ECX-42 SMD CRYSTAL The miniature ECX-42 is a compact SMD Crystal. The 4.0 x 2.5 x 0.8 mm ceramic package is ideal for today’s SMD manufacturing environment. OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS ECX-42 SMD CRYSTAL PARAMETERS CONDITIONS ECX-42 MIN Frequency 50.000 MHz @ +25°C ± 30 ppm -10 ~ +70°C ± 50 ppm Shunt Capacitance Co 5 pF Load Capacitance Specify in P/N Frequency Tolerance* Frequency Stability* Low Profile 4.0 x 2.5 mm Footprint Extended Temp. Range Option RoHS Compliant Drive Level Fundamental 12 pF DL 300 μW Operating Temperature* Topr -10 +70 °C Storage Temperature Tstg -55 +125 °C ±5 ppm Aging (First Year) DIMENSIONS (mm) MAX 12.000 Mode of Oscillation TYP UNITS @ +25°C ±3°C Frequency (MHz) 12.000 ~ 15.999 16.000 ~ 19.999 20.000 ~ 23.999 24.000 ~ 50.000 Pad Connections 1 In/Out 2 Gnd 3 Out/In 4 Gnd Figure 1) Top, Side, and Bottom Crystal is symmetrical, pad 1 & 3 are interchangeable. Chamfer on the bottom pad has no electrical significance. ESR Ω Max. 80 60 50 40 Figure 2) Suggested land pattern PART NUMBERING GUIDE: Example ECS-200-20-42-TR 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 42 = ECX-42 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-42 SMD CRYSTAL POCKET TAPE DIMENSIONS (mm) SOLDER PROFILE Peak solder Temp +260°C Max 10 sec Max. 2 Cycles Max. MSL 1, Lead Finish Au DEVELOPED FREQUENCIES Abbreviation Frequency (MHZ) 120 12.000 130 13.000 160 16.000 240 24.000 260 26.000 320 32.000 Figure 1) Suggested Reflow Profile 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com