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The 4DFA-947E-10=P is a surface-mount bandpass RF filter manufactured by Toko America Inc. It operates at a center frequency of 947.5 MHz with a bandwidth of 12.5 MHz. The component features an insertion loss of 2.5 dB and ripple of 1 dB. It utilizes a 5-SMD, flat lead package for mounting.
Verify the exact part number including the suffix =P against official Toko America Inc. documentation to ensure correct specifications. Confirm availability status as some listings indicate obsolete status. Cross-reference electrical parameters such as center frequency and insertion loss with the specific datasheet before procurement.
Select this component when a precise 947.5 MHz center frequency is required with a narrow 12.5 MHz bandwidth. Ensure the application supports SMD mounting and the 5-lead package form factor. Verify that the 2.5 dB insertion loss meets system sensitivity requirements.
This part belongs to the 4DFA series of two-pole SMD filters from Toko America Inc., designed for frequencies between 700 and 2500 MHz. It serves as a specialized passive component for RF filtering applications within this broad frequency range.
Publicly confirmed substitute part numbers are not available in the provided source material. Consult manufacturer documentation for direct equivalents or compatible alternatives within the same series.