OBSOLETE - DO NOT USE
SM Ceramic Filters
CFUCG & SFGCG
CFU & CFW Flat Group Delay Models
Surface Mount Ceramic Filters
Model
Number
6dB
Bandwidth Bandwidth
(kHz) min (kHz@dB)
Attenuation Attenuation Insertion Input/Output
±100kHz
(dB) min
Loss
Impedance
(ohms)
(dB) max
CFUS455BY
CFUS455CY
CFUS455DY
CFUS455EY
CFUS455FY
CFUS455GY
±15.00 ±35.00 40
±12.50 ±30.00 40
±10.00 ±25.00 40
±7.50 ±20.00 40
±6.00 ±17.50 40
±4.50 ±15.00 40
25
25
23
23
23
23
5
6
7
8
9
1500
1500
1500
1500
2000
2000
10
CFWS455BY ±15.00 ±35.00 50
CFWS455CY ±12.50 ±30.00 50
CFWS455DY ±10.00 ±25.00 50
40
40
40
40
40
40
6
7
8
9
10
11
1500
1500
1500
1500
2000
2000
CFWS455EY
CFWS455FY
CFWS455GY
±7.50 ±20.00 50
±6.00 ±17.50 50
±4.50 ±15.00 50
CFUM & CFWM Flat Group Delay Models
Model
Number
6dB
Bandwidth Bandwidth
(kHz) min (kHz@dB)
Attenuation Attenuation Insertion Input/Output
±100kHz
(dB) min
Loss
Impedance
(ohms)
(dB) max
CFUM455BY ±15.00 ±35.00 40
CFUM455CY ±12.50 ±30.00 40
CFUM455DY ±10.00 ±25.00 40
25
25
23
23
23
23
5
6
7
8
9
1500
1500
1500
1500
2000
2000
CFUM455EY
CFUM455FY
CFUM455GY
±7.50 ±20.00 40
±6.00 ±17.50 40
±4.50 ±15.00 40
10
CFWM455BY ±15.00 ±35.00 50
CFWM455CY ±12.50 ±30.00 50
CFWM455DY ±10.00 ±25.00 50
40
40
40
40
40
40
6
7
8
9
10
11
1500
1500
1500
1500
2000
2000
CFWM455EY
CFWM455FY
CFWM455GY
±7.50 ±20.00 50
±6.00 ±17.50 50
±4.50 ±15.00 50
CFUCG
Attenuation Attenuation Insertion Input/Output
Model
Number
6dB
Bandwidth Bandwidth
(kHz) min (kHz@dB)
±100kHz
(dB) min
Loss
Impedance
(ohms)
(dB) max
CFUCG455D ±10.00 ±20.00 40
27
27
27
25
4
6
6
6
1500
1500
1500
1500
CFUCG455E
CFUCG455F
CFUCG455G
±7.50 ±15.00 40
±6.00 ±12.50 40
±4.50 ±10.00 40
Narrow band
CFUCG_X
Flat group delay
Model
Number
6dB
Bandwidth Bandwidth
(kHz) min (kHz@dB)
Attenuation Attenuation Insertion Input/Output
±100kHz
(dB) min
Loss
(dB) max
Impedance
(ohms)
CFUCG455EX ±7.50 ±17.50 40
CFUCG455FX ±6.00 ±15.00 40
CFUCG455GX ±4.50 ±12.50 40
CFUCG455HX ±3.00 ±10.00 40
27
27
25
25
6
6
6
7
1500
1500
1500
1500
SFGCG
Attenuation Attenuation Insertion Input/Output
Model
Number
6dB
Bandwidth Bandwidth
(kHz) min (kHz@dB)
±100kHz
(dB) min
Loss
Impedance
(ohms)
(dB) max
SFGCG455AX ±17.50 ±40.00 40
SFGCG455BX ±15.00 ±35.00 40
SFGCG455CX ±12.50 ±30.00 40
SFