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| SAW Components Data Sheet R820 SAW Components Resonator Data Sheet R820 433,92 MHz Ceramic package QCC4A Features s 1-port resonator s Provides reliable, fundamental mode, quartz fre1,2 1 quency stabilization i.e. in transmitters or local oscillators s Passivation layer: Elpas Terminals s Ni, gold plated 0,8 4 3 0,5 3,5 1,45 5,0 Dimensions in mm, approx. weight 0,1 g Pin configuration C1 1 3 2,4 Input Output, grounded in 1-port conf. Ground (case) R1 L1 C0 1 3 Type R820 Ordering code B39431-R 820-H210 Marking and Package according to C61157-A7-A86 Packing according to F61074-V8120-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power TA Tstg VDC Ps -40/+125 -40/+125 12 0 C C V dBm between any terminals 2 May 26, 2004 2 SAW Components Resonator Data Sheet Characteristics Reference temperature: Terminating source impedance: Terminating load impedance: R820 433,92 MHz TA = 25 C ZS = 50 ZL = 50 min. Center frequency 1) typ. 433,920 1,2 11500 -- 2,13 63,16 14 2,5 -0,032 -- max. 433,995 MHz 1,7 -- -50/+50 ppm -- -- 22 -- -- 40 fF H pF ppm/K2 C dB fc min 433,845 -- 7500 -- Minimum insertion attenuation Unloaded quality factor Ageing of fc Equivalent circuit elements Motional capacitance Motional inductance Motional resistance Parallel capacitance 2) Temperature coefficient of frequency 3) Turnover temperature 1) Center 2) If QU C1 L1 R1 C0 TCf T0 -- -- -- -- -- 10 frequency is defined as maximum of the real part of the admittance dependence of fc: used in two port configuration (pin 1-input, pin 3-output) C0 is reduced by approx. 0,3 pF. 3)Temperature fc(TA) = fc(T0)(1 + TCf(TA - T0)2) 3 May 26, 2004 SAW Components Resonator Data Sheet R820 433,92 MHz Published by EPCOS AG Surface Acoustic Wave Components Division, SAW CE AE P.O. Box 80 17 09, 81617 Munich, GERMANY (c).EPCOS AG 2004. Reproduction, publication and dissemination of this brochure and the information 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 the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers' Association), unless otherwise agreed. This brochure replaces the previous edition. For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representatives. Due to technical requirements components may contain dangerous substances. For information on the type in question please also contact one of our Sales Offices. 4 May 26, 2004 |
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