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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.
SFU455 Datasheet
