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| SAW Components Data Sheet R 2709 Farnell Code - 7455445 SAW Components Resonator Data Sheet R 2709 868,30 MHz SMD Ceramic package QCC8C Features s 2-port resonator s nominal 180-phase at resonance s Provides reliable, fundamental mode, quartz fre- quency stabilization i.e. in transmitters or local oscillators Terminals s Ni, gold plated Dimensions in mm, approx. weight 0,1 g Pin configuration 2 6 7 3 4,8 Input / Ouptput Output / Input Ground (Input / Output) Ground (Output / Input) Ground (case) Type R2709 Ordering code B39871-R2709-U310 Marking and Package according to C61157-A7-A56 Packing according to F61074-V8070-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power TA Tstg VDC Ps -45/+85 -45/+85 0 0 C C V dBm between any terminals 2 May 09, 2001 SAW Components Resonator Data Sheet Characteristics Reference temperature: Terminating Source impedance: Terminating Load impedance: R 2709 868,30 MHz TA = 25 C ZS = 50 ZL = 50 min. typ. 868,30 max. 868,50 MHz Center frequency (center frequency between 3 dB points) Minimum insertion attenuation Phase at fc Loaded quality factor Unloaded quality factor Ageing of fc Equivalent circuit elements Motional capacitance Motional inductance Motional resistance Input / Output capacitance Temperature coefficient of frequency 1) Turnover temperature 1) Temperature fc 868,10 min QL QU -- -- 3000 5500 -- 7,0 130 3600 6600 -- 0,279 120,4 100 1,9 -0,03 -- 9,0 -- -- -- -10/+40 -- -- -- -- -- 35 dB el. ppm fF H pF ppm/K2 C C1 L1 R1 C0 -- -- -- -- -- 15 TCf T0 dependence of fc: fc(TA) = fc(T0)(1 + TCf(TA - T0)2) 3 May 09, 2001 SAW Components Resonator Data Sheet R 2709 868,30 MHz Published by EPCOS AG Surface Acoustic Wave Components Division, SAW CE AE PD P.O. Box 80 17 09, D-81617 Munchen (c) EPCOS AG 2001. All Rights Reserved. As far as patents or other rights of third parties are concerned, liability is only assumed for components per se, not for applications, processes and circuits implemented within components or assemblies. The information describes the type of component and shall not be considered as assured characteristics. Terms of delivery and rights to change design reserved. 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 09, 2001 |
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