RFM products are now Murata products. SF2321D Low-loss SAW Filter No Matching Required for 50 ohm Source/Load 3.8 x 3.8 x 1.4 mm Surface-mount Package 1090 MHz Pb Complies with Directive 2002/95/EC (RoHS) SAW Filter Absolute Maximum Ratings Rating Value Units Maximum Incident Power in Passband +20 dBm Maximum DC Voltage on any Non-ground Terminals 3 VDC C Operating Temperature Range -40 to +85 Storage Temperature Range in Tape and Reel -55 to +85 C Suitable for Lead-free Soldering - Maximum Soldering Profile 260C for 30 s SM3838-6 Electrical Characteristics Characteristic Sym Notes Min Typ Max Units f Center Frequency 1090 MHz C 1 Insertion Loss, 1075 to 1105 MHz IL 2.4 3.0 dB dB Amplitude Ripple, 1085 to 1095 MHz 0.1 1.0 P-P VSWR, 1075 to 1105 MHz 1.8:1 2.1:1 Rejection Referenced to 0 dB: DC to 970 MHz 1, 2, 3 25 30 dB 1150 to 1300 MHz 25 33.5 Single-ended Source Impedance 50 ohm Single-ended Load Impedance 50 ohm Case Style SM3838-6 3.8 x 3.8 mm Nominal Footprint Lid Symbolization (Y=year, WW=week, S=shift) dot=pin 1 indicator A81, YWWS Standard Reel Quantity Reel Size 7 Inch 500 Pieces/Reel Reel Size 13 Inch 3000 Pieces/Reel Electrical Connections Connection Terminals Port 1 2 Port 2 5 Case Ground All others CAUTION: Electrostatic Sensitive Device. Observe precautions for handling. NOTES: 1. Unless noted otherwise, all specifications apply over the operating tem- andEN or indicatesengineering prototypes perature range with filter soldered to the specified demonstration board 5. The design, manufacturing process, and specifications of this filter are with impedance matching to 50 and measured with 50 network ana- subject to change. lyzer. 6. Either Port 1 or Port 2 may be used for either input or output in the design. 2. Unless noted otherwise, all frequency specifications are referenced to the However, impedances and impedance matching may vary between Port 1 nominal center frequency, fc. and Port 2, so that the filter must always be installed in one direction per 3. Rejection is measured as attenuation below the minimum IL point in the the circuit design. passband. Rejection in final user application is dependent on PCB layout 7. US and international patents may apply. and external impedance matching design. See Application Note No. 42 8. Murata, stylized Murata logo, and Murata N.A., Inc. are registered for details. trademarks of Murata Manufacturing Co., Ltd. 4.LRI or after the part number indicateslow rate initial productio 2010-2015 by Murata Electronics N.A., Inc. SF2321D (R) 3/11/15 Page 1 of 6 www.murata.comFrequency Characteristics 2010-2015 by Murata Electronics N.A., Inc. www.murata.com SF2321D (R) 3/11/15 Page 2 of 6