R2712 EPCOS | Alldatasheet

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Technical content

2 Oct 02, 2003

804.50 MHzResonator

Features

■ 2-port resonator ■ nominal 180˚-phase at resonance ■ Provides reliable, fundamental mode, quartz fre- quency stabilization i.e. in transmitters or local oscillators ■ Passivation layer: Protec Terminals ■ Ni, gold plated Dimensions in mm, approx. weight 0,1 g Pin configuration

2 Input / Ouptput

6 Output / Input

7 Ground (Input / Output)

3 Ground (Output / Input)

4,8 Ground (case) ElectrostaticSensitiveD evice (ESD ) Type Ordering code Marking and Package according to Packing according to R2712 B39801-R2712-U310 C61157-A7-A56 F61074-V8169-Z000 Maximum ratings Operable temperature range TA –45/+85 ˚C Storage temperature rangeTstg –45/+85 ˚C DC voltage VDC 0 V between any terminals Source power Ps 0 dBm

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Reference temperature: TA = 25 ˚C Terminating Source impedance: ZS = 50Ω Terminating Load impedance: ZL = 50Ω 1)Temperature dependence offc: fc(TA) =fc(T0)(1 +TC f(TA –T0)2) min. typ. max. Center frequency fc 804,25 804.5 804,75 MHz (center frequency between 3 dB points) Minimum insertion attenuation α min — 6,3 8,3 dB Phase at fc ϕ — 140 — ˚ el. Loaded quality factor Q L 3000 3700 — Unloaded quality factor Q U 6300 7500 — Ageing of fc —— −10/+40 ppm Equivalent circuit elements Motional capacitance C 1 — 0,293 — fF Motional inductance L 1 — 133,8 — µH Motional resistance R 1 —9 1— Ω Input / Output capacitance C 0 — 1,6 — pF Temperature coefficient of frequency 1) TC f — –0,03 — ppm/K 2 Turnover temperature T0 15 — 35 ˚C

4 Oct 02, 2003

Surface Acoustic Wave Components Division, SAW CE AE PD P.O. Box 80 17 09, D-81617 München  EPCOS AG 2003. All Rights Reserved. Reproduction, publication and dissemination of this bro- chure and the information contained therein without EPCOS’ prior express consent is prohibited. The information contained in this brochure describes the type of component and shall not be con- sidered as guaranteed characteristics. 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.