACE MOUNT MICROPROCESSOR CRYSTAL TCXO Page 1 of 3 Page 1 of 3 SERIES R2520 FEATURES COMPACT DESIGN HIGH ACCURACY EXCELLENT FOR HIGH DENSITY SURFACE MOUNTING SPECIFICATIONS PARAMETER VALUE FREQUENCY RANGE 16.00 MHz to 55.00 MHz MODE OF OSCILLATION FUNDAMENTAL ONLY 50 PPM MAXIMUM FREQUENCY TOLERANCE AT 25C (10, AND 20 PPM AVAILABLE) 50 PPM MAXIMUM FREQUENCY STABILITY OVER TEMPERATURE (10, AND 20 PPM AVAILABLE) 1 -10C TO +60C STANDARD OPERATING TEMPERATURE RANGE 1 -40C TO +85C EXTENDED STORAGE TEMPERATURE RANGE -40C TO +85C AGING 3 PPM PER YEAR MAXIMUM LOAD CAPACITANCE 8 pF to 32 pF OR SERIES EQUIVALENT SERIES RESISTANCE SEE TABLE 1 SHUNT CAPACITANCE 7 pF MAXIMUM DRIVE LEVEL 500 W MAXIMUM 5 PPM MAXIMUM 75 cm DROP TEST IN SHOCK RESISTANCE 3 AXES ONTO A HARD SURFACE REFLOW CONDITIONS 260C 5C FOR 10s MAXIMUM 1 NOTE: NOT ALL STABILITIES ARE AVAILABLE FOR ALL OPERATING TEMPERATURE RANGES. CONTACT FACTORY FOR AVAILABILITY. TABLE 1 FREQUENCY MAX ESR MODE (MHz) (OHMS) 16.000 TO 18.999 FUND 90 19.000 TO 24.999 FUND 80 25.000 TO 31.999 FUND 60 32.000 TO 50.000 FUND 50 r d RALTRON ELEC TR ONI CS 10400 N.W . 33 STREE T Miami, Florida 33172 U.S.A. Telephone: 305-593-6033 Fax: 305-594-3973 e-mail: sales raltron.com web site: SURFACE MOUNT MICROPROCESSOR CRYSTAL TCXO Page 2 of 3 Page 2 of 3 SERIES R2520 PART NUMBERING SYSTEM TOLERANCE/STABLITY TYPE - FREQUENCY - LOAD CAPACITANCE - MODE - (PPM/PPM) Blank FOR MAXIMUM 10 TO 32 pF FOR PARALLEL Blank FOR < 24.576 MHz - R2520 - IN MHz - - PPMPPM S FOR SERIES F FOR 24.576 MHz Example: 1020, 2050 EXTENDED TAPE & - - TEMPERATURE REEL Blank FOR STANDARD - - TR EXT FOR EXTENDED EXAMPLE: R2520-20.000-10-2050-TR Surface Mount Crystal, 2.5 mm x 2.0 mm package, 20.000 MHz, 10 pF load, 20 ppm Tolerance, 20 ppm Stability over the Operating Temperature from -10C to +60C, Tape and Reel packaging MECHANICAL SPECIFICATION CARRIER TAPE DIMENSIONS 1.5 DIA 2.5 0.2 2.0 0.05 4.0 0.1 TOP VIEW .06 DIA .098 .008 .079 .002 .16 .004 GND MARKING AREA GND LAND PATTERN 1.0 0.8 .040 .031 NOTE: REFER TO EIA-481 FOR DIMENSIONS PACKAGING 1.8 .070 178 mm REEL DIAMETER 8 mm TAPE WIDTH, 4 mm PITCH QUANTITY: 1000 PIECES PER REEL IN ACCORDANCE WITH EIA-481 r d RALTRON ELEC TR ONI CS 10400 N.W . 33 STREE T Miami, Florida 33172 U.S.A. Telephone: 305-593-6033 Fax: 305-594-3973 e-mail: sales raltron.com web site: