836.50 mhz saw filter phone: +86 (10) 5820 3910 fax: +86 (10) 5820 3915 email: sales@vanlong.com web: http://www. vanlong.com SF5905 revision no. 1 page 1 of 2 ? vanlong technology co., ltd. april 03, 2009 ? designed to amps, cdma, tdma selectivity in 836.50 mhz ? low-loss, high attenuation ? simple external impedance matching ? ultra miniature ceramic dcc6c smd package ? complies with directive 2002/95/ec (rohs compliant) absolute maximum rating (ta=25 c) parameter rating unit input power level p in 20 dbm dc voltage v dc between any two pins v dc 12 v operating temperature range t a -10 ~ +65 c storage temperature range t stg -40 ~ +85 c electronic characteristics parameter sym minimum typical maximum unit nominal frequency (at 25 c) (center frequency between 3db point) f c ns 836.50 ns mhz insertion loss 824.00 ? 849.00 mhz il - 2.7 3.5 db 3db passband bw 3 - 17.4 - mhz usable bandwidth bw - 12.5 - mhz amplitude ripple 824.00 ? 849.00 mhz ? - 0.85 1.5 db absolute attenuation dc ? 800.00 mhz 869.00 ? 925.00 mhz 925.00 ? 2000.0 mhz rel 40 28 40 50 32 45 - - - db db db frequency aging absolute value during the first year | f a | - - 10 ppm/yr dc insulation resistance between any two pins - 1.0 - - m input / output impendance (nominal) - - 50 - ns = not specified notes: 1. the frequency f c is defined as the midpoint between the 3db frequencies. 2. unless noted otherwise, all measurements are made with the filter installed in the specified test fixture that is connected to a 50 test system with vswr 1.2:1. the test fixture l and c are adjusted for minimum insertion loss at the filter center frequency, f c . note that insertion loss, bandwidth, and passband shape are dependent on the impedance matching component values and quality. 3. unless noted otherwise, specifications apply over the entire specified operating temperature range. 4. the specifications of this device are based on the test circuit shown above and subject to change or obsolescence without notice. 5. all equipment designs utilizing this product must be approved by the appropriate government agency prior to manufacture or sale. 6. our liability is only assumed for the surface acoustic wave (saw) component(s) per se, not for applications, processes and circuits implemented within components or assemblies. 7. for questions on technology, prices and delivery please contact our sales offices or e-mail sales@vanlong.com. SF5905
836.50 mhz saw filter phone: +86 (10) 5820 3910 fax: +86 (10) 5820 3915 email: sales@vanlong.com web: http://www. vanlong.com SF5905 revision no. 1 page 2 of 2 ? vanlong technology co., ltd. april 03, 2009 package dimensions (dcc6c) marking test circuit typical frequency response SF5905 yww 1. SF5905 - part code 2. date code: y : last digit of year ww : week no. electrical connections terminals connection 2 input 5 output 1,3,4,6 case ground package dimensions dimensions nom (mm) dimensions nom (mm) a 1.5 e 3.0 b 0.6 f 3.0 c 1.5 g 1.1 d 1.8 from 50 source to 5 0 load
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