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| FREQUENCY QEFS21M4B15 SMD Monolithic Crystal Filter - 21.400 MHz Specification (Rev-B) Electrical Characteristics ......................................................P01 Environmental Specifications ................................................P01 Mechanical Characteristics ...................................................P01 Test Circuit ...............................................................P02 Marking ............................................................... P02 Reflow Soldering Profile........................................................P02 Reel ......................................................................................P03 Frequency QEFS21M4B15 SMD Monolithic Crystal Filter - 21.400 MHz Specification (rev-A) November 5th , 2005 Electrical Characteristics Electrical Parameters Nominal Frequency Insertion Loss Pass Band at 3.0dB Ripple in pass band Stop Band attenuation at 35 dB Number of Poles Guaranteed attenuation At fo -910 KHz 10 KHz Spurious Response Terminating Impedance dB dB K//pF 80 40 1500 // 0.5 Unit MHz dB KHz dB KHz 4 (2XSMD Package) 1 25 Minimum Typical 21.400 2.5 Maximum Test conditions Environmental Specifications Electrical Parameters Operating Temperature Unit C Minimum -20 Typical Maximum +70 Case Qty 2 Mechanical Characteristics Suggested Pads 1 TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost. Frequency QEFS21M4B15 SMD Monolithic Crystal Filter - 21.400 MHz Specification (rev-A) November 5th , 2005 Test Circuit 4 Poles Mono Indication of pairing (dot mark) Including stray capacitance Marking IN 21M4B15 TA0527H OUT 21M4B15: Temex P/N TA: Temex name 0450: Date code (YYWW) H: Manufacturing Code Reflow Soldering Profile Reflow soldering: two times max 2 TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost. Frequency QEFS21M4B15 SMD Monolithic Crystal Filter - 21.400 MHz Specification (rev-A) November 5th , 2005 Tape & Reel A B D E F P0 P1 P2 T T1 W 1 : Carrier Tape 2 : Cover Tape User Direction of Feed Size (mm) 5.4 7.9 O 1.5 1.75 7.5 4.0 8.0 2.0 0.4 1.7 16.0 A B C D E W W1 Size (mm) O 178 O 80 O 21 O 13 2.0 17.5 20 Multiple : 1Kpcs/reel 3: Guide Frame 4: Center Core 3 TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost. |
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