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    • 參數(shù)資料
      型號: 49SUB245
      廠商: PERICOM SEMICONDUCTOR CORP
      元件分類: 晶體
      英文描述: QUARTZ CRYSTAL RESONATOR, 24.576 MHz
      文件頁數(shù): 1/2頁
      文件大?。?/td> 73K
      代理商: 49SUB245
      49SMLB / SAB / SUB / SNC
      Miniature Quartz Crystal
      SaRonix
      Technical Data
      HC-49, Low Profile, SMD
      DS-153
      REV E
      Frequency Range:
      Temperature Range:
      Operating:
      Storage:
      -20 to +70°C (-40 to +85°C available)
      -55 to +125°C
      Frequency
      Stability Tolerance:
      ±50 ppm -20 to +70°C (0 to -100 ppm for BT)
      Characteristics at 25°C ±2°C:
      ±50 ppm (tighter available)
      16 pF to 32 pF or series resonance
      30 to 200
      (frequency dependent)
      25W correlation, 500W max
      7pF max
      Frequency Calibration
      Tolerance:
      Load Capacitance:
      Effective Series Resistance:
      Drive Level:
      Shunt Capacitance:
      Description
      The crystals are miniature AT or BT cut
      strip resonators housed in low profile
      packages for surface mounting. The parts
      present a proven metal package techno-
      logy with a precision molded base and
      universal contact configuration.
      ACTUAL SIZE
      Mechanical:
      MIL-STD-883, Method 2002, Condition B
      MIL-STD-883, Method 2003
      MIL-STD-202, Method 211, Conditions A and C
      MIL-STD-883, Method 2007, Condition A
      MIL-STD-202, Method 215
      MIL-STD-202, Method 210, Condition I or J
      Shock:
      Solderability:
      Terminal Strength:
      Vibration:
      Solvent Resistance:
      Resistance to Soldering Heat:
      Cooling
      Preheat 183 ±10°C
      4°C/sec max
      Reflow 240 max
      250
      4°C/sec max
      Temperature
      °C
      10 sec max
      1 – 2 minutes
      Time
      150
      200
      Applications & Features
      Low profile SMD
      AT or BT cut performance
      Resistance weld seal
      49SNC is interchangable with popular
      molded crystal configurations
      Available on tape & reel; 24mm tape,
      1000pcs per reel
      Solder Reflow Guide
      Lead Configurations
      49SUB
      49SNC
      49SAB
      49SMLB
      1
      4
      2
      3
      Environmental:
      Gross Leak Test:
      Fine Leak Test:
      Thermal Shock:
      Moisture Resistance:
      MIL-STD-883, Method 1014, Condition C
      MIL-STD-883, Method 1014, Condition A
      MIL-STD-883, Method 1011, Condition A
      MIL-STD-883, Method 1004
      Part Numbering Guide:
      49 SUB XXX
      XX (T)
      Package
      SMLB = 2 contact, 4mm height
      SAB = 4 contact, 5mm height
      SNC = 4 contact, 5mm height
      SUB = 6 contact, 5mm height
      Series
      CL (Load Capacitance)*
      B for BT cut, 26.8 to 50 MHz
      for AT cut
      Frequency Designator
      *If no CL value is specified, crystal is calibrated for series resonance.
      Example: 49SAB120 (Part marked: S120)
      If CL value is specified, crystal is calibrated for parallel resonance.
      Example: 49SUB073-20 (Part marked: S073-20)
      SaRonix
      141 Jefferson Drive Menlo Park, CA 94025 USA 650-470-7700 800-227-8974 Fax 650-462-9894
      3.2 MHz to 80 MHz
      3.2 to 29.999 MHz, AT Fundamental
      26.8 to 50.000 MHz, BT Fundamental
      30 .0 to 80.000 MHz, AT 3rd OT
      (T) = Tape & Reel
      full reel increments only
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