SFELF10M7 series for FM-receivers are monolithic type ceramic filters that use the thickness expander mode of the piezoelectric ceramic. As part of the environment protection program, the solder for terminal plating and terminal-element connection inside of the ceramic filter contain no lead (Pb).
Cerafil® filter for audio/visual equipment
High mechanical strength
Low loss, favorable waveform symmetry, and high selectivity
Various bandwidths are available for applications in wide to narrow bands
Small dispersion and stable characteristic
Change in center frequency is typically within ±30ppm/°C at -20 to +80°C
Center Frequency (fo): 10.7 MHz ±30 kHz
3dB Bandwidth: 180 kHz ±40kHz
Attenuation: 520 kHz max.
Insertion Loss: 7 dB max.
Spurious Attenuation (1): 40 dB min (within 9 MHz to fo)
Suprious Attenuation (2): 40 dB min (within fo to 12 MHz)