BFU450C

FILTERS FOR AM APPLICATIONS–SIGNAL DETECTION BFU/SFZ SERIES FEATURES s fa – fr: Difference between the antiresonant frequency and the resonant frequency s Most suitable for IC Station Detectors (SD) such as the LA 1135 (by Sanyo) 9.0 ± 0.3 4.0 ± 0.5 FILTERS DIMENSIONS: mm BFU Series 3.5 ± 0.3 1.5 max. 3.5 ± 0.5 9.0 ± 0.3 7.0 ± 0.3 MARKING M 0.8 ± 0.1 1.1 ± 0.1 1.75 ± 0.5 0.25 ± 0.05 0.1 ± 0.05 : EIA-J Date Code 5.0 ± 0.2 SPECIFICATIONS Part Number BFU450K3 BFU450C BFU450C4N Part Number SFZ450C3N Resonant Frequency (kHz) 450 ± 1 450 ± 1 450 ± 0.8 Center Frequency (kHz) 450 ± 1 PART NUMBERING SYSTEM BFU SFZ Series̄ 7.0 ± 0.3 NO DIRECTIVITY MARKING M 1.1 ± 0.1 0.8 ± 0.1 ቢባቤ ቧቦብ 2.5 ± 0.2 : EIA-J Date Code 3.5 +1.0 – 0.5 1.75 ± 0.5 3.5 ± 0.5 0.25 0.1 Connection ቢ INPUT ባ ቦ GROUND ቤ ብ DIRECT CONNECTION ቧ OUTPUT fa – fr (kHz) 27.5 ± 4.5 14 ± 2 9±2 3dB Bandwidth (kHz) 2.5 ± 1 Resonant Resistance (⍀) max. 30 (10) 20 (10) 30 (12) Selectivity f0 – 9kHz (30dB) f0 + 9kHz (24dB) Capacitance (pF) 550 ± 20% 360 ± 20% 360 ± 20% Application IF Signal Detection ( ) Typical value 450 C SERIES CENTER FREQUENCY in kHz TYPE ̆Applicable in North American market only. ̄Applicable in European market only. For more detailed information regarding this product line in North America, see Catalog No. P-05-D. To receive additional information on Murata Products call 1-800 -831-9172. For more detailed information regarding this product line in Europe, see Catalog No. P10E-2...