B39421R2702U310 EPCOS | Alldatasheet

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Technical content

2 May 09, 2001

418,05 MHzResonator Data Sheet SMD Ceramic packageQCC8C

Features

■ 2-port resonator ■ nominal 180˚-phase at resonance ■ Provides reliable, fundamental mode, quartz fre- quency stabilization i.e. in transmitters or local oscillators 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 R2702 B39421-R2702-U310 C61157-A7-A56 F61074-V8070-Z000 Maximum ratings Operable temperature range TA –45/+85 ˚C Storage temperature rangeTstg –45/+85 ˚C DC voltage VDC 12 V between any terminals Source power Ps 0 dBm

3 May 09, 2001

418,05 MHzResonator Data Sheet Characteristics 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 417,975 418,050 418,125 MHz (center frequency between 3 dB points) Minimum insertion attenuation α min — 9,2 10,5 dB Phase at fc ϕ — 160 — ˚ el. Loaded quality factor Q L 5000 7200 — Unloaded quality factor Q U 8000 10200 — Ageing of fc —— ± 50 ppm Equivalent circuit elements Motional capacitance C 1 — 0,15 — fF Motional inductance L 1 — 943 — µH Motional resistance R 1 — 240 — Ω Input / Output capacitance C 0 — 2,2 — pF Temperature coefficient of frequency 1) TC f — –0,03 — ppm/K 2 Turnover temperature T0 25 — 55 ˚C

4 May 09, 2001

418,05 MHzResonator 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 compo- nents 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.