SURFACE MOUNT QUARTZ CRYSTAL UNIT SERIES T20 FEATURES LOW PROFILE (2.0mm MAX HEIGHT) TIGHTER TOLERANCE AVAILABLE WIDE FREQUENCY RANGE SPECIFICATIONS FREQUENCY RANGE 3.579 MHz TO 60.00 MHz MODE OF OSCILLATION FREQUENCY (MHz) ESR (OHM) MAX MODE ±50, 100 PPM (STANDARD) 3.579 - 4.000 180 AT FUND ±50, 100 PPM (STANDARD) 4.000 - 4.900 150 AT FUND 5.000 - 6.900 100 AT FUND -55°C TO +105°C 7.000 - 14.900 50 AT FUND ±5 PPM PER YEAR MAX 15.000 - 23.900 40 AT FUND 24.000 - 36.000 30 AT FUND 25.000 - 40.000 40 BT FUND 30.000 - 60.000 100 AT 3rd OT FUNDAMENTAL OR THIRD OVERTONE CRYSTAL CUT AT OR BT FREQUENCY TOLERANCE AT 25°C FREQUENCY STABILITY OVER TEMPERATURE RANGE OPERATING TEMPERATURE RANGE STANDARD -10°C TO +60°C EXTENDED -40°C TO +85°C STORAGE TEMPERATURE RANGE AGING LOAD CAPACITANCE SERIES TO 32 pF EQUIVALENT SERIES RESISTANCE (ESR) SEE TABLE DRIVE LEVEL 100 uW TYPICAL REFLOW CONDITIONS 240°C FOR 10 s MAX OUTLINE DRAWING ø1.5 ± 0.1 ø.060 ± .004 2.0 ± 0.1 .079 ± .004 4.0 ± 0.1 .157 ± .004 MARKING AREA ø2.2 ± 0.1 ø.070 ± .004 10.70 .421 5.08 .20 12.0 ± 0.1 .472 ± .004 24.0 ± 0.8 mm inch .945 ± .031 Scale none Dimension in 12.0 ± 0.30 .47 ± .012 11.5 ± 0.1 1.75 ± 0.1 .453 ± .004 .069 ± .004 CARRIER TAPE DIMENSIONS 5.2 ± 0.1 .205 ± .004 REFLOW SOLDERING PROFILE 2.0 .079 1.0 .039 7.48 .294 5.08 .20 2.4 .094 PACKAGING 250mm REEL DIAMETER 24mm TAPE WIDTH, 12mm PITCH QUANTITY: 1000 PIECES PER REEL EXAMPLE: T20-3.579545-18-EXT Raltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A. Tel: 305-593-6033 Fax: 305-594-3973 e-mail: [email protected] Internet: http://www.raltron.com