www.rfm.com e-mail: info@rfm.com page 1 of 5 ? 2008-2012 by rf monolithics, inc. SF2055A - 5/10/12 electrical characteristics electrical connections characteristic sym notes min typ max units center frequency f o 240.05 mhz insertion loss at f o 5.0 db 3 db bandwidth 150 khz in-band ripple, f o 100 khz 0.5 db p-p amplitude variation, f o 1 00 khz 0.5 1 db relative group delay, f o 100 khz 0.5 s p-p attenuation: f o -600 khz 36 40 db f o +600 khz 36 46 f o -1.2 mhz 40 48 f o +1.2 mhz 38 46 f o -21.6 mhz 60 72 f o +21.6 mhz 60 68 10 to 215 mhz 20 67 265 mhz to 2 ghz 20 24 i/o impedance 50 ? absolute delay, f o 100 khz 1.85 0.6 s case style sm1154-14 11.5 x 4.0 mm nominal footprint lid symbolization (yy=year, ww=week, s=shift, ##=sequence code) dot=pin 1 indicator SF2055A, yywws## standard reel quantity reel size 7 inch 500 pieces/reel reel size 13 inch 2000 pieces/reel connection input output ground terminals 2 9 all others sm1154-14 ? low-loss saw filter ? 11.5 x 4.0 mm surface-mount case ? complies with directive 2002/95/ec (rohs) absolute maximum ratings rating value units input power level 10 dbm dc voltage 0 v operating temperature range 0 to +60 c storage temperature range -40 to +85 c 240.050 mhz saw filter SF2055A 1. unless noted otherwise, all specifications apply over the operating temperature range with filter soldered to the specified d emonstration board with impedance matching to 50 ? and measured with 50 ? network analyzer. 2. unless noted otherwise, all frequency specifications are referenced to the nominal center frequency, fc. 3. the design, manufacturing process, and specifications of this filter are subject to change. 4. us and international patents may apply. 5. rfm, stylized rfm logo, and rf monolithics, inc. are registered trademarks of rf monolithics, inc. pb caution: electrostatic sensitive device . observe precautions for handling. notes:
www.rfm.com e-mail: info@rfm.com page 2 of 5 ? 2008-2012 by rf monolithics, inc. SF2055A - 5/10/12 ch1 s11 1 u fs centr 240 . 050 mhz span 16 . 000 mhz cor prm ch2 s21 log 10 db/ ref -30 db center 240 . 050 000 mhz span 16 . 000 000 mhz cor prm ch3 s22 1 u fs centr 240 . 050 mhz span 16 . 000 mhz cor 31 oct 2006 11:24:48 1 1 : 36 . 385 -6 . 7734 97 . 883 pf 240 . 050 000 mhz 1 2 3 4 1 : 0 . 0000 db 0 . 000 000 mhz ref=1 ch2 markers bw : . 470834 mhz cent : 240 . 058572 mhz q: 509 . 86 1_ loss : -3 . 9442 db 1 1 : 41 . 229 -8 . 1543 81 . 308 pf 240 . 050 000 mhz SF2055A demo #1 full full
www.rfm.com e-mail: info@rfm.com page 3 of 5 ? 2008-2012 by rf monolithics, inc. SF2055A - 5/10/12 ch1 s21 del 200 ns/ ref 2.4 us ch1 center 240 . 050 000 mhz span . 400 000 mhz c smo prm ch2 s21 log 10 db/ ref -30 db ch2 center 240 . 050 000 mhz span 16 . 000 000 mhz cor prm 31 oct 2006 11:26:58 1 2 3 3 : 11 . 563 ns - . 200 000 mhz ref=2 ch1 markers mean : 1 . 9877 us s . dev : 29 . 515 ns p-p : 94 . 235 ns 1 2 3 3 : - . 38180 db - . 200 000 mhz ref=2 ch2 markers mean : -4 . 1055 db s . dev : . 17190 db p-p : . 61840 db SF2055A demo #1 full full
www.rfm.com e-mail: info@rfm.com page 4 of 5 ? 2008-2012 by rf monolithics, inc. SF2055A - 5/10/12 14-terminal ceramic surface-mount case 11.5 x 4.0 mm nominal footprint recommended pcb footprint sm1154-14 case 1 2 3 4 5 6 7 14 13 12 11 10 9 8 b a c d 14 13 12 11 10 9 8 h e f g 1 2 3 4 5 6 7 0 . 0 3 4 t y p . ( 0 . 8 6 ) 0 . 0 5 0 ( 1 . 2 7 ) t y p . 0.067 typ. (1.70) 0.190 (4.84) 0 . 3 3 4 r e f . ( 8 . 4 8 ) case dimensions dimension mm inches min nom max min nom max a 11.4 11.5 11.6 .442 0.450 0.458 b 3.8 4.0 4.2 .150 0.157 .166 c 1.4 1.6 1.8 .057 0.063 .069 d 0.041 0.047 0.053 e 0.76 0.030 f 1.27 0.050 g 1.27 0.050 h 0.1 0.004 electrical connections connection terminals input 2 output 9 ground all others materials solder pad plating 0.3 to 1.0 m gold over 1.27 to 8.89 m nickel lid plating 2.0 to 3.0 m nickel body al 2 o 3 ceramic pb free rfm SF2055A yywws##
www.rfm.com e-mail: info@rfm.com page 5 of 5 ? 2008-2012 by rf monolithics, inc. SF2055A - 5/10/12 tape and reel specifications ?b? nominal size quantity per reel inches millimeters 7 178 500 13 330 2000 tape and reel standard per ansi / eia 481 user direction of feed component orientation and dimensions carrier tape dimensions ao 4.55 mm bo 12.04 mm ko 2.13 mm pitch 8.00 mm w 24.00 mm pin #1 see detail "a" 1 3 . 0 2 0 . 2 2.0 12.0 1 0 0 r e f . " b " r e f . 25 mm
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