ECS-320-8-37-CKM-TR3 ECS Inc

ECX-1637 SMD CRYSTAL The sub miniature ECX-1637 is a very compact SMD Crystal. The 2.0 x 1.6 x 0.45 mm ceramic package is ideal for LoRa WAN, Request a Sample wireless, cellular and high density applicaitons. OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS ECX-1637 SMD CRYSTAL PARAMETERS CONDITIONS ECX-1637 UNITS MIN TYP MAX Frequency 16.000 80.000 MHz Mode of Oscillation Fundamental +25C Frequency Tolerance* 50 ppm Frequency Stability* -20 ~ +70C 50 ppm Shunt Capacitance Co 5 pF Load Capacitance Specify in P/N 8 pF Low Profile Drive Level DL 100 W 2.0 x 1.6 mm Footprint Operating Temperature* Topr -20 +70 C Extended Temp. Range Option RoHS Compliant Storage Temperature Tstg -40 +85 C DIMENSIONS (mm) Aging (First Year) +25C 3C 5 ppm Frequency (MHz) ESR Max. 16.000 ~ 23.999 100 24.000 ~ 25.999 80 26.000 ~ 39.999 60 40.000 ~ 80.000 50 Pad Connections 1 In/Out 2 Gnd Figure 1) Top, Side, and Bottom 3 Out/In Crystal is symmetrical, pad 1 & 3 are interchangeable. 4 Gnd Chamfer on the bottom pad has no electrical Figure 2) Suggested land significance. pattern PART NUMBERING GUIDE: Example ECS-240-8-37-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 -37 = 10 = 10 pF A = 25 ppm D= 100 ppm L = -10 ~ +70C See P/N Guide TR3 = 3K ECX-1637 J = 20 ppm E = 50 ppm M = -20 ~ +70C S=Series Qty/Reel Y = -30 ~ +85C R = 15 ppm G = 30 ppm C = 10 ppm H = 25 ppm N = -40 ~ +85C T = 20 ppm P = -40 ~ +105C * Specify available options in P/N. S = -40 ~ +125C W = 15 ppm Contact ECS for availability over extended temp range. K = 10 ppm U = -55 ~ +125C Rev.2021 th 15351 West 109 Street Lenexa, KS 66219 Phone: 913.782.7787 Fax: 913.782.6991 www.ecsxtal.com ECX-1637 SMD CRYSTAL POCKET TAPE DIMENSIONS (mm) SOLDER PROFILE Peak solder Temp +260C Max 10 sec Max. DEVELOPED FREQUENCIES 2 Cycles Max. Abbreviation Frequency (MHZ) MSL 1, Lead Finish Au 160 16.000 192 19.200 200 20.000 240 24.000 250 25.000 260 26.000 270 27.000 271.2 27.120 300 30.000 320 32.000 360 36.000 384 38.400 400 40.000 480 48.000 500 50.000 540 54.000 Figure 1) Suggested Reflow Profile th 15351 West 109 Street Lenexa, KS 66219 Phone: 913.782.7787 Fax: 913.782.6991 www.ecsxtal.com