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The TA0421A is a Surface Acoustic Wave (SAW) band-pass filter manufactured by TST. It operates at a center frequency of 480MHz with a bandwidth of 20MHz and an insertion loss of 2.8dB. The component is housed in an 8-SMD, No Lead package measuring 5.0x5.0mm. Maximum ratings include an input power level of 10dBm and DC voltage specifications as defined in the manufacturer datasheet.
Verify the specific datasheet version from TST or authorized distributors to confirm electrical tolerances and pin configurations. Ensure compatibility with the target PCB footprint and reflow soldering profiles. Confirm that the 8-SMD No Lead package meets the assembly requirements of the final design.
Select this component when a 480MHz SAW filter is required for wireless systems. The 20MHz bandwidth and 2.8dB insertion loss define the signal integrity parameters. The 5.0x5.0mm package size must fit within the available board space constraints of the application.
TST, also known as Tai-Saw Technology Co., Ltd., manufactures RF filters including SAW devices. The TA0421A belongs to their line of surface acoustic wave components designed for wireless communication frequencies. These filters are engineered to provide precise frequency selection in compact form factors suitable for modern electronic devices.
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify cross-reference data directly with TST technical support before substituting.