?2010-2014 by murata electronics n.a., inc. SF2079D-1 (r) 4/4/14 page 1 of 5 www.murata.com rfm products are now murata products. electrical characteristics characteristic sym notes min typ max units center frequency f c 1 251.045 mhz insertion loss il 13.0 15.0 db amplitude ripple: 1, 2 db p-p (fc - 6.2500) to (fc - 4.3925) mhz 0.90 1.75 (fc - 4.3925) to (fc - 2.5350) mhz 0.60 1.50 (fc - 2.5350) to (fc - 0.0250) mhz 0.60 1.50 (fc + 0.0250) to (fc + 2.5350) mhz 0.80 1.50 (fc + 2.5350) to (fc + 4.3925) mhz 0.80 1.75 (fc + 4.3925) to (fc + 6.2500) mhz 0.60 1.75 1.5 db bandwidth centered at fc 13.5 mhz 3.0 db bandwidth centered at fc 14.2 low side attenuation < (fc - 16.5) mhz 32 db low side attenuation, 234.545 to 240.545 mhz (fc-10.5 mhz) 29 high side attenuation, 260.045 to 267.545 mhz (fc+9.0 mhz) 18 high side attenuation > (fc + 16.5) mhz 32 temperature coefficient of frequency -18 ppm/k group delay ripple: 1, 2, 3 ns p-p (fc - 6.2500) to (fc - 4.3925) mhz 84 150 (fc - 4.3925) to (fc - 2.5350) mhz 35 70 (fc - 2.5350) to (fc - 0.0250) mhz 22 120 (fc + 0.0250) to (fc + 2.5350) mhz 58 120 (fc + 2.5350) to (fc + 4.3925) mhz 37 70 (fc + 4.3925) to (fc + 6.2500) mhz 52 110 source/load impedance 150 ohms case style 6 sm3838-8 3.8 x 3.8 mm nominal footprint lid symbolization (yy=year, ww=week, s=shift) see note 4 827 ywws ? high performance saw filter ? 3.8 x 3.8 x 1 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 +10 dbm maximum dc voltage between any two terminals 30 vdc operating temperature range -40 to +85 c storage temperature range -60 to +95 c suitable for lead-free soldering - maximum soldering profile 260 c for 30 s 251.045 mhz saw filter SF2079D-1 pb notes: 1. unless noted otherwise, all specifications apply over the operating temperature range with filter soldered to the specified demonstration 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 dependent 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. us and international patents may apply. 7. murata, stylized murata logo, and murata n.a., inc. are registered trademarks of murata manufacturing co., ltd.. caution: electrostatic sensitive device . observe precautions for handling. sm3838-8 copyright ? murata manufacturing co., ltd. all rights reserved 2009
?2010-2014 by murata electronics n.a., inc. SF2079D-1 (r) 4/4/14 page 2 of 5 www.murata.com ch1 s11 1 u fs centr 2 51 . 0 45 mhz span 1 00 . 0 00 mhz cor ch2 s2 1 l og 1 0 db/ ref -11 .3 d b ce nte r 25 1 . 04 5 000 mhz span 10 0 . 00 0 00 0 mhz cor ch 3 s22 1 u fs centr 251 . 045 mhz span 100 . 000 mhz cor 12 mar 2009 13:39:17 1 1 : 5 3 . 156 -6 . 8516 92 . 5 29 p f 25 1 . 04 5 000 mhz 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch 2 marke rs bw : 13 . 62 33 42 mhz ce nt : 2 51 . 1 231 02 mh z q: 18 . 433 1_ l oss : -11 . 292 db 1 1: 45 . 309 14 . 566 9 . 2 347 nh 251 . 045 000 mhz sf2 079d-1 full resp ch1 s11 1 u fs centr 2 51 . 