345.00 mhz saw filter phone: +86 10 6301 4184 fax: +86 10 6301 9167 email: sales@vanlong.com web: http://www.va nlong.com ? april 2004 by vanlong technology co., ltd. SF5402 ? designed to provide front-end selectivity in 345.00 mhz ? low-loss, coupled-resonator quartz design ? simple external impedance matching ? ultra miniature ceramic qcc8c smd package absolute maximum rating (ta=25 c) parameter rating unit source power p s 0 dbm dc voltage v dc between any two pins v dc 0 v operating temperature range t a -10 ~ +60 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 345.00 ns mhz insertion loss 344.60 ? 345.60 mhz il - 2.5 4.0 db amplitude ripple (p-p) 344.60 ? 345.60 mhz ? - 0.5 1.5 mhz relative attenuation (relative to il ) 10.00 ? 320.00 mhz 320.00 ? 325.00 mhz 325.00 ? 337.00 mhz 337.00 ? 339.00 mhz 351.00 ? 358.00 mhz 358.00 ? 370.00 mhz 370.00 ? 700.00 mhz 700.00 ? 1000.00 mhz rel 48 41 32 26 13 35 47 40 53 47 39 31 16 39 52 45 - - - - - - - - db db db db db db 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 impedance - - 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. frequency aging is the change in f c with time and is specified at +65 c or less. aging may exceed the specification for prolonged temperatures above +65 c. typically, aging is greatest the first year after manufacture, decreasing in subsequent years. 5. turnover temperature, t 0 , is the temperature of maximum (or turnover) frequency, f 0 . the nominal frequency at any case temperature, t c , may be calculated from: f = f 0 [1 - ftc ( t 0 - t c ) 2 ]. 6. the specifications of this device are based on the test circuit shown above and subject to change or obsolescence without notice. 7. all equipment designs utilizing this product must be approved by the appropriate government agency prior to manufacture or sale. 8. 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. 9. for questions on technology, prices and delivery please contact our sales offices or e-mail sales@vanlong.com. SF5402
345.00 mhz saw filter phone: +86 10 6301 4184 fax: +86 10 6301 9167 email: sales@vanlong.com web: http://www.va nlong.com ? april 2004 by vanlong technology co., ltd. SF5402 package dimensions (qcc8c) marking test circuit typical frequency response electrical connections terminals connection 2 input 1,3 input ground 6 output 5,7 output ground 4,8 case ground package dimensions dimensions nom (mm) dimensions nom (mm) a 2.08 e 1.20 b 0.60 f 1.35 c 1.27 g 5.00 d 2.54 h 5.00 f5402 345.0 yww 1. f5402 - part code 2. frequency (mhz) in 5 digits 3. date code: y : last digit of year ww : week no. no matching network required for operation at 50 ?
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