HC-49UX QUARTZ CRYSTAL The HC-49UX is an “AT” cut resistance weld type Thru Hole quartz crystal. Request a Sample OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS HC-49UX QUARTZ CRYSTAL PARAMETERS CONDITIONS HC-49UX UNITS MIN TYP MAX Frequency Fo 1.800 100.000 MHz Frequency Tolerance* @ +25°C ± 30 ppm Frequency Stability* -10 ~ +70°C ± 50 ppm Shunt Capacitance Co 7 pF Load Capacitance Specify in P/N 10 20 Series pF Drive Level DL 1.0 mW • Cost Effective Operating Temperature* Topr -10 +70 °C • Excellent Aging • “AT” Cut Crystal Storage Temperature Tstg -55 +125 °C • Wide Frequency Range Aging (First Year) @ +25°C ±3°C ±5 ppm • PB Free/RoHS Compliant • MSL 1 Frequency (MHz) ESR Ω Max. Mode of Osc. 1.800 ~ 1.999 750 Fundamental DIMENSIONS (mm) 2.000 ~ 2.399 500 Fundamental 2.400 ~ 2.999 300 Fundamental 3.000 ~ 3.199 200 Fundamental 3.200 ~ 3.699 120 Fundamental 3.700 ~ 4.199 100 Fundamental 4.200 ~ 4.899 70 Fundamental 4.900 ~ 4.999 55 Fundamental 5.000 ~ 5.999 50 Fundamental 6.000 ~ 7.999 40 Fundamental 8.000 ~ 9.999 35 Fundamental 10.000 ~ 12.499 30 Fundamental 12.500 ~ 15.999 25 Fundamental 16.000 ~ 30.000 20 Fundamental 30.000 ~ 100.000 40 3rd Overtone Figure 1) Side and Bottom PART NUMBERING GUIDE: Example ECS-200-20-1X ECS - FREQUENCY ABBREVIATION LOAD PACKAGE AVAILABLE OPTIONS PACKAGING CAPACITANCE Tolerance Stability Temp Range ECS 200 = 20.000 MHz 20 = 20 pF 1X = Blank = Std Blank= Std Blank= Std Bulk See P/N Guide S = Series HC-49UX A = ± 25 ppm D= ±100 ppm L = -10 ~ +70°C J = ± 20 ppm E = ± 50 ppm M = -20 ~ +70°C R = ± 15 ppm G = ± 30 ppm Y = -30 ~ +85°C C = ± 10 ppm H = ± 25 ppm N = -40 ~ +85°C * Specify available options in P/N. T = ± 20 ppm † P = -40 ~ +105°C W = ±15 ppm † S = -40 ~ +125°C † Contact ECS for availability over extended temp range. K = ± 10 ppm † U = -55 ~ +125°C Rev.2017 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com

HC-49UX QUARTZ CRYSTAL DEVELOPED FREQUENCIES Abbreviation Frequency (MHZ) 018 1.8432 020 2.000 020.48 2.048 024 2.4576 030 3.000 032 3.2768 SOLDER PROFILE 035 3.579545 Peak solder Temp +260°C Max 10 sec Max. 036 3.6864 2 Cycles Max. 039 3.93216 MSL 1, Lead Finish Sn/Cu Matte 040 4.000 040.3 4.032 041 4.096 042 4.194304 044 4.433618 049 4.9152 050 5.000 051 5.0688 060 6.000 065 6.5536 073 7.3728 080 8.000 092.1 9.216 098.3 9.8304 100 10.000 110 11.000 Figure 1) Suggested Solder Profile 110.5 11.0592 120 12.000 122.8 12.288 143 14.31818 147.4 14.7456 150 15.000 160 16.000 180 18.000 184 18.432 196.6 19.6608 200 20.000 221 22.1184 240 24.000 480 48.000 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com

15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com