RFM products are now Murata products. SF1183G RF Filter for Cellular Application 2.5 x 2.0 x 1.05 mm Surface-mount Case No Matching Circuit Required 881.5 MHz Complies with Directive 2002/95/EC (RoHS) Pb SAW Filter Absolute Maximum Ratings Rating Value Units Input Power Level 15 dB DC Voltage Applied to any Ungrounded Terminal 5 V Storage Temperature Range in Tape and Reel -40 to +85 C Maximum Soldering Profile Temperature 265 C for 10 s SM2520-4 Electrical Characteristics Characteristic Sym Notes Min Typ Max Units Center Frequency f 881.5 MHz C Insertion Loss, 869 to 894 MHz IL 2.1 2.8 dB Amplitude Ripple, p-p, 869 to 894 MHz 0.6 1.2 Return loss, 869 to 894 MHz 9.0 12.0 Attenuation, Reference to 0 dB: DC to 840 MHz 45 50 840 to 851 MHz 38 45 914 to 924 MHz 20 26 924 to 950 MHz 34 39 dB 950 to 997 MHz 35 48 997 to 2200 MHz 40 48 2200 to 3000 MHz 27 33 Tx Band Suppression 38 45 Source impedance Z 50 S Load impedance Z 50 L Operating Temperature T -25 +80 C A Single Ended Input / Output, Impedance match No matching network required for operation at 50 ohms Lid Symbolization (2K=SF1183G Y=year, W=week) 2K, YW Electrical Connections 50 1 2 Connection Terminals Input 1 BOTTOM VIEW Output 3 Ground All others 4 3 50 RF IC RF IC CAUTION: Electrostatic Sensitive Device. Observe precautions for handling. NOTES: 1. US and international patents may apply. 2. 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. SF1183G (R) 3/20/14 Page 1 of 5 www.murata.comF. Frequency Characteristics : Transfer function 2010-2014 by Murata Electronics N.A., Inc. SF1183G (R) 3/20/14 Page 2 of 5 www.murata.com