LFC/LFCM
AM CERAMIC FILTERS
August 2005
2005 TOKO America, Inc.
All Rights Reserved
Printed in USA
1
CF-317-LFC/M
R-LOG0805A
Dimensions
STANDARD FILTERS SELECTION GUIDE
TYPE LFC/LFCM
TOKO Center * Bandwidth Bandwidth Attenuation Insertion Input/Output
Part Frequency at 6 dB at 40 dB fo ± 100 KHz Loss Impedance
Number (kHz) (kHz) (kHz) (dB) (dB) (k
Ω
)
LFC
ALFC455H 455±1.0 ±3.0 min. ±9.0 min. 25.0 max. 6.0 max. 2.0
ALFC455G 455±1.0 ±4.5 min. ±10.0 min. 25.0 max. 6.0 max. 2.0
ALFC455F 455±1.0 ±6.0 min. ±12.5 min. 27.0 max. 6.0 max. 2.0
ALFC455E 455±1.0 ±7.5 min. ±15.0 min. 27.0 max. 6.0 max. 1.5
BLFC455D 455±2.0 ±10.0 min. ±20.0 min. 27.0 max. 4.0 max. 1.5
BLFC455C 455±2.0 ±12.5 min. ±24.0 min. 27.0 max. 4.0 max. 1.5
BLFC455B 455±2.0 ±15.0 min. ±30.0 min. 27.0 max. 4.0 max. 1.5
LFCM
ALFCM455H 455±1.0 ±3.0 min. ±9.0 min. 25.0 max 6.0 max. 2.0
ALFCM455G 455±1.0 ±4.5 min. ±10.0 min. 25.0 max 6.0 max. 2.0
ALFCM455F 455±1.0 ±6.0 min. ±12.5 min. 27.0 max 6.0 max. 2.0
ALFCM455E 455±1.0 ±7.5 min. ±15.0 min. 27.0 max 6.0 max. 1.5
BLFCM455D 455±2.0 ±10.0 min. ±20.0 min. 27.0 max 4.0 max. 1.5
BLFCM455C 455±2.0 ±12.5 min. ±24.0 min. 27.0 max 4.0 max. 1.5
BLFCM455B 455±2.0 ±15.0 min. ±30.0 min. 27.0 max 4.0 max. 1.5
* For 450kHz, substitute 450 for 455 in part number.
Description
AM Ceramic filters are connected in a ladder structure
and are available as either 4/6 element devices
Bandwidths from 6 to 30 kHz
Features
450, 455 kHz, (460kHz and 486kHz by special request)
High selectivity
Compact package
Version with group delay variations specified also available
Lead-free terminations
Applications
AM radio cassettes, AM stereo sets
Cordless telephones, pagers
Two-way radios
LFC
LFCM
Unit: mm
Unit: mm