R900 Datasheet | EPCOS

Features s 1-port resonator s Provides reliable, fundamental mode, quartz fre- quency stabilization i.e. in transmitters or local oscillators s Protection layer: ELPAS Terminals s Ni, gold plated Dimensions in mm, approx. weight 0,037 g Pin configuration 2 5 1, 3, 4, 6 Input Output, grounded in 1-port conf. Ground (case) R1 L1 C0 C1 Type R900 Ordering code B39431-R 900-U410 Marking and Package according to C61157-A7-A67 Electrostatic Sensitive Device (ESD) Packing according to F61074-V8168-Z000 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 d Bm between any terminals Oct 08, 2004 SAW ponents Resonator Data Sheet Characteristics Reference temperature: Terminating source impedance: Terminating load impedance: R900 433,92 MHz TA = 25 ˚C ZS = 50 Ω ZL = 50 Ω min. Center frequency 1) typ. 433,920 1,4 12000 - 1,685 79,82 18 2,3 - 0,032 - max. 433,995 MHz 1,9 - -50/+50 ppm - - 26 - - 50 f F µH Ω p F ppm/K2 ˚C d B fc αmin 433,845 - 8300 - 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 C1 L1 R1 C0 TCf T0 - - - - - 20 frequency is defined as maximum of the real part of the admittance dependence of fc: used in two port configuration (pin 2-input, pin 5-output) C0 is reduced by approx. 0,3 p F. 3)Temperature fc(TA) = fc(T0)(1 + TCf(TA - T0)2) Oct 08,...