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This datasheet also covers the CFWM455B variant, as both devices belong to the same filters family and are provided as variant models within a single manufacturer datasheet.
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FILTERS FOR COMMUNICATIONS EQUIPMENT RESIN MOLDED –HIGHLY SELECTIVE CFUM/CFWM 450/455kHz SERIES The CFUM and CFWM lines of ceramic filters are miniaturized versions of th...
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CFUM and CFWM lines of ceramic filters are miniaturized versions of the CFU/CFWS lines. These ultra-miniature versions consume approximately 40% less volume while still offering the same high performance filter characteristics available with the CFU/CFWS lines. They are available in 450kHz and 455kHz versions. FILTERS DIMENSIONS: mm CFUM 6.5 6.5 6.3 0.15 2.4 3.5 1.8 0.8 ቢባ ቤብ 0.7 4.3 1.0 0.7 0.5 CFWM 9.5 6.5 6.3 0.15 2.5 3.5 2.7 2.8 ቢባ ቤ ብቦ 0.9 4.3 1.0 0.7 0.7 0.5 SPECIFICATIONS Part Number Nominal Center 6dB Bandwidth 40dB Bandwidth Frequency (kHz) (kHz) min. (kHz) max. CFUM455B 455 ±15 ±30 CFUM455C 455 ±12.