? preliminary rf monolithics, inc. phone: (972) 233-2903 fax: (972) 387-8148 e-mail: info@rfm.com page 1 of 5 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. SF2142G-071907 electrical characteristics characteristic sym notes min typ max units center frequency f c 867.5 mhz insertion loss 855 ~ 880 mhz il 2.6 3.5 db amplitude ripple (p-p) 855 ~ 880 mhz 0.9 1.7 vswr 855 ~ 880 mhz 1.5 2 attenuation (reference level from 0 db) 100 ~ 815 mhz 40 48 db 815 ~ 830 mhz 38 45 898 ~ 901 mhz 15 24 915 ~ 925 mhz 30 42 925 ~ 2330 mhz 28 38 2330 ~ 3000 mhz 20 31 source impedance z s 50 w load impedance z l 50 w operating temperature t a -30 +85 c single ended input / output, impedance match no matching network required for operation at 50 ohms lid symbolization (2j=SF2142G y=year, w=week) 2j, yw sm2520-4 ? 2.5 x 2.0 x 1.05 mm surface-mount case ? no matching circuit required ? complies with directive 2002/95/ec (rohs) absolute maximum ratings rating value units input power level 13 db dc voltage 3 v storage temperature -40 to +95 c max soldering profile 265c for 10 s 867.5 mhz saw filter SF2142G connection terminals input 1 output 3 ground all others electrical connections notes: 1. us and international patents may apply. 2. rfm, stylized rfm logo, and rf monolithics, inc. are registered trademarks of rf monolithics, inc. 3. ?copyright 1999, rf monolithics inc. 4. electrostatic sensitive device. observe precautions for handling. 50 rf ic 50 rf ic 1 2 3 4 bottom view pb
867.5 mhz saw filter rf monolithics, inc. phone: (972) 233-2903 fax: (972) 387-8148 e-mail: info@rfm.com page 2 of 5 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. SF2142G-071907 f. frequency characteristics : transfer fu nction
867.5 mhz saw filter rf monolithics, inc. phone: (972) 233-2903 fax: (972) 387-8148 e-mail: info@rfm.com page 3 of 5 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. SF2142G-071907 s11 vswr s22 vswr
867.5 mhz saw filter rf monolithics, inc. phone: (972) 233-2903 fax: (972) 387-8148 e-mail: info@rfm.com page 4 of 5 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. SF2142G-071907 connection terminals port 1 single ended input 1 port 2 single ended output 3 ground all others single ended operation only 4-terminal ceramic surface-mount case 2.5 x 2.0 mm nominal footprint electrical connections case dimensions top view bottom view e f g g b a c 1 4 3 2 3 2 4 1 dimension mm nom a 2.0 b 2.5 c 1.0 e 0.95 f 0.70 g 0.60 pcb foot print sm2520-4 case
867.5 mhz saw filter rf monolithics, inc. phone: (972) 233-2903 fax: (972) 387-8148 e-mail: info@rfm.com page 5 of 5 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. SF2142G-071907 reel dimension tape dimension
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