saw components data sheet r 850
2 aug 21, 2002 saw components r 850 433,94 mhz resonator data sheet ceramic package qcc4a 1 3 4 2 0,5 1,2 0,8 1,45 5,0 3,5 features n 1-port resonator 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 0,1 g pin configuration 1 input 3 output, grounded in 1-port conf. 2,4 ground (case) e lectrostatic s ensitive d evice ( esd ) type ordering code marking and package according to packing according to r 850 b39431-r 850-h210 c61157-a7-a86 f61074-v8120-z000 maximum ratings operable temperature range t a C40/+125 ?c storage temperature range t stg C40/+125 ?c dc voltage v dc 12 v between any terminals source power p s 0 dbm r1 l1 c1 c0 1 3
3 aug 21, 2002 saw components r 850 433,94 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 1-input, pin 3-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 433,89 433,94 433,99 mhz minimum insertion attenuation a min 1,2 1,5 db unloaded quality factor q u 8000 13800 ageing of f c C10/+50 ppm equivalent circuit elements motional capacitance c 1 2,066 ff motional inductance l 1 65,11 m h motional resistance r 1 1318 w parallel capacitance 2) c 0 2,7 pf temperature coefficient of frequency 3) tc f C0,032 ppm/k 2 turnover temperature t 0 15 25 35 ?c
4 aug 21, 2002 saw components r 850 433,94 mhz resonator data sheet published by epcos ag surface acoustic wave components division, saw ce ae p.o. box 80 17 09, 81617 munich, germany ? .epcos ag 2002. reproduction, publication and dissemination of this brochure and the informa- t ion contained therein without epcos prior express consent is prohibited. purchase orders are subject to the general conditions for the supply of products and services of t he 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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