M49 CRYSTALS 49SMD Standard and Low Profile Low cost crystal for mass market applications Surface mount version of 49S crystal Comprehensive stock of standard frequencies Customized parts readily available Industry-standard package Low-profile version available DESCRIPTION OUTLINE & DIMENSIONS M49 crystals are low profile surface mount crystals having a similar footprint to standard HC49 or 49S crystals. M49 crystals are ideal for use in low cost, mass-market applications. ML49 is a lower profile version. SPECIFICATION Package Designation M49: 12.4 x 4.5 x 4.0mm ML49: 12.4 x 4.5 x 3.0mm Frequency Range 3.20MHz to 48.0MHz: AT-Cut Fundamental 27.0MHz to 70.0MHz: AT-Cut 3rd Overtone 24.0MHz to 48.0MHz: BT-Cut Fundamental Calibration Tolerance: 30ppm at 25C standard from 5ppm available Frequency Stability over Temp: See table Operating Temperature Range: See table Shunt Capacitance (C0): 4pf typical, 7pF maximum Load Capacitance (CL): Series or from 8pF to 32pF (Customer specified) Ageing: 3ppm/year maximum (Ta = 25C, drive 100mW) Drive Level: 100mW typical, 500mW maximum Reflow Soldering: 260C, 10s maximum Holder: Hermetic seal, resistance weld Packaging: EIA 24mm tape and reel 1000 pieces per reel RoHS Status: RoHS Compliant and Pb free PART NUMBER FORMAT M49 - 16.000 - 12 - 15/20/-20+70/100R Example: FREQUENCY STABILITY vs. OPERATING TEMPERATURE RANGE Package Temperature Stability ppm Stability (M49 or ML49) Range Code 10 15 20 25 30 X -10 to +60C Frequency in MHz Y -20 to +70C n I -40 to +85C Load Capacitance (Either SR for series or CL in pF) = available,n = contact Mercury Calibration tolerance at 25C (ppm) Temperature Stability EQUIVALENT SERIES RESISTANCE over temp. range (ppm) Frequency ESR Crystal Cut Operating Temp. Range (C) Range MHz Mode Max. (Lower and upper limits) Or use 3.2 ~ 3.4 AT-Fund 300 X for -10 to +60C Y for -20 to +70C 3.5 ~ 6.0 AT-Fund 120 I for -40 to +85C 6.1 ~ 10.0 AT-Fund 60 10.1 ~ 30.0 AT-Fund 40 Equivalent Series Resistance 24.0 ~ 48.0 BT-Fund 40 (Optional - use when special 27.0 ~ 30.0 AT-3rd OT 150 value is required) 30.1 ~ 50.0 AT-3rd OT 100 50.1 ~ 70.0 AT-3rd OT 80 MERCURY ELECTRONICS EUROPE Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 (0)1460 230010 Fax: +44 (0)1460 230011, info mecxtal-europe.com, www.mecxtal-europe.comX-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for mercury united manufacturer: Other Similar products are found below : 3H53ET-20.000 H49-24.576-18-30/50/-40+85 X32-25.000-12-30/30/-40+85 HUS-10.000-18-30/50/-40+85 HUS-4.194304-18-30/50/-40+85 H49-11.0592-18-30/50/-40+85 MJ-25.000-12-30/30/-40+85 H49-27.000-18-30/50/-40+85 HUS-12.000-18-30/50/-40+85 H49- 14.31818-18-30/50/-40+85 H49-16.384-18-30/50/-40+85 3H32ET-10.000 3H53ET-40.000 3H32ET-20.000 H49-7.3728-18-30/50/-40+85 3SWOET-10.000 HUS-14.31818-18-30/50/-40+85 H49-24.000-18-30/50/-40+85 H49-25.000-18-30/50/-40+85 M49-24.576-18-30/50/-40+85 X21-26.000-12-30/30/-40+85 H49-9.8304-18-30/50/-40+85 HUS-7.3728-18-30/50/-40+85 X21-20.000-12-30/30/-40+85 3H53ET-24.000 MP24G-12.000-18P-30/50/X/80R