HC-49USSX QUARTZ CRYSTAL The HC-49USSX is the low profile (2.1 mm Max.) resistance weld type Thru Hole quartz crystal. Request a Sample OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS HC-49USSX QUARTZ CRYSTAL PARAMETERS CONDITIONS HC-49USSX UNITS MIN TYP MAX Frequency Fo 3.570 50.000 MHz Frequency Tolerance* @ +25°C ± 30 ppm Frequency Stability* -10 ~ +70°C ± 50 ppm Shunt Capacitance Co 5 pF Load Capacitance Specify in P/N 10 20 Series pF Drive Level DL 500 μW • Cost Effective Operating Temperature* Topr -10 +70 °C • Low Profile • PB Free/RoHS Compliant Storage Temperature Tstg -55 +125 °C • MSL 1 Aging (First Year) @ +25°C ±3°C ±5 ppm Frequency (MHz) ESR Ω Max. Mode of Osc. 3.570 ~ 4.999 150 Fundamental DIMENSIONS (mm) 5.000 ~ 5.999 120 Fundamental 6.000 ~ 6.999 100 Fundamental 7.000 ~ 8.999 80 Fundamental 9.000 ~ 12.999 60 Fundamental 13.000 ~ 19.999 50 Fundamental 20.000 ~ 30.000 40 Fundamental 26.999 ~ 39.999 100 3rd Overtone 40.000 ~ 50.000 80 3rd Overtone Figure 1) Side, End and Bottom PART NUMBERING GUIDE: Example ECS-200-20-4VX ECS - FREQUENCY ABBREVIATION LOAD PACKAGE AVAILABLE OPTIONS PACKAGING CAPACITANCE Tolerance Stability Temp Range ECS 200 = 20.000 MHz 20 = 20 pF 4VX = 2.1 mm Blank = Std Blank= Std Blank= Std Bulk See P/N Guide S = Series 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-49USSX QUARTZ CRYSTAL DEVELOPED FREQUENCIES Abbreviation Frequency (MHZ) 035 3.579545 036 3.6864 040 4.000 SOLDER PROFILE 060 6.000 Peak solder Temp +260°C Max 10 sec Max. 080 8.000 2 Cycles Max. 098.3 9.8304 MSL 1, Lead Finish Sn/Cu Matte 100 10.000 110.5 11.0592 120 12.000 122.8 12.288 143 14.31818 147.4 14.7456 160 16.000 184 18.432 200 20.000 240 24.000 245.7 24.576 250 25.000 270 27.000 Figure 1) Suggested Solder Profile 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: E CS: ECS-245.7-20-4V ECS-120-32-4V ECS-35-18-4V ECS-143-20-4V ECS-184-20-4V ECS-100-20-4V ECS-160-20- 4V ECS-270-20-4V ECS-250-20-4V ECS-200-20-4V ECS-240-20-4V ECS-120-18-4V ECS-110.5-20-4V ECS-60- 20-4V ECS-40-20-4V ECS-80-20-4V ECS-147.4-20-4V ECS-122.8-20-4V ECS-98.3-20-4V ECS-100-20-4VX ECS- 35-18-4VX ECS-80-20-4VX ECS-36-20-4VX ECS-240-20-4VX ECS-160-20-4VX ECS-120-18-4VX ECS-98.3-20- 4VX ECS-143-20-4VX ECS-250-20-4VX ECS-122.8-20-4VX ECS-60-20-4VX ECS-40-20-4VX ECS-270-20-4VX ECS-110.5-20-4VX ECS-184-20-4VX ECS-200-20-4VX ECS-147.4-20-4VX ECS-120-32-4VX ECS-245.7-20-4VX