www.rfm.com e-mail: info@rfm.com page 1 of 4 ?2009-2010 by rf monolithics, inc. SF2081E - 7/21/10 electrical characteristics characteristic sym notes min typ max units center frequency f c 1220 mhz insertion loss, 1195 to 1245 mhz il 3.0 4.0 db 3 db bandwidth bw 3 50 56 mhz amplitude ripple, 1200 to 1240 mhz, -30 to +45 c 2.0 2.2 db attenuation referenced to minimum insertion loss: f < f c - 48 mhz f > f c + 48 mhz 35 44 db 30 40 group delay ripple 35 100 ns p-p case style sm3030-8 3.0 x 3.0 mm nominal footprint lid symbolization (y=year, ww=week, s=shift) dot=pin 1 indicator 840, ywws standard reel quantity reel size 7 inch 500 pieces/reel reel size 13 inch 3000 pieces/reel sm3030-8 ? saw filter for cable system complies with directive 2002/95/ec (rohs) characteristics: balanced-to-balanced operation terminating source/load impedance : z s = 200 ? maximum rating rating value units input power level 0 dbm dc voltage on any non-ground terminal 3 v operating temperature range -30 to +85 c storage temperature range in tape and reel -40 to +85 c suitable for lead-free soldering - maximum soldering profile 260c for 30 s 1220 mhz saw filter SF2081E pb preliminary caution: electrostatic sensitive device. observe precautions for handling. 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. electrostatic sensitive device. observe precautions for handling. connection terminals port 1 balanced input 1,2 port 2 balanced output 5,6 ground all others dot indicates pin 1
www.rfm.com e-mail: info@rfm.com page 2 of 4 ?2009-2010 by rf monolithics, inc. SF2081E - 7/21/10
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www.rfm.com e-mail: info@rfm.com page 3 of 4 ?2009-2010 by rf monolithics, inc. SF2081E - 7/21/10 $ $ $ % % & ' ( ( ! ! 8-terminal ceramic surface-mount case 3.0 x 3.0 mm nominal footprint top view bottom view pcb footprint top view 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 dimension mm inches min nom max min nom max a 2.87 3.0 3.13 0.113 0.118 0.123 b 2.87 3.0 3.13 0.113 0.118 0.123 c 1.14 1.27 1.40 0.045 0.050 0.055 d 0.79 0.92 1.05 0.031 0.036 0.041 e 0.62 0.75 0.88 0.024 0.029 0.034 f 0.47 0.60 0.73 0.018 0.024 0.029 g 0.47 0.60 0.73 0.018 0.024 0.029 h 1.07 1.20 1.33 0.042 0.047 0.052 i 3.19 0.126 j 0.81 0.032 k 0.96 0.038 l 0.81 0.032 m 1.39 0.055 n 0.23 0.009 o 0.38 0.015 case and pcb footprint dimensions a 1 2 3 b 7 6 5 4 c h 4 e f g 8 d 8 7 6 5 1 2 3 840 ywws
www.rfm.com e-mail: info@rfm.com page 4 of 4 ?2009-2010 by rf monolithics, inc. SF2081E - 7/21/10 tape and reel specifications ?b? quantity per reel inches millimeters 7 178 500 13 330 3000 see detail "a" 1 3 . 0 2 0 . 2 2.0 12.0 1 0 0 r e f . " b " r e f . component orientation and dimensions carrier tape dimensions ao 3.35 mm bo 3.35 mm ko 1.4 mm pitch 8.0 mm w12.0 mm ro.3 (max.) ko section a-a 0.3 0.05 section b-b bo 2.0 4.0 ao pitch bb a r0.5 (max.) a 5 . 5 1 2 . 0 1 . 7 5 1.5 1.50 pin #1 user direction of feed
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