www.rfm.com e-mail: info@rfm.com page 1 of 3 ?2008 - 2010 by rf monolithics, inc. SF2042C - 6/14/10 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. 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. 3. the design, manufacturing process, and specifications of this filter are subject to change. 4. tape and reel standard ansi / eia 481. 5. 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. 6. us and international patents may apply. 7. rfm, stylized rfm logo, and rf monolithics, inc. are registered trademarks of rf monolithics, inc. 8. the center of the bandwidths will move with ambient temperature. electrical characteristics characteristic sym notes min typ max units nominal center frequency cf 1, 10 456.00 mhz insertion loss @ 25c 12 14 db differential impedance line-to-line 200 ohms 1 db bandwidth bw 1 10 6.4 8 mhz 3 db bandwidth bw 3 10 7.5 9 group delay variation, cf 6.4 mhz 20 150 ns p-p return loss 815 db rejection referenced to 0 db: db dc to 256 mhz 40 55 256 to 360 mhz 40 60 360 to 416 mhz 40 50 416 to 443 mhz 32 40 470 to 656 mhz 35 40 656 to 946 mhz 35 60 equivalent input circuit 250 ohm ||4.8 pf equivalent output circuit 220 ohm ||5.2 pf frequency temperature coefficient 10 -15 khz/c operating temperature range -40 85 c storage temperature range in tape and reel -40 85 case style sm5050-8 5 x 5 mm nominal footprint lid symbolization (yy=year, ww=week, s=shift) rfm 557 yywws sm5050-8 ? designed for 802.16 and wimax receiver if application low insertion loss 5.0 x 5.0 mm surface-mount case differential input and output complies with directive 2002/95/ec (rohs) absolute maximum ratings rating value units maximum incident power in passband +13 dbm maximum dc voltage on any non-ground terminal 30 vdc storage temperature range -40 to +85 c suitable for lead-free soldering - maximum soldering profile 260c for 30 s 456.00 mhz saw filter SF2042C pb caution: electrostatic sensitive device. observe precautions for handling. notes:
www.rfm.com e-mail: info@rfm.com page 2 of 3 ?2008 - 2010 by rf monolithics, inc. SF2042C - 6/14/10 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 8-terminal ceramic surface-mount case 5.0 x 5.0 mm nominal footprint sm5050-8 case case dimensions case materials 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 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 top view bottom view
www.rfm.com e-mail: info@rfm.com page 3 of 3 ?2008 - 2010 by rf monolithics, inc. SF2042C - 6/14/10 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 see detail "a" 1 3 . 0 2 0 . 2 2.0 12.0 1 0 0 r e f . " b " r e f .
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