RFM products are now Murata products. SF1174D Designed for 802.11 Applications Hermetically sealed Surface Mount package Pb Complies with Directive 2002/95/EC (RoHS) 374.00 MHz SAW Filter Absolute Maximum Ratings Rating Value Units Maximum Input Power +10 dBm DC Voltage Between Terminals 30 VDC Case Temperature -40 to +85 C Suitable for lead-free soldering - Max Soldering Profile 260C for 30 s SM3838-8 Case Electrical Characteristics Characteristic Sym Notes Minimum Typical Maximu Units f Nominal Operating Frequency 374 MHz C Passband Insertion Loss IL 8.6 10 dB 3.0 dB Bandwidth 17 23.3 MHz Amplitude Ripple Fc 7 MHz .6 1.0 dB Group Delay Deviation Fc 7 MHz 45 100 nsec Rejection Fc-100 to -33 MHz 40 47 dB Fc-33 to -22 MHz 40 48 dB Fc-22 to -16.5 MHz 27 40 dB Fc+16.5 to +22 MHz 28 44 dB Fc+22 to +43 MHz 35 44 dB Fc+43 to +80 MHz 40 45 dB Ambient Temperature Operating Range -20 70 C Footprint Size: 3.8 X 3.8 SM3838-8 Lid Symbolization (Y=Year, WW=week, S=shift) 479 // YWWS Electrical Connections Connection Terminals Differential Input 2, 3 Differential Output 6, 7 Ground All Others 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. 2010-2014 by Murata Electronics N.A., Inc. SF1174D (R) 3/19/14 Page 1 of 5 www.murata.comSF1174D-Demo Reference Plot 1dB per transformer insertion loss is not calibrated out 19 Mar 2003 14:02:19 CH2 S log MAG 10 dB/ REF -30 dB 1 : 0 dB 21 0.000 000 MHz REF=1 BW: 21.228 949 MHz cent: 374.230193 MHzcent: 374.230193 MHz Q: 17.628 1 1 loss: -10.787 dB 2 3 4 PRm Cor Hld START 299.000 000 MHz STOP 449.000 000 MHz 2010-2014 by Murata Electronics N.A., Inc. www.murata.com SF1174D (R) 3/19/14 Page 2 of 5