saw components data sheet r 2705
2 jan 10, 2000 saw components r 2705 403,55 mhz resonator data sheet smd ceramic package qcc8 features n 2-port resonator n nominal 180?-phase at resonance n provides reliable, fundamental mode, quartz fre- quency stabilization i.e. in transmitters or local oscillators terminals n ni, gold plated dimensions in mm, approx. weight 0,13 g pin configuration 2 input / ouptput 6 output / input 7 ground (input / output) 3 ground (output / input) e lectrostatic s ensitive d evice ( esd ) type ordering code marking and package according to packing according to r2705 b39401-r2705-z 10 c61157-a7-a37 f61074-v8023-z000 maximum ratings operable temperature range t a C45/+85 ?c storage temperature range t stg C45/+85 ?c dc voltage v dc 12 v between any terminals source power p s 0 dbm
3 jan 10, 2000 saw components r 2705 403,55 mhz resonator data sheet characteristics reference temperature: t a = 25 ?c terminating source impedance: z s = 50 w terminating load impedance: z l = 50 w 1) temperature dependence of f c : f c ( t a ) = f c ( t 0 )(1 + tc f ( t a C t 0 ) 2 ) min. typ. max. center frequency f c 403,43 403,55 403,67 mhz (center frequency between 3 db points) minimum insertion attenuation a min 7,7 10 db phase at f c j 150 ? el. loaded quality factor q l 5000 6700 unloaded quality factor q u 7000 11500 ageing of f c 50 ppm equivalent circuit elements motional capacitance c 1 0,243 ff motional inductance l 1 640,1 m h motional resistance r 1 140 w input / output capacitance c 0 2,0 pf temperature coefficient of frequency 1) tc f C0,032 ppm/k 2 turnover temperature t 0 30 40 50 ?c
4 jan 10, 2000 saw components r 2705 403,55 mhz resonator data sheet published by epcos ag surface acoustic wave components division, ofw e ue p.o. box 80 17 09, d-81617 mnchen ? epcos ag 1999. all rights reserved. a s far as patents or other rights of third parties are concerned, liability is only assumed for compo- nents per se, not for applications, processes and circuits implemented within components or assemblies. t he information describes the type of component and shall not be considered as assured characteristics. t erms of delivery and rights to change design reserved. for questions on technology, prices and delivery please contact the sales offices of epcos ag or t he international representatives. due to technical requirements components may contain dangerous substances. for information on t he type in question please also contact one of our sales offices.
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