EC-20-7.045M TR EC -20 -7.045M TR Series Resistance Welded HC-49/U Crystal Packaging Options Tape & Reel Frequency Tolerance/Stability 50ppm at 25C, 100ppm over 0C to +70C Nominal Frequency 7.045MHz Mode of Operation AT-Cut Fundamental Load Capacitance 20pF Parallel Resonant ELECTRICAL SPECIFICATIONS Nominal Frequency 7.045MHz Frequency Tolerance/Stability 50ppm at 25C, 100ppm over 0C to +70C Aging at 25C 5ppm/year Maximum Load Capacitance 20pF Parallel Resonant Shunt Capacitance (C0) 7pF Maximum Equivalent Series Resistance 40 Ohms Maximum Mode of Operation AT-Cut Fundamental Drive Level 2mWatts Maximum Storage Temperature Range -40C to +85C Insulation Resistance 500 Megaohms Minimum at 100Vdc ENVIRONMENTAL & MECHANICAL SPECIFICATIONS Fine Leak Test MIL-STD-883, Method 1014, Condition A Gross Leak Test MIL-STD-883, Method 1014, Condition C Lead Integrity MIL-STD-883, Method 2004 Mechanical Shock MIL-STD-202, Method 213, Condition C Resistance to Soldering Heat MIL-STD-202, Method 210 Resistance to Solvents MIL-STD-202, Method 215 Solderability MIL-STD-883, Method 2003 Temperature Cycling MIL-STD-883, Method 1010 Vibration MIL-STD-883, Method 2007, Condition A MECHANICAL DIMENSIONS (all dimensions in millimeters) LINE MARKING 12.70 MIN DIA 0.457 0.051(X2) 1 ECLIPTEK 2 E7.045M E=Ecliptek Designator or Blank (No Marking) 3 XX XX=Ecliptek Manufacturing Code 11.18 MAX 4.88 0.20 13.58 MAX 4.70 MAX www.ecliptek.com | Specification Subject to Change Without Notice | Rev P 2/19/2010 | Page 1 of 4 EC-20-7.045M TR Tape & Reel Dimensions Quantity Per Reel: 1,000 Pieces 32.0 MAX 18.0 2.0 18.0 +1.0/-0.5 0.9 MAX 3.81 0.7 12.7 0.3 *Compliant to EIA 468B 56.0 MAX DIA 178 MIN 370 MAX DIA 81.5 MAX 14.0 MIN 38.0 MAX www.ecliptek.com | Specification Subject to Change Without Notice | Rev P 2/19/2010 | Page 2 of 4 EC-20-7.045M TR Recommended Solder Reflow Methods Critical Zone TL to T P Temperature (T) TP Ramp-up Ramp-down TL TS Max TS Min tL t S Preheat t 25C to Peak tP Time (t) High Temperature Solder Bath (Wave Solder) TS MAX to TL (Ramp-up Rate) Preheat - Temperature Minimum (TS MIN) - Temperature Typical (TS TYP) - Temperature Maximum (TS MAX) - Time (tS MIN) Ramp-up Rate (TL to TP) Time Maintained Above: - Temperature (TL) - Time (tL) Peak Temperature (TP) Target Peak Temperature (TP Target) Time within 5C of actual peak (tp) Ramp-down Rate Time 25C to Peak Temperature (t) Moisture Sensitivity Level 3C/second Maximum 150C 175C 200C 60 - 180 Seconds 3C/second Maximum 217C 60 - 150 Seconds 260C Maximum for 10 Seconds Maximum 250C +0/-5C 20 - 40 seconds 6C/second Maximum 8 minutes Maximum Level 1 www.ecliptek.com | Specification Subject to Change Without Notice | Rev P 2/19/2010 | Page 3 of 4 EC-20-7.045M TR Recommended Solder Reflow Methods Critical Zone TL to T P Temperature (T) TP Ramp-up Ramp-down TL TS Max TS Min tL t S Preheat t 25C to Peak tP Time (t) Low Temperature Solder Bath (Wave Solder) TS MAX to TL (Ramp-up Rate) Preheat - Temperature Minimum (TS MIN) - Temperature Typical (TS TYP) - Temperature Maximum (TS MAX) - Time (tS MIN) Ramp-up Rate (TL to TP) Time Maintained Above: - Temperature (TL) - Time (tL) Peak Temperature (TP) Target Peak Temperature (TP Target) Time within 5C of actual peak (tp) Ramp-down Rate Time 25C to Peak Temperature (t) Moisture Sensitivity Level 5C/second Maximum N/A 150C N/A 30 - 60 Seconds 5C/second Maximum 150C 200 Seconds Maximum 245C Maximum 245C Maximum 1 Time / 235C Maximum 2 Times 5 seconds Maximum 1 Time / 15 seconds Maximum 2 Times 5C/second Maximum N/A Level 1 Low Temperature Manual Soldering 185C Maximum for 10 seconds Maximum, 2 times Maximum. High Temperature Manual Soldering 260C Maximum for 5 seconds Maximum, 2 times Maximum. www.ecliptek.com | Specification Subject to Change Without Notice | Rev P 2/19/2010 | Page 4 of 4