www.rfm.com e-mail: info@rfm.com page 1 of 6 ?2008-2010 by rf monolithics, inc. SF2141B - 9/9/10 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. rejection is measured as attenuation below the minimum il point in the passband. rejection in final user application is depen dent on pcb layout and external impedance matching design. see application note no. 42 for details. 4. the design, manufacturing process, and specifications of this filter are subject to change. 5. tape and reel standard per ansi / eia 481. 6. either port 1 or port 2 may be used for either input or output in the design. however, impedances and impedance matching may vary between port 1 and port 2, so that the filter must always be installed in one direction per the circuit design. 7. us and international patents may apply. 8. rfm, stylized rfm logo, and rf monolithics, inc. are registered trademarks of rf monolithics, inc. electrical characteristics characteristic sym notes min typ max units center frequency f c 1 210.38 mhz insertion loss at f c il 8.2 11 db amplitude ripple, f c 0.30 mhz ar 1 0.4 1.3 db p-p group delay 716 ns group delay ripple, f c 0.30 mhz 150 ns p-p phase linearity, f c 0.63 mhz rms 2.60 3.75 deg 5 db bandwidth 0.63 0.82 mhz 34 db bandwidth 1.18 1.25 36 db bandwidth 1.20 1.55 attenuation referenced to il: f c 1.25 mhz 35 48 db 140 to 206 mhz 38 45 214.76 to 280.00 mhz 38 48 operating temperature range t a 1-25 +85c case style 5 smp-03 7 x 5 mm nominal footprint lid symbolization (yy=year, ww=week, s=shift) see note 4 rfm SF2141B yywws## smp-03 ? simple matching to 50 ohms 5.0 x 7.0 mm surface-mount case complies with directive 2002/95/ec (rohs) absolute maximum ratings rating value units input power level +10 dbm dc voltage on any non-ground terminal 3 v storage temperature range in tape and reel -40 to +85 c maximum soldering temperature 265 c for 10 s 210.38 mhz saw filter SF2141B pb caution: electrostatic sensitive device. observe precautions for handling. notes:
www.rfm.com e-mail: info@rfm.com page 2 of 6 ?2008-2010 by rf monolithics, inc. SF2141B - 9/9/10 single-ended 50 ohm input / output test circuit single-ended 50 ohm input / 500 ohm balanced output test circuit 1 10 5 6 1 10 5 6
www.rfm.com e-mail: info@rfm.com page 3 of 6 ?2008-2010 by rf monolithics, inc. SF2141B - 9/9/10 filter broadband amplitude response filter passband amplitude response
www.rfm.com e-mail: info@rfm.com page 4 of 6 ?2008-2010 by rf monolithics, inc. SF2141B - 9/9/10 filter passband group delay
www.rfm.com e-mail: info@rfm.com page 5 of 6 ?2008-2010 by rf monolithics, inc. SF2141B - 9/9/10 recommended pcb footprint case dimensions dimension mm inches min nom max min nom max a 6.80 7.00 7.20 0.268 0.276 0.283 b 4.80 5.00 5.20 0.189 0.197 0.205 c 1.65 2.00 0.065 0.079 d .47 0.60 .73 0.019 0.024 0.029 e 2.41 2.54 2.67 0.095 0.100 0.105 h 0.87 1.0 1.13 0.034 0.039 0.044 j 4.87 5.00 5.13 0.192 0.197 0.202 k 2.87 3.00 3.13 0.113 0.118 0.123 p 1.14 1.27 1.40 0.045 0.050 0.055 electrical connections connection terminals input 1 input ground 10 output 6 output ground 5 ground all others case 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 a b c h e p d h j k 10-terminal ceramic surface-mount case 7 x 5 mm nominal footprint smp-03 case
www.rfm.com e-mail: info@rfm.com page 6 of 6 ?2008-2010 by rf monolithics, inc. SF2141B - 9/9/10 tape and reel specifications ?b? quantity per reel inches millimeters 7 178 500 13 330 2000 user direction of feed component orientation and dimensions carrier tape dimensions ao 5.5 mm bo 7.5 mm ko 2.0 mm pitch 8.0 mm w 16.0 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 . 16.0
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