HC-49U QUARTZ CRYSTAL This product represents our selection of FEATURES standard resistance weld type quartz •Cost effective crystals. •Excellent aging •Wide frequency range OPTIONS: • Tight tolerances – extended temperature range – pullability • Excellent reliability – mylar spacer • “AT” cut crystal – vinyl sleeve – third ground lead – radial Tape and Reel (1,000 pcs) PART NUMBERING GUIDE “EXAMPLE” FREQUENCY (16.0000 MHz) LOAD CAPACITANCE* PACKAGE TYPE ECS – 160 – 20 – 1 * Load capacitance (xx=xx pF, S= series resonance) Note: See Product Selection Guide for additional options. OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS PARAMETERS CONDITIONS MINIMUM MAXIMUM UNITS FREQUENCY RANGE fo 1.800 100.000 MHz FREQUENCY TOLERANCE Ref @ +25˚C -30 +30 PPM FREQUENCY STABILITY Ta=-10˚C ~ +70˚C -50 +50 PPM OPERATING TEMPERATURE TOPR -10 +70 ˚C STORAGE TEMPERATURE TSTG -30 +85 ˚C SHUNT CAPACITANCE C 7.0 pF 0 LOAD CAPACITANCE C (Customer Specified) 10.0 Series pF L DRIVE LEVEL 1.800 ~ 3.000MHz, 3.000 ~ 100.000MHz 2.0, 1.0 mW AGING (FIRST YEAR) @ +25˚C -5.0 +5.0 PPM EQUIVALENT SERIES RESISTANCE / MODE OF OSCILLATION FREQUENCY RANGE (MHz) MODE MAX ESR Ω FREQUENCY RANGE (MHz) MODE MAX ESR Ω 1.800 ~ 1.999 Fundamental 750 5.000 ~ 5.999 Fundamental 50 2.000 ~ 2.399 Fundamental 500 6.000 ~ 7.999 Fundamental 40 2.400 ~ 2.999 Fundamental 300 8.000 ~ 9.999 Fundamental 35 3.000 ~ 3.199 Fundamental 200 10.000 ~ 12.499 Fundamental 30 3.200 ~ 3.699 Fundamental 120 12.500 ~ 15.999 Fundamental 25 3.700 ~ 4.199 Fundamental 100 16.000 ~ 25.000 Fundamental 20 4.200 ~ 4.899 Fundamental 70 23.000 ~ 100.000 3rd O/T 40 4.900 ~ 4.999 Fundamental 55 PACKAGE DIMENSIONS (mm) 11.35 (10.5) Max. 11.35 Max. x. PfP/Mf0 a M 46 + 30 - 10 3. 4.65 Max. 1 25 60 - 30 TEMP.(˚C) n. Mi 0.43 7 2. Figure 2) Frequency vs Temperature Curve 1 4.88 ± 0.020 Figure 1) HC-49U - Side and Bottom views ECS, INC. INTERNATIONAL1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM CRYSTALS 6 CRYSTALS