ECX-1637 Low Profile 2.0 x 1.6 mm Footprint Extended Temp. Range Option RoHS Compliant 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 today's SMD manufacturing environment. OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS PARAMETERS CONDITIONS Frequency FO Frequency Tolerance Frequency Stability (ref @ 25°C) ECX-1637 MIN TYP 24.000 UNITS MAX 80.000 MHz @ +25°C ± 50 * ppm -20 ~ +70°C ± 50 * ppm 5.0 pF Shunt Capacitance Load Capacitance 8 Equivalent Series Resistance Fundamental Mode +25 Drive Level pF 100 Ω 100 µW Operating Temperature Topr -20 +70 °C Storage Temperature Tstg -40 +85 °C Aging Characteristics (Per Year) @ +25°C ± 3°C ±5 ppm PACKAGE DIMENSIONS (mm) Pad Connections 240 = 24.000 MHz See P/N Guide for Std Frequencies 8 = 8.0 pF S = Series 1105 South Ridgeview Road z Package Type -37 = ECX-1637 Olathe, KS 66062 In/Out 2 Gnd 3 In/Out 4 Gnd Custom Options PART NUMBERING GUIDE: Example ECS-240-8-37-TR ECS - Frequency Abbreviation - Load - 1 - Tolerance A = ± 25 ppm C = ± 10 ppm z - Stability - Temp Range D = ±100 ppm E = ± 50 ppm G = ± 30 ppm H = ± 25 ppm K = ± 10 ppm Phone: 913.782.7787 z - L = -10 ~ +70°C M = -20 ~ +70°C N = -40 ~ +85°C P = -40~+105°C Fax: 913.782.6991 Packaging -TR = Tape & Reel 1K/Reel z www.ecsxtal.com ECX-1637 SMD CRYSTAL Frequency Abbreviations FREQUENCY MHz CODE 24.000 24.576 26.000 27.000 27.120 28.63636 32.000 36.000 38.400 40.000 240 245.76 260 270 271.2 286.36 320 360 384 400 POCKET TAPE DIMENSIONS (mm) Package Data 1105 South Ridgeview Road z Olathe, KS 66062 z Phone: 913.782.7787 Item Description Lid Base Sealing Terminal Metal Ceramic Seam/EB Tungsten (metalized) Plating Gold/Nickel Surface/Under RoHS Compliant (Pb Free) z Fax: 913.782.6991 z www.ecsxtal.com