ECS-250-20-4VX

HC-49USSX QUARTZ CRYSTAL The HC-49USSX is the low profile (2.26 mm Max.) resistance weld type Thru Hole quartz crystal. Request a Sample OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS HC-49USSX QUARTZ CRYSTAL PARAMETERS CONDITIONS HC-49USSX MIN Frequency Fo MHz @ +25°C ± 30 ppm -10 ~ +70°C ± 50 ppm Shunt Capacitance Co 5 pF Load Capacitance Specify in P/N Series pF 500 μW Frequency Stability* Cost Effective Low Profile PB Free/RoHS Compliant MSL 1 MAX 50.000 Frequency Tolerance* • • • • TYP UNITS Drive Level 3.570 10 20 DL Operating Temperature* Topr -10 +70 °C Storage Temperature Tstg -55 +125 °C ±5 ppm Aging (First Year) @ +25°C ±3°C Frequency (MHz) 3.570 ~ 4.999 5.000 ~ 5.999 6.000 ~ 6.999 7.000 ~ 8.999 9.000 ~ 12.999 13.000 ~ 19.999 20.000 ~ 30.000 26.999 ~ 39.999 40.000 ~ 50.000 DIMENSIONS (mm) ESR Ω Max. 150 120 100 80 60 50 40 100 80 Mode of Osc. Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental 3rd Overtone 3rd Overtone Figure 1) Side, End and Bottom PART NUMBERING GUIDE: Example ECS-200-20-4VX ECS - FREQUENCY ABBREVIATION ECS 200 = 20.000 MHz See P/N Guide LOAD CAPACITANCE 20 = 20 pF S = Series * Specify available options in P/N. † Contact ECS for availability over extended temp range. PACKAGE AVAILABLE OPTIONS Tolerance 4VX = 2.1 mm Blank = Std A = ± 25 ppm J = ± 20 ppm R = ± 15 ppm C = ± 10 ppm Stability Blank= Std D= ±100 ppm E = ± 50 ppm G = ± 30 ppm H = ± 25 ppm T = ± 20 ppm † W = ±15 ppm † K = ± 10 ppm † PACKAGING Temp Range Blank= Std L = -10 ~ +70°C M = -20 ~ +70°C Y = -30 ~ +85°C N = -40 ~ +85°C P = -40 ~ +105°C S = -40 ~ +125°C U = -55 ~ +125°C Bulk Rev.2022 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com HC-49USSX QUARTZ CRYSTAL SOLDER PROFILE Peak solder Temp +260°C Max 10 sec Max. 2 Cycles Max. MSL 1, Lead Finish Sn/Cu Matte DEVELOPED FREQUENCIES Abbreviation Frequency (MHZ) 035 3.579545 036 3.6864 040 4.000 060 6.000 080 8.000 098.3 9.8304 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