FREQUENCY QEHC49-GW HC49 Gull Wing Crystal – SMD packaged Specification (Rev-A) Electrical Characteristics ......................................................P01 ESR vs. frequency range and Mode of vibration ..................P01 Mechanical Characteristics ...................................................P01 Ordering Information .............................................................P02 Suggested Reflow Soldering profile ......................................P02 Frequency QEHC49-GW HC49 Gull-Wing Crystal – SMD packaged June 27th, 2006 Specification (rev-A) Electrical Characteristics Electrical Parameters Unit Frequency range MHz Minimum Typical Maximum 1.8432 Test conditions 125 Frequency Tolerance (at 25°C) ± ppm 10 30 50 Refer to Ordering Information ± ppm 10 30 50 Refer to Ordering Information -20/+70 -40/+85 Refer to Ordering Information Temperature Stability Operating Temperature Range °C Storage temperature range °C Shunt capacitance C0 pF Load capacitance pF 10pF ~ 32pF or series Drive level µW 100 Aging (First Year) Insulator resistance -40 +85 7.0 ± ppm MΩ Refer to Ordering Information 500 5 Ref at 25°C 500 At 100VDC Customized specification upon request ESR vs. frequency range and Mode of vibration Frequency range (MHz) Mode of vibration Max ESR (Ω) Frequency range (MHz) Mode of vibration Max ESR (Ω) 1.8432 to 1.999 2.000 to 2.999 3.000 to 3.499 3.500 to 3.999 4.000 to 4.999 5.000 to 5.999 Fund. Fund. Fund. Fund. Fund. Fund. 650 500 250 150 100 80 6.000 to 7.9999 8.000 to 12.999 13.00 to 35.000 24.00 to 29.999 30.00 to 79.999 80.000 to 125.000 Fund. Fund. Fund. 3rd 3rd 5th 50 35 25 60 40 90 Mechanical Characteristics Line 1 Line 2 Line 3 Marking for QEHC49-GW VRSxxx (Temex code) Frequency in MHz (6 digits) YYWW – production code 5.5 max Mechanical conditions Vibration 10g, 10Hz to 2KHz according to standard CEI 68-2-63 Shocks 100g, 6ms according to standard CEI 68-2-27 Ø 0.43 ± 0.05 5.0 max 1 Note 1 : QEHC49-GW is fully RoHS compliant. TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost. Frequency QEHC49-GW HC49 Gull-Wing Crystal – SMD packaged June 27th, 2006 Specification (rev-A) Ordering Information Part numbering system HQ QEHC49-GW 1 30 Package type Vibration mode Frequency tolerance SMD Package QEHC49-GW : HC49U Gull Wing 1 = Fundamental rd 3 = 3 Overtone 5 = 5th Overone 10=±10ppm 30=±30ppm 50=±30ppm 50 16 25.000MHZ Operating temperature range Frequency stability Load Capacitance Nominal Frequency (MHz) D=-40°C F= -30°C H=-20°C J=-10°C L=0°C M=+50°C N=+55°C O=+60°C Q=+70°C T=+85°C 10=±10ppm 30=±20ppm 50=±30ppm 10=10pF Please enter the nominal frequency Please, enter the value of load capacitance Suggested Reflow Soldering Profile 2 TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.