saw components data sheet r 903
2 jul 01, 2005 saw components r 903 315,50 mhz resonator data sheet ceramic package dcc6c features n 1-port resonator n provides reliable, fundamental mode, quartz fre- quency stabilization i.e. in transmitters or local oscillators n hermetically sealed ceramic package n protection layer: elpas n aec-q200 qualified component family n compliant to eu rohs directive (2002/95/ec) n lead free soldering compatible with j - std20c terminals n ni, gold plated dimensions in mm, approx. weight 0,037 g pin configuration 2 input 5 output, grounded in 1-port conf. 1,3,4,6 ground (case) e lectrostatic s ensitive d evice ( esd ) type ordering code marking and package according to packing according to r 903 b39321-r 903-u410 c61157-a7-a67 f61074-v8168-z000 maximum ratings operable temperature range t a C40/+95 ?c storage temperature range t stg C40/+95 ?c dc voltage v dc 12 v between any terminals source power p s 0 dbm r1 l1 c0 c1 2 5
3 jul 01, 2005 saw components r 903 315,50 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) center frequency is defined as maximum of the real part of the admittance 2) if used in two port configuration (pin 2-input, pin 5-output) c 0 is reduced by approx. 0,3 pf. 3) 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 1) f c 315,425 315,50 315,575 mhz minimum insertion attenuation a min 1,5 1,9 db unloaded quality factor q u 7600 10200 ageing of f c C50/+50 ppm equivalent circuit elements motional capacitance c 1 2,346 ff motional inductance l 1 108,5 m h motional resistance r 1 2128 w parallel capacitance 2) c 0 3,4 pf temperature coefficient of frequency 3) tc f C0,032 ppm/k 2 turnover temperature t 0 535?c
4 jul 01, 2005 saw components r 903 315,50 mhz resonator data sheet published by epcos ag surface acoustic wave components division, saw ce ae pd p.o. box 80 17 09, d-81617 mnchen ? epcos ag 2005. all rights reserved. reproduction, publication and dissemination of this bro- chure and the information contained therein without epcos prior express consent is prohibited. t he information contained in this brochure describes the type of component and shall not be con- sidered as guaranteed characteristics. purchase orders are subject to the general conditions for t he supply of products and services of the electrical and electronics industry recommended by the zvei (german electrical and electronic manufacturers association), unless otherwise agreed. t his brochure replaces the previous edition. 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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