SF2412E Filters

Surface acoustic wave (SAW) filters are widely used in radio frequency (RF) and microwave circuits. Although they have higher insertion losses and larger size than other types of filters, they offer advantages such as low distortion, wide bandwidth, and steep roll-off. One type of SAW filter is the SF2412E. This article provides an introduction to the application field and working principle of this type of SAW filter.The SF2412E SAW filter is designed for use in communications systems. It is suitable for surface mount applications, and has a wide operating temperature range of -45 to +85 degrees Celsius. The filter has a wide frequency range of 450–2000 MHz, and offers high attenuation of up to 23dB. Its minimum pass band insertion loss is 3dB.The SF2412E SAW filter is designed using interdigitated transducers (IDTs). These are sets of electrodes that are patterned on either side of a piezoelectric substrate. A metal grating ensures that the acoustic wave generated by the electrodes propagates through the substrate in an orderly fashion. The grating acts as a reflective surface for the wave and forms a resonator structure. The resonance frequency of the filter is determined by the number of electrodes, the spacing between them, and the size of the substrate.The working principle of the filter is based on the principle of wave propagation. When an RF signal is applied, the voltage across the electrodes is proportional to the applied signal. This voltage creates an acoustic wave that propagates across the substrate. As the wave passes through the electrode pattern, the frequency of the wave is altered. This alteration in frequency results in a pass band region and an attenuated region. The positioning of the electrodes and the characteristics of the substrate determine the frequency of the pass band and the attenuation of the filter.The SF2412E SAW filter has an input power rating of 0.1-2.0W. The size of the filter is 42x35x3.8mm. The filter is easy to assemble, and is resistant to vibrations and shocks. Its package type is an industry standard Quad Flat Pack.In conclusion, the SF2412E surface acoustic wave filter is well-suited for use in communication systems. It has a wide frequency range, high attenuation, and stable performance. Its design is based on interdigitated transducers and wave propagation principles, and it offers a reliable solution for the filtering of radio signals.

SF24GHA0G	Taiwan Semic...	0.05 $	1000	DIODE GEN PURP 200V 2A DO...
SF24G A0G	Taiwan Semic...	0.08 $	1500	DIODE GEN PURP 200V 2A DO...
SF24G R0G	Taiwan Semic...	0.06 $	1000	DIODE GEN PURP 200V 2A DO...
SF24-5,08	Altech Corpo...	6.03 $	1000	PCB HORIZ INVERTEDPLUG 50...
SF2412E	Murata Elect...	0.57 $	500	FILTER SAW 925MHZ 6SMD
SF24GTA	SMC Diode So...	0.04 $	6000	DIODE GEN PURP 200V 2A DO...
SF24G-TP	Micro Commer...	0.05 $	4000	DIODE GPP SUPER FAST 2A D...
SF24GHB0G	Taiwan Semic...	0.05 $	1000	DIODE GEN PURP 200V 2A DO...
SF24G B0G	Taiwan Semic...	0.05 $	1000	DIODE GEN PURP 200V 2A DO...
SF24GHR0G	Taiwan Semic...	0.06 $	1000	DIODE GEN PURP 200V 2A DO...