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ALFYM450F

Description
Ceramic BPF, 0.45MHz, LEAD FREE PACKAGE-5
CategoryAnalog mixed-signal IC    filter   
File Size200KB,2 Pages
ManufacturerTOKO, INC.
Websitehttps://www.murata.com/
Download Datasheet Parametric View All

ALFYM450F Overview

Ceramic BPF, 0.45MHz, LEAD FREE PACKAGE-5

ALFYM450F Parametric

Parameter NameAttribute value
Reach Compliance Codeunknown
Other featuresHIGH SELECTIVITY
Center frequency or cutoff frequency (fo/fc)0.45 MHz
filter typeCERAMIC BPF
high6.3 mm
Input/output impedance2000 OHM
Maximum insertion loss6 dB
length9.5 mm
Manufacturer's serial numberLFYM
Installation typeTHROUGH HOLE MOUNT
physical sizeL9.5XB6.5XH6.3 (mm)/L0.374XB0.256XH0.248 (inch)
width6.5 mm
Base Number Matches1
LFY/LFYM
AM CERAMIC FILTERS
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
Dimensions
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
LFY
Unit: mm
Applications
• AM radio cassettes, AM stereo sets
• Cordless telephones, pagers
• Two-way radios
LFYM
Unit: mm
STANDARD FILTERS SELECTION GUIDE
TYPE LFY/LFYM
TOKO
Part
Number
LFY
ALFY455H
ALFY455G
ALFY455F
ALFY455E
BLFY455D
BLFY455C
BLFY455B
LFYM
ALFYM455H
ALFYM455G
ALFYM455F
ALFYM455E
BLFYM455D
BLFYM455C
BLFYM455B
Center *
Frequency
(kHz)
455±1.0
455±1.0
455±1.0
455±1.0
455±2.0
455±2.0
455±2.0
455±1.0
455±1.0
455±1.0
455±1.0
455±2.0
455±2.0
455±2.0
Bandwidth
at 6 dB
(kHz)
±3.0 min.
±4.5 min.
±6.0 min.
±7.5 min.
±10.0 min.
±12.5 min.
±15.0 min.
±3.0 min.
±4.5 min.
±6.0 min.
±7.5 min.
±10.0 min.
±12.5 min.
±15.0 min.
Bandwidth
at 50 dB
(kHz)
±9.0 min.
±10.0 min.
±12.5 min.
±15.0 min.
±20.0 min.
±24.0 min.
±30.0 min.
±9.0 min.
±10.0 min.
±12.5 min.
±15.0 min.
±20.0 min.
±24.0 min.
±30.0 min.
Attenuation
fo ± 100 KHz
(dB)
35.0 max.
35.0 max.
35.0 max.
35.0 max.
35.0 max.
35.0 max.
35.0 max.
35.0 max
35.0 max
35.0 max
35.0 max
35.0 max
35.0 max
35.0 max
Insertion
Loss
(dB)
6.0 max.
6.0 max.
6.0 max.
6.0 max.
4.0 max.
4.0 max.
4.0 max.
6.0 max.
6.0 max.
6.0 max.
6.0 max.
4.0 max.
4.0 max.
4.0 max.
Input/Output
Impedance
(kΩ)
2.0
2.0
2.0
1.5
1.5
1.5
1.5
2.0
2.0
2.0
1.5
1.5
1.5
1.5
* For 450kHz, substitute 450 for 455 in part number.
August 2005
© 2005 TOKO America, Inc.
All Rights Reserved
Printed in USA
CF-318-LFY/M
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