SAW Components Data Sheet R900 SAW Components R900 433,92 MHz Resonator Data Sheet Ceramic package DCC6C Features ■ 1-port resonator ■ Provides reliable, fundamental mode, quartz fre- quency stabilization i.e. in transmitters or local oscillators ■ Protection layer: ELPAS Terminals ■ Ni, gold plated Dimensions in mm, approx. weight 0,037 g Pin configuration 2 5 1, 3, 4, 6 R1 Input Output, grounded in 1-port conf. Ground (case) L1 C1 C0 5 2 Type R900 Ordering code B39431-R 900-U410 Marking and Package Packing according to according to C61157-A7-A67 F61074-V8168-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 2 ˚C ˚C V dBm between any terminals Oct 08, 2004 SAW Components R900 433,92 MHz Resonator 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) Minimum insertion attenuation Unloaded quality factor Temperature coefficient of frequency 3) Turnover temperature 1) Center 2) If max. 433,920 αmin — 1,4 1,9 QU 8300 12000 — — — C1 L1 R1 C0 — — — — 1,685 79,82 18 2,3 — — 26 — fF µH Ω pF TCf — –0,032 — ppm/K2 T0 20 — 50 ˚C Ageing of fc Equivalent circuit elements Motional capacitance Motional inductance Motional resistance Parallel capacitance 2) typ. 433,845 433,995 MHz dB -50/+50 ppm frequency is defined as maximum of the real part of the admittance used in two port configuration (pin 2-input, pin 5-output) C0 is reduced by approx. 0,3 pF. 3)Temperature dependence of fc: fc(TA) = fc(T0)(1 + TCf(TA – T0)2) 3 Oct 08, 2004 SAW Components R900 433,92 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 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 Oct 08, 2004