CSM-8M SMD CRYSTAL The CSM-8M is a miniature SMD Crystal with a 7.0 x 5.0 mm footprint. This seam welded metal lid/ceramic package crystal is ideal for PCMIA ethernet applications. OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS CSM-8M SMD CRYSTAL PARAMETERS CONDITIONS CSM-8M MIN Frequency 42.000 MHz @ +25°C ± 30 ppm -10 ~ +70°C ± 50 ppm Shunt Capacitance Co 5 pF Load Capacitance Specify in P/N Series pF 100 μW Frequency Tolerance* Frequency Stability* Compact and Low Profile RoHS Compliant MSL: 1 Lead Finish: Au Drive Level Fundamental 8 20 DL Operating Temperature* Topr -10 +70 °C Storage Temperature Tstg -55 +125 °C ±5 ppm Aging (First Year) DIMENSIONS (mm) MAX 6.000 Mode of Oscillation TYP UNITS @ +25°C ±3°C Frequency (MHz) 6.000 ~ 7.999 8.000 ~ 15.999 16.000 ~ 42.000 ESR Ω Max. 70 60 40 Pad Connections 1 In/Out 2 Gnd 3 Out/In 4 Gnd Figure 1) Top, Side, and Bottom Figure 2) Suggested land pattern Crystal is symmetrical, pad 1 & 3 are interchangeable. Chamfer on the bottom pad has no electrical significance. PART NUMBERING GUIDE: Example ECS-200-20-20BM-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 20BM = CSM-8M 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 CSM-8M 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) 060 6.000 073 7.3728 080 8.000 098.3 9.8304 100 10.000 120 12.000 147.4 14.7456 160 16.000 184 18.432 200 20.000 240 24.000 250 25.000 330 33.000 Figure 1) Suggested Reflow Profile 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com