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FILTERS
FOR COMMUNICATIONS EQUIPMENT–RESIN MOLDED
MULTI-ELEMENT–CFG/CFK/CFX SERIES
CFSeries ceramic filters are high-
performance filters, which consist of
piezoelectric elements connected in a
ladder form. They can be widely used
as intermediate-frequency filters in
various high-class receivers, SSB
communications equipment, mobile
radio set.
s Variety of bandwidths available to
suit your needs
s Operating temperature range:
–20°C to +80°C
Storage temperature range:
–40°C to +85°C
FEATURES
s High selectivity
s Stable operation in a wide
temperature range
DIMENSIONS: mm
CFG455SERIES
10.8 ± 0.2
9.5 max.
ብባ
ቤቢ
9.0 ± 0.2
4.5 ± 0.2
4 – 0.5
4.0 ± 0.5
1.5 ± 0.1
Connection
INPUT
OUTPUT
ባብ GROUND
CFK455SERIES
16.5 ± 0.2
ብባ
ቤ ቢ 4.2 ± 0.1
10.5 max.
14.2 ± 0.2
4 – 0.5
4.0 ± 0.5
1.5 ± 0.1
Connection
INPUT
OUTPUT
ባ ብ GROUND
CFX455SERIES
10.8 ± 0.2
9.5 max.
ብባ
ቤቢ
9.0 ± 0.2
4.5 ± 0.2
4 – 0.5
4.0 ± 0.5
1.5 ± 0.1
Connection
INPUT
OUTPUT
ባ ብ GROUND
SPECIFICATIONS
Part Nominal Center
Number Frequency (kHz)
CFG455
CFG455B
455
CFG455C
455
CFG455D
455
CFG455E
455
CFG455E10
455
CFG455F
455
CFG455G
455
CFG455H
455
CFG455I
455
CFG455J
455
Part Nominal Center
Number Frequency (kHz)
CFK455
CFK455B
455
CFK455C
455
CFK455D
455
CFK455E
455
CFK455E10
455
CFK455F
455
CFK455G
455
CFK455H
455
CFK455I
455
CFK455J
455
CFX455
CFX455B
455
CFX455C
455
CFX455D
455
CFX455E
455
CFX455E10
455
CFX455F
455
CFX455G
455
CFX455H
455
CFX455I
455
CFX455J
455
3dB Bandwidth
(kHz) min.
±10
±9
±7
±5.5
±5.0
±4.2
3dB Bandwidth
(kHz) min.
±10
±9
±7
±5.5
±5.0
±4.2
±10
±9
±7
±5.5
±5.0
±4.2
6dB Bandwidth
(kHz) min.
±15
±13
±10
±8
±7.0
±6
±4
±3
±2
±1.5
6dB Bandwidth
(kHz) min.
±15
±13
±10
±8
±7.5
±6
±4
±3
±2
±1.5
±15
±13
±10
±8
±7.5
±6
±4
±3
±2
±1.5
Ripple
(dB)max.
3
3
3
3
3
3
3
3
3
3
Ripple
(dB)max.
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
60dB Bandwidth
(kHz) max.
±25
±23
±20
±16
±12.5
±12
±10
±7.5
±5
±4.5
70dB Bandwidth
(kHz) max.
±25
±23
±20
±16
±12.5
±12
±10
±7.5
±5
±4.5
±25
±23
±20
±16
±12.5
±12
±10
±7.5
±5
±4.5
Attenuation
Spurious
Insertion Loss Input/Output
455±100kHz (dB) min. 0.1~1MHz (dB) min. (dB) max. Impedance ()
50 25 4 1000
50 25 4 1000
50 25 4 1500
50 25 6 1500
50 25 6 1500
50 25 6 1500
50 25 6 1500
50 25 6 1500
50 25 6 2000
50 25 6 2000
Attenuation
Spurious
Insertion Loss Input/Output
455±100kHz (dB) min. 0.1~1MHz (dB) min. (dB) max. Impedance ()
80 50 4 1000
80 50 4 1000
80 50 4 1500
80 50 6 1500
80 50 6 1500
80 50 6 2000
80 50 6 2000
80 50 7 2000
80 50 8 2000
80 50 8 2000
70 40 4 1000
70 40 4 1000
70 40 4 1500
70 40 6 1500
70 40 6 1500
70 50 6 1500
70 50 6 1500
70 50 7 1500
70 50 8 2000
70 50 8 2000
PART NUMBERING SYSTEM
CFG/CFK/CFX
455 B
SERIES
CENTER FREQUENCY
in kHz
3dB
BANDWIDTH
̆Applicable in North American market only. ̄Applicable in European market only.
For more detailed information regarding this product line in North America, consult us. 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. P05E-8.
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