SFU455

www.DataSheet4U.com PIEZO FILTERS CERAMIC FILTERS FOR AM APPLICATIONS SFU450/455kHz The following filters were designed to address the needs of standard AM filtering requirements. These filters are recommended for use in low cost products where economically, efficient designs are critical. SPECIFICATIONS Part Number ‚SFU455A SFU450/455kHz 3dB Bandwidth (kHz) 10 (±3) Ripple (dB) max. 0 Selectivity F0 ± 9kHz 4@–10kHz 6@+10kHz 4@+10kHz 6@–10kHz Termination Impedance (Ohms) max. 3k Spurious Response (dB) min. 10 (1~3MHz) Insertion Loss (dB) max. 5 Operating Temperature Range –10°C to +80°C –10°C to +80°C Withstanding Voltage Center Frequency (kHz) 455 ± 2 462 ± 2 SFU455B (connected to an IFT) 50V DC 10 (±3) — 3k 10 (1~3MHz) 5 ( ) Typ. value PIEZO FILTERS DIMENSIONS: mm SFU455 7.0 ± 0.3 3.5 ± 0.3 CIRCUIT 9.0 ± 0.3 3k⍀ ባ ቢ ቤ E2 3k⍀ 3.5 +1.0 –0.5 1.1 ± 0.1 0.8 ± 0.1 0.25 1.75 ± 0.5 0.1 2.5 ± 0.2 ቤ ባ ቢ Sealing 3 –1.0 D. DataSheet4U.com S.S.G. Rg=50⍀ ee DataSh RF Voltmeter SFU455B is designed to be connected with an I.F.T. ‚Available as standard through authorized Murata Electronics Distributors. DataSheet4U.com CG01-J 443 DataSheet 4 U .com ...