? rf monolithics, inc. phone: (972) 233-2903 fax: (972) 387-8148 e-mail: info@rfm.com page 1 of 3 rfm europe phone: 44 1963 251383 fax: 44 1963 251510 http://www.rfm.com ?1999 by rf monolithics, inc. the stylized rfm logo are registered trademarks of rf monolithics, inc. SF1145B-121604 notes: 1. unless noted otherwise, all specifications apply over the operating temperature range with filter soldered to the specified demo nstration board with impedance matching to 50 w and measured with 50 w 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 depende nt on pcb layout and external impedance matching design. see application note no. 42 for details. 4. "lrip" or "l" after the part number indicates "low rate initial production" and "eng" or "e" indicates "engineering prototypes." 5. the design, manufacturing process, and specifications of this filter are subject to change. 6. tape and reel standard ansi / eia 481. 7. either port 1 or port 2 may be used for either input or output in the design. however, impedances and impedance matching may va ry between port 1 and port 2, so that the filter must always be installed in one direction per the circuit design. 8. us and international patents may apply. 9. rfm, stylized rfm logo, and rf monolithics, inc. are registered trademarks of rf monolithics, inc. 10. ?copyright 1999, rf monolithics inc. 11. electrostatic sensitive device. observe precautions for handling. electrical characteristics characteristic sym notes min typ max units nominal center frequency f c 1 427.250 mhz passband insertion loss at fc il 3.5 db 1.5 db passband bw 1 1, 2 15 khz 4.0 db passband 30 mhz group delay variation over fc 250 khz gdv 177 250 ns p-p rejection (referenced to fc=427.250 mhz) fc1.5 mhz 1, 2, 3 5 db fc6.0 mhz 20 fc50 mhz 50 operating temperature range t a 1 -40 +85 c differential input and output impedance after matching 50 ohms case style 6 smp-03 7 x 5 mm nominal footprint lid symbolization (yy=year, ww=week, s=shift) see note 4 rfm SF1145B yywws smp-03 ? low insertion loss ? 5.0 x 7.0 mm surface-mount case ? complies with directive 2002/95/ec (rohs) absolute maximum ratings rating value units maximum incident power in passband +10 dbm max. dc voltage between any 2 terminals 30 vdc storage temperature range -40 to +85 c suitable for lead-free soldering - max soldering profile 260c for 30 s 427.250 mhz saw filter SF1145B connection terminals port 1 hot 10 port 1 ground return 1 port 2 hot 5 port 2 ground return 6 case ground all others electrical connections pb
427.250 mhz saw filter rf monolithics, inc. phone: (972) 233-2903 fax: (972) 387-8148 e-mail: info@rfm.com page 2 of 3 rfm europe phone: 44 1963 251383 fax: 44 1963 251510 http://www.rfm.com ?1999 by rf monolithics, inc. the stylized rfm logo are registered trademarks of rf monolithics, inc. SF1145B-121604 tape and reel specifications ?b ? nominal size 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" 13.0 20.2 2.0 12.0 100 ref. "b" ref. 16.0
427.250 mhz saw filter rf monolithics, inc. phone: (972) 233-2903 fax: (972) 387-8148 e-mail: info@rfm.com page 3 of 3 rfm europe phone: 44 1963 251383 fax: 44 1963 251510 http://www.rfm.com ?1999 by rf monolithics, inc. the stylized rfm logo are registered trademarks of rf monolithics, inc. SF1145B-121604 10-terminal ceramic surface-mount case 7 x 5 mm nominal footprint recommended pcb footprint smp-03 case 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 0.60 0.024 e 2.54 0.100 h 1.0 0.039 j 5.00 0.197 k 3.00 0.118 p 1.27 0.050 electricalconnections connection terminals port 1 input or return 10 return or input 1 port 2 output or return 5 return or output 6 ground all others single ended operation return is ground differential operation return is hot materials solder pad termination au plating 30 - 60 uinches (76.2-152 um) over 80- 200 uinches (203-508 um) ni. lid fe-ni-co alloy electroless nickel plate (8-11% phosphorus) 100-200 uinches thick body al 2 o 3 ceramic pb free
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