E1UNB18-20.000M-I2A

E1U Series • RoHS Compliant (Pb-Free) • HC-49/US short package • AT or BT cut available • Resistance weld seal • Tight tolerance/stability • Tape and reel, insulator tab, and custom lead length options available NOTES E1U H 2.50 L 11.18 W 4.70 CRYSTAL _____________________________________________________________________________________________________________________________________________________________________________________________ _____________________________________________________________________________________________________________________________________________________________________________________________ _____________________________________________________________________________________________________________________________________________________________________________________________ _____________________________________________________________________________________________________________________________________________________________________________________________ _____________________________________________________________________________________________________________________________________________________________________________________________ _____________________________________________________________________________________________________________________________________________________________________________________________ _____________________________________________________________________________________________________________________________________________________________________________________________ _____________________________________________________________________________________________________________________________________________________________________________________________ _____________________________________________________________________________________________________________________________________________________________________________________________ _____________________________________________________________________________________________________________________________________________________________________________________________ _____________________________________________________________________________________________________________________________________________________________________________________________ _____________________________________________________________________________________________________________________________________________________________________________________________ ELECTRICAL SPECIFICATIONS Frequency Range Frequency Tolerance / Stability Over Operating Temperature Range Operating Temperature Range Aging (at 25°C) Storage Temperature Range Shunt Capacitance Insulation Resistance Drive Level Load Capacitance (CL) 3.579545MHz to 50.000MHz ±50ppm / ±100ppm (Standard), ±30ppm / ±50ppm (AT cut only), ±15ppm / ±30ppm (AT cut only), ±15ppm / ±20ppm (AT cut only), or ±10ppm / ±15ppm (AT cut only) 0°C to 70°C, -20°C to 70°C (AT cut only), or -40°C to 85°C (AT cut only) ±5ppm / year Maximum -40°C to 125°C 7pF Maximum 500 Megaohms Minimum at 100VDC 1 mWatt Maximum 18pF (Standard), Custom CL ≥10pF, or Series Resonant EQUIVALENT SERIES RESISTANCE (ESR), MODE OF OPERATION (MODE), AND CUT Frequency Range 3.579545MHz to 4.999MHz 5.000MHz to 5.999MHz 6.000MHz to 7.999MHz 8.000MHz to 8.999MHz 9.000MHz to 9.999MHz 10.000MHz to 14.999MHz MANUFACTURER ESR (Ω) 200 Max 150 Max 120 Max 90 Max 80 Max 70 Max CATEGORY Mode / Cut Fundamental / AT Fundamental / AT Fundamental / AT Fundamental / AT Fundamental / AT Fundamental / AT SERIES Frequency Range 15.000MHz to 15.999MHz 16.000MHz to 23.999MHz 24.000MHz to 30.000MHz 24.000MHz to 40.000MHz 24.576MHz to 29.999MHz 30.000MHz to 50.000MHz PACKAGE ESR (Ω) 60 Max 50 Max 40 Max 40 Max 150 Max 100 Max CLASS Mode / Cut Fundamental / AT Fundamental / AT Fundamental / AT Fundamental / BT Third Overtone / AT Third Overtone / AT REV.DATE ECLIPTEK CORP. CRYSTAL E1U HC-49/US Short CR41 11/07 800-ECLIPTEK www.ecliptek.com for latest revision Specifications subject to change without notice. PART NUMBERING GUIDE E1U A A 18 - 20.000M - I2 TR FREQUENCY TOLERANCE / STABILITY A=±50ppm at 25°C, ±100ppm from 0°C to 70°C B=±50ppm at 25°C, ±100ppm from -20°C to 70°C C=±50ppm at 25°C, ±100ppm from -40°C to 85°C D=±30ppm at 25°C, ±50ppm from 0°C to 70°C E=±30ppm at 25°C, ±50ppm from -20°C to 70°C F=±30ppm at 25°C, ±50ppm from -40°C to 85°C G=±15ppm at 25°C, ±30ppm from 0°C to 70°C H=±15ppm at 25°C, ±30ppm from -20°C to 70°C J=±15ppm at 25°C, ±30ppm from -40°C to 85°C K=±15ppm at 25°C, ±20ppm from 0°C to 70°C L=±15ppm at 25°C, ±20ppm from -20°C to 70°C M=±15ppm at 25°C, ±20ppm from -40°C to 85°C N=±10ppm at 25°C, ±15ppm from 0°C to 70°C P=±10ppm at 25°C, ±15ppm from -20°C to 70°C PACKAGING OPTIONS Blank=Bulk, A=Tray, TR=Tape and Reel AVAILABLE OPTIONS Blank=None (Standard) CX=Custom Lead Length I2=Insulator Tab FREQUENCY LOAD CAPACITANCE S=Series XX=XXpF (Custom) MODE OF OPERATION / CRYSTAL CUT A=Fundamental / AT B=Third Overtone / AT D=Fundamental / BT MECHANICAL DIMENSIONS ALL DIMENSIONS IN MILLIMETERS TAPE AND REEL DIMENSIONS ALL DIMENSIONS IN MILLIMETERS ENVIRONMENTAL/MECHANICAL SPECIFICATIONS PARAMETER SPECIFICATION MARKING SPECIFICATIONS 1000 Pieces per Reel Compliant to EIA-468B Fine Leak Test Gross Leak Test Lead Integrity Lead Termination Mechanical Shock Resistance to Soldering Heat Resistance to Solvents Solderability Temperature Cycling Vibration MIL-STD-883, Method 1014, Condition A MIL-STD-883, Method 1014, Condition C MIL-STD-883, Method 2004 Sn 2µm - 6µm MIL-STD-202, Method 213, Condition C MIL-STD-202, Method 210 MIL-STD-202, Method 215 MIL-STD-883, Method 2002 MIL-STD-883, Method 1010 MIL-STD-883, Method 2007, Condition A Line 1: E XX.XXX M Frequency in MHz (5 Digits Maximum + Decimal) MANUFACTURER CATEGORY SERIES PACKAGE CLASS REV.DATE ECLIPTEK CORP. CRYSTAL E1U HC-49/US Short CR41 11/07 800-ECLIPTEK www.ecliptek.com for latest revision Specifications subject to change without notice.