SF2421D Hermetically sealed Surface Mount package Complies with Directive 2002/95/EC (RoHS) Pb 485 MHz Absolute Maximum Ratings SAW Filter Rating Value Units Maximum Input Power +10 dBm DC Voltage 3 VDC Operable Temperature Range -45 to +125 C Specification Temperature -40 to +85 C Storage Temperature -40 to +85 C SM3838-8 Case Electrical Characteristics Characteristic Sym Notes Minimum Typical Maximum Units f Nominal Operating Frequency 485 MHz C Insertion Loss 480 to 490 MHz 2.6 4.0 dB Amplitude Ripple 480 to 490 MHz .6 2.0 dB Attenuation (Reference level from 0dB) 385 to 445 MHz 47 63 dB 525 to 585 MHz 36 54 dB Impedance at Fc: Input Z = R // C 50 // 0pF IN IN IN Output Z = R // C OUT OUT OUT 50 // 0pF Footprint Size: 3.8 X 3.8 SM3838-8 Lid Symbolization (Y=Year, WW=week, S=shift) B36//YWWS Electrical Connections Connection Terminals Input 2 8 1 7 Output 6 50 Input Output 50 Ground All Others 2 6 4 3 5 Ground CAUTION: Electrostatic Sensitive Device. Observe precautions for handling. NOTES: 1. All specifications apply over the operating temperature range with filter soldered to the specified demonstration board unless noted otherwise. 2. Ultimate rejection is dependent on PCB layout. 3. Specifications subject to change without notice. 4. Electrostatic Sensitive Device. Observe precautions for handling. 5. US and international patents may apply. 6. Murata, stylized Murata logo, and Murata N.A., Inc. are registered trademarks of Murata Manufacturing Co., Ltd. Copyright Murata Manufacturing Co., Ltd. All rights reserved. April 2016 SF2421D 9/20/17 Page 1 of 5 www.murata.comFrequency Characteristics S21 Response: Center 485 MHz, 30 MHz span S21 Response: Center 485 MHz, 200 MHz span Copyright Murata Manufacturing Co., Ltd. All rights reserved. April 2016 SF2421D 9/20/17 Page 2 of 5 www.murata.com