ECX-3SX SMD CRYSTAL The wide frequency range SMD quartz crystal is an excellent choice for surface mount applications. The ruggedized moulded package is made from the same thermoplastic that is an industry standard for integrated circuits. OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS ECX-3SX SMD CRYSTAL PARAMETERS CONDITIONS ECX-3SX MIN Frequency 70.000 MHz @ +25°C ± 30 ppm -10 ~ +70°C ± 50 ppm Shunt Capacitance Co 7.0 pF Load Capacitance Specify in P/N Frequency Stability* Drive Level Low Profile Industry Standard Footprint Extended Temp. Range Option RoHS Compliant MAX 3.570 Frequency Tolerance* TYP UNITS 20 pF DL 100 μW Operating Temperature* Topr -10 +70 °C Storage Temperature Tstg -40 +85 °C ±5 ppm Aging (First Year) DIMENSIONS (mm) @ +25°C ±3°C Frequency (MHz) 3.57 ~ 3.999 4.000 ~ 5.999 6.000 ~ 9.999 10.000 ~ 35.999 27.000 ~ 70.000 ESR Ω Max. 200 150 100 50 100 Mode of Osc. Fundamental Fundamental Fundamental Fundamental 3rd Overtone Figure 1) Top, Side, and End Figure 2) Suggested land pattern PART NUMBERING GUIDE: Example ECS-160-20-7SX-TR ECS - FREQUENCY ABBREVIATION ECS 160 = 16.000 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 7SX = ECX-3SX 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 TR = Tape & Reel 1K/Reel Rev.2017 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com ECX-3SX SMD CRYSTAL POCKET TAPE DIMENSIONS (mm) SOLDER PROFILE Peak solder Temp +260°C Max 10 sec Max. 2 Cycles Max. MSL 1, Lead Finish Sn/Cu Figure 1) Suggested Reflow Profile 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com