ECS-320-8-37B2-CWY-TR

The sub miniature ECX-1637B2 is a very compact SMD Crystal. The 2.0 x 1.6 x 0.45 mm ceramic package is ideal for wireless applications. ECX-1637B2 SMD CRYSTAL Request a Sample OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS ECX-1637B2 SMD CRYSTAL PARAMETERS CONDITIONS ECX-1637B2 MIN Frequency Frequency Tolerance* Frequency Stability* Low 1st Year Aging ±2 ppm Max. 2.0 x 1.6 mm Footprint Extended Temp. Range Option RoHS Compliant Load Capacitance Specify in P/N Storage Temperature Aging (First Year) MHz ± 10 ppm ± 10 ppm 3 pF @ +25°C (C option) -30 ~ +85°C (KY option) Co Operating Temperature* 50.000 Fundamental Shunt Capacitance Drive Level DIMENSIONS (mm) MAX 16.000 Mode of Oscillation     TYP DL Topr (Y option) Tstg 8 pF 100 μW -30 +85 °C -55 +125 °C ±2 ppm @ +25°C ±3°C Frequency (MHz) 16.000 ~ 19.999 20.000 ~ 23.999 24.000 ~ 39.999 40.000 ~ 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. ECS - FREQUENCY ABBREVIATION ECS 240 = 24.000 MHz See P/N Guide UNITS ESR Ω Max. 150 70 50 40 Figure 2) Suggested land pattern PART NUMBERING GUIDE: Example ECS-240-8-37B2-CKY-TR LOAD CAPACITANCE 8 = 8 pF 10 = 10 pF S=Series * Specify available options in P/N. † Contact ECS for availability over extended temp range. PACKAGE AVAILABLE OPTIONS Tolerance -37B2 = ECX-1637B2 Blank = Std A = ± 25 ppm J = ± 20 ppm R = ± 15 ppm C = ± 10 ppm 7 = ± 7 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 TR = Tape & Reel 3K/Reel Rev.2021 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com ECX-1637B2 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 Figure 1) Suggested Reflow Profile 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com