Document
FILTERS FOR COMMUNICATIONS EQUIPMENT–RESIN MOLDED MULTI-ELEMENT–CFG/CFK/CFX SERIES
CF२ Series ceramic filters are highperformance 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 CFG455२ SERIES
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 ቢ INPUT ቤ OUTPUT ባብ GROUND
CFK455२ SERIES
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 ቢ INPUT ቤ OUTPUT ባ ብ GROUND
CFX455२ SERIES
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 ቢ INPUT ቤ OUTPUT ባ ብ GROUND
FILTERS
SPECIFICATIONS
Part Nominal Center Number Frequency (kHz)
CFG455२
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)
CFK455२
CFK455B
455
CFK455C
455
CFK455D
455
CFK455E
455
CFK455E10
455
CFK455F
455
CFK455G
455
CFK455H
455
CFK455I
455
CFK455J
455
CFX455२
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.
121
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