ECX-1637BQ SMD CRYSTAL The sub miniature ECX-1637BQ is a very compact SMD Crystal with low aging and AECQ-200 qualified. The 2.0 x 1.6 x 0.45 mm ceramic Request a Sample package is ideal for automotive and industrial applications. OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS ECX-1637BQ SMD CRYSTAL PARAMETERS CONDITIONS ECX-1637BQ UNITS MIN TYP MAX Frequency 16.000 50.000 MHz Mode of Oscillation Fundamental +25C Frequency Tolerance* 10 ppm (C option) -30 ~ +85C Frequency Stability* 10 ppm (KY option) Shunt Capacitance Co 3 pF st Low 1 Year Aging 1 ppm Max. Load Capacitance Specify in P/N 8 pF 2.0 x 1.6 mm Footprint Drive Level DL 200 W Extended Temp. Range Option AEC-Q200 Topr Operating Temperature* -30 +85 C (Y option) DIMENSIONS (mm) Storage Temperature Tstg -55 +125 C Aging (First Year) +25C 3C 1 ppm Frequency (MHz) ESR Max. 16.000 ~ 19.999 150 20.000 ~ 23.999 70 24.000 ~ 39.999 50 40.000 ~ 50.000 40 Pad Connections 1 In/Out 2 Gnd 3 Out/In Figure 1) Top, Side, and Bottom 4 Gnd Figure 2) Suggested land Crystal is symmetrical, pad 1 & 3 are interchangeable. Chamfer on the bottom pad has no electrical pattern significance. PART NUMBERING GUIDE: Example ECS-240-8-37BQ-CKY-TR ECS - FREQUENCY ABBREVIATION LOAD PACKAGE AVAILABLE OPTIONS PACKAGING Tolerance Stability Temp Range CAPACITANCE 8 = 8 pF ECS 240 = 24.000 MHz Blank = Std Blank= Std Blank= Std TR =1K -37BQ = A = 25 ppm D= 100 ppm L = -10 ~ +70C 10 = 10 pF See P/N Guide TR3=3K ECX-1637BQ J = 20 ppm E = 50 ppm M = -20 ~ +70C S=Series Qty/Reel R = 15 ppm G = 30 ppm Y = -30 ~ +85C C = 10 ppm H = 25 ppm N = -40 ~ +85C 7 = 7 ppm T = 20 ppm P = -40 ~ +105C * Specify available options in P/N. W = 15 ppm S = -40 ~ +125C Contact ECS for availability over extended temp range. Rev.2020 K = 10 ppm U = -55 ~ +125C th 15351 West 109 Street Lenexa, KS 66219 Phone: 913.782.7787 Fax: 913.782.6991 www.ecsxtal.com ECX-1637BQ SMD CRYSTAL POCKET TAPE DIMENSIONS (mm) SOLDER PROFILE Peak solder Temp +260C Max 10 sec Max. 2 Cycles Max. MSL 1, Lead Finish Au Figure 1) Suggested Reflow Profile th 15351 West 109 Street Lenexa, KS 66219 Phone: 913.782.7787 Fax: 913.782.6991 www.ecsxtal.com