www.rfm.com e-mail: info@rfm.com page 1 of 4 ?2010 by rf monolithics, inc. SF2222C - 6/15/10 electrical specifications characteristic sym notes min typ max units center frequency f c 228.0 mhz insertion loss, 224.9 to 231.1 mhz 3.0 db amplitude ripple, 224.9 to 231.1 mhz 1.2 db p-p rejection: 1.0 to 150.0 mhz 50 db 150.0 to 195.0 mhz 40 195.0 to 210.0 mhz 30 250.0 to 275.0 mhz 35 275.0 to 320.0 mhz 35 320.0 to 1000.0 mhz tbd 1000.0 to 3000.0 mhz tbd source impedance, single-ended 50 ? load impedance, single-ended 50 ? operating temperature range t a -40 +85 c sm5050-8 ? low insertion loss ? excellent size-to-performance ratio ? hermetic sm5050-8 surface-mount case ? single-ended input and output ? complies with directive 2002/95/ec (rohs) absolute maximum ratings rating value units maximum power handling 1 w maximum dc voltage on any non-ground terminal 3 vdc storage temperature range in tape and reel -40 to +85 c suitable for lead-free soldering - maximum soldering profile 260c for 30 s 228.0 mhz saw filter SF2222C 1. unless noted otherwise, all specifications apply over the operating tem perature range with filter so ldered to the specified d emonstration board with impedance matching to 50 ? and measured with 50 ?? network analyzer. 2. unless noted otherwise, all frequency specifications ar e 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 depe ndent on pcb layout and external impedance matching design. see application note no. 42 for details. 4. the turnover temperature, t o , is the temperature of maximum (or turnover) frequency, f o . the nominal frequency at any case temperature, t c , may be calculated from: f=f o [1-ftc(t o -t c ) 2 ]. 5. the design, manufacturing process, and specific ations of this filter are subject to change. 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. case style sm5050-8, 5 x 5 mm nominal footprint lid symbolization (yy = year, ww = week) 958, yyww pb caution: electrostatic sensitive device. observe precautions for handling. notes: preliminary
www.rfm.com e-mail: info@rfm.com page 2 of 4 ?2010 by rf monolithics, inc. SF2222C - 6/15/10 frequency respose plot terminal connections connection terminals port 1 input 2 port 2 output 6 ground all others operation single-ended dot indicates pin 1
www.rfm.com e-mail: info@rfm.com page 3 of 4 ?2010 by rf monolithics, inc. SF2222C - 6/15/10 case material dimension mm inches min nom max min nom max a 4.80 5.00 5.20 0.189 0.197 0.205 b 4.80 5.00 5.20 0.189 0.197 0.205 c 1.30 1.50 1.70 0.050 0.060 0.067 d 1.98 2.08 2.18 0.078 0.082 0.086 e 1.07 1.17 1.27 0.042 0.046 0.050 f 0.50 0.64 0.70 0.020 0.025 0.028 g 2.39 2.54 2.69 0.094 0.100 0.106 h 1.27 0.050 i 0.76 0.030 j 1.55 0.061 k 2.79 0.110 l 0.76 0.030 m 2.36 0.093 n 1.55 0.061 o 2.79 0.110 p 2.79 0.110 q 2.79 0.110 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 8-terminal ceramic surface-mount case 5.0 x 5.0 mm nominal footprint sm5050-8 case case dimensions top view bottom view pcb footprint
a 1 2 3 b 7 6 5 4 c d 7 6 5 4 e f g 1 2 3 8 8
www.rfm.com e-mail: info@rfm.com page 4 of 4 ?2010 by rf monolithics, inc. SF2222C - 6/15/10 see detail "a" 1 3 . 0 2 0 . 2 2.0 12.0 1 0 0 r e f . " b " r e f . detail ?a? tape and reel specifications ?b? nominal size quantity per reel inches millimeters 7 178 500 13 330 3000 user direction of feed component orientation and dimensions carrier tape dimensions ao 5.3 mm bo 5.3 mm ko 2.0 mm pitch 8.0 mm w12.0 mm pin #1
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