LOW PROFILE MICROPROCESSOR CRYSTAL TCXO Page 1 of 3 Page 1 of 3 SERIES AS (HC-49/S) FEATURES EXCELLENT CLOCK SIGNAL GENERATOR FOR CPUs 3.5 mm MAXIMUM HEIGHT AVAILABLE IN EXTENDED TEMPERATURE RANGE SAME PIN LAYOUT AS HC-49/U SPECIFICATIONS PARAMETER VALUE FREQUENCY RANGE 3.500 MHz TO 70.000 MHz FUNDAMENTAL 3.500 MHz TO 40.320 MHz MODE OF OSCILLATION THIRD OVERTONE 24.576 MHz TO 70.000 MHz 30 PPM STANDARD FREQUENCY TOLERANCE AT 25C (10, 20 AND 50 PPM AVAILABLE) 50 PPM STANDARD FREQUENCY STABILITY OVER TEMPERATURE (10, 20, 50 AND 100 PPM AVAILABLE) -20C TO +70C STANDARD OPERATING TEMPERATURE RANGE -40C TO +85C EXTENDED STORAGE TEMPERATURE RANGE -55C TO +125C AGING 5 PPM PER YEAR MAXIMUM LOAD CAPACITANCE 10 pF to 32 pF OR SERIES EQUIVALENT SERIES RESISTANCE SEE TABLE 1 SHUNT CAPACITANCE 7.0 pF MAXIMUM DRIVE LEVEL 500 W MAX 5 PPM MAXIMUM 75 cm DROP TEST IN SHOCK RESISTANCE 3 AXES ON TO A HARD SURFACE REFLOW CONDITIONS 260C 5C FOR 10s MAXIMUM CRYSTAL CUT AT STRIP TABLE 1 FREQUENCY MAX ESR FREQUENCY MAX ESR FREQUENCY MAX ESR MODE MODE MODE (MHz) (OHMS) (MHz) (OHMS) (MHz) (OHMS) 3.500 FUND 180 7.3728 FUND 70 11.2896 FUND 50 3.579545 FUND 180 7.680 FUND 70 12.000 FUND 50 3.6864 FUND 150 8.000 FUND 60 12.288 FUND 50 4.000 FUND 130 8.064 FUND 60 12.800 FUND 50 4.032 FUND 130 8.192 FUND 60 14.31818 FUND 50 4.096 FUND 130 8.6436 FUND 60 14.7456 FUND 50 4.194304 FUND 130 9.600 FUND 60 16.000 TO 24.000 FUND 40 4.433619 FUND 130 9.8304 FUND 60 24.576 FUND/3OT 40/80 4.9152 FUND 130 10.000 FUND 50 27.000 FUND/3OT 40/80 5.0688 FUND 100 10.240 FUND 50 28.63636 FUND/3OT 40/80 6.000 FUND 80 10.244 FUND 50 29.000 TO 40.000 FUND/3OT 40/70 6.144 FUND 80 10.245 FUND 50 40.320 FUND/3OT 40/70 6.176 FUND 80 11.000 FUND 50 47.920 3OT 70 7.15909 FUND 70 11.0592 FUND 50 48.000 TO 70.000 3OT 70 OTHER FREQUENCIES ARE AVAILABLE CONTACT SALES 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: LOW PROFILE MICROPROCESSOR CRYSTAL TCXO Page 2 of 3 Page 2 of 3 SERIES AS (HC-49/S) PART NUMBERING SYSTEM TOLERANCE/STABLITY TYPE - FREQUENCY - LOAD CAPACITANCE - MODE - (PPM/PPM) Blank FOR < 24.576 MHz Blank FOR STANDARD 10 TO 32 pF FOR PARALLEL AS - IN MHz - - F FOR 24.576 MHz - PPMPPM S FOR SERIES 3OT THIRD OVERTONE Example: 1020, 2050 TAPE & EXTENDED - - MECHANICAL OPTIONS - HEIGHT (H) - REEL TEMPERATURE (optional) 3PIN for THREE PIN BASE Blank FOR 3.5 mm (STANDARD) Blank FOR STANDARD SP for SPACER H32 3.2 mm (CUSTOM) - - - - TR H30 3.0 mm (CUSTOM) EXT FOR EXTENDED CLxx for CUT LEADS H25 2.5 mm (CUSTOM) (xx = LENGTH) EXAMPLE: AS-24.000-18 Through Hole Crystal, HC-49/SHORT, 24.000 MHz, Fundamental mode, 18 pF load, 30 ppm Tolerance, 50 ppm Stability, from -20C to +70C OUTLINE DRAWINGS 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: