B39431R723U310

SAW Components Data Sheet R 723 SAW Components R 723 Resonator 434,42 MHz Data Sheet Ceramic package QCC8C Features ■ 1-port resonator ■ Provides reliable, fundamental mode, quartz fre- quency stabilization i.e. in transmitters or local oscillators Terminals ■ Ni, gold plated typ. dimensions in mm, approx. weight 0,1 g Pin configuration 2 6 4,8 1,3 5,7 Type R 723 Input Output, grounded in 1-port conf. Ground (case) float float / ground Ordering code Marking and Package Packing B39431-R 723-U310 according to C61157-A7-A56 according to F61074-V8023-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 12 0 2 ˚C ˚C V dBm between any terminals May 09, 2001 SAW Components R 723 Resonator 434,42 MHz Data Sheet Characteristics TA = 25 ˚C ZS = 50 Ω ZL = 50 Ω Reference temperature: Terminating source impedance: Terminating Load impedance: min. Center fc frequency 1) typ. 434,345 434,42 max. 434,495 MHz Minimum insertion attenuation αmin — 1,2 1,8 Unloaded quality factor QU 7700 12800 — — — ± 50 C1 L1 R1 C0 — — — — 1,9 70,64 15 3,0 — — 25 — fF µH Ω pF TCf — – 0,032 — ppm/K2 T0 10 — 40 ˚C 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 dB ppm frequency is defined as maximum of the real part of the admittance used in two port configuration (pin 2-input, pin 6-output) C0 is reduced by approx. 0,3 pF. 3)Temperature dependence of fc: fc(TA) = fc(T0)(1 + TCf(TA – T0)2) 3 May 09, 2001 SAW Components R 723 Resonator 434,42 MHz Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, SAW CE AE PD P.O. Box 80 17 09, D-81617 München  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