045 mhz span 1 00 . 000 mhz cor ch2 s21 log 10 db/ ref -11.3 db ce nte r 25 1 . 04 5 000 mhz span 20 0 . 00 0 00 0 mhz cor ch 3 s22 1 u fs centr 251 . 045 mh z span 100 . 000 mh z cor 12 mar 2009 13:43:59 1 1: 52 . 402 -7 . 2598 87 . 3 26 p f 25 1 . 04 5 000 mhz 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch 2 marke rs bw : 13 . 62 17 70 mhz ce nt : 2 51 . 1 110 87 mh z q: 18 . 435 1_ l oss : -11 . 319 db 1 1 : 45 . 1 72 14 . 139 8 . 9 635 nh 251 . 045 000 mhz SF2079D-1-demo xmor mer s cal' d o ut full resp copyright ? murata manufacturing co., ltd. all rights reserved 2009
?2010-2014 by murata electronics n.a., inc. SF2079D-1 (r) 4/4/14 page 3 of 5 www.murata.com ch2 s21 log 1 db/ ref -10.84 db c enter 25 1 . 04 5 00 0 mhz span 2 0 . 000 000 mh z c 12 mar 2009 13:47:06 3 4 4 : . 575 60 db 12 . 5 00 0 00 mhz ref =3 ch2 ma rkers m ean : -11 . 25 0 db s . de v : . 207 60 db p-p : . 9 119 0 db sf2 079d- 1-demo group delay resp pcb 401-1706-001 j1, j2 500-0248-002 2-hole flange mount sma connector tx1, tx2 500-0912-003 1:3 transformers sma l1, l2 501-1068-430 ind, chip, 43nh 0603 l3, l4 501-1068-390 ind, chip, 39nh 0603 c1 501-0621-150 cap, chip, 15pf 0603 c2 501-0621-160 cap, chip, 16pf 0603 copyright ? murata manufacturing co., ltd. all rights reserved 2009
?2010-2014 by murata electronics n.a., inc. SF2079D-1 (r) 4/4/14 page 4 of 5 www.murata.com case dimensions dimension mm inches min nom max min nom max a 3.6 3.8 4.0 0.142 0.150 0.157 b 3.6 3.8 4.0 0.142 0.150 0.157 c 0.90 1.00 1.1 0.035 0.040 0.043 d 0.80 0.90 1.0 0.031 0.035 0.040 e 0.90 1.00 1.10 0.035 0.040 0.043 f 0.50 0.60 0.70 0.020 0.024 0.028 g 2.39 2.54 2.69 0.090 0.100 0.110 h 1.40 1.75 2.05 0.055 0.069 0.080 electrical connections connection terminals port 1 differential input 1, 2 port 2 differential output 5, 6 ground all others dot indicates pin 1 8-terminal ceramic surface-mount case 3.8 x 3.8 mm nominal footprint sm3838-8 thin case top view bottom view 0.066 0.055 typ. (1.68) (1.40) 0 . 0 2 9 t y p . ( o . 7 4 ) 0 . 0 5 0 t y p . ( 1 . 2 7 ) 0 . 0 0 2 ( 0 . 0 5 ) 0 . 0 9 0 ( 2 . 2 9 ) 0 . 0 3 3 ( 0 . 8 4 ) pcb footprint a 1 2 3 b 7 6 5 4 c h 7 6 5 4 e f g 1 2 3 8 8 d 827 ywws copyright ? murata manufacturing co., ltd. all rights reserved 2009
?2010-2014 by murata electronics n.a., inc. SF2079D-1 (r) 4/4/14 page 5 of 5 www.murata.com tape and reel specifications ?b? nominal size quantity per reel inches millimeters 7 178 500 13 330 3000 component orientat ion and dimensions carrier tape dimensions ao 4.25 mm bo 4.25 mm ko 1.30 mm pitch 8.0 mm w 12.0 mm see detail "a" 1 3 . 0 2 0 . 2 2.0 12.0 1 0 0 r e f . " b " r e f . ro.3 (max.) ko section a-a 0.3 0.05 section b-b bo 2.0 4.0 ao pitch b b a r0.5 (max.) a 5 . 5 1 2 . 0 1 . 7 5 1.5 1.50 pin #1 user direction of feed copyright ? murata manufacturing co., ltd. all rights reserved 2009
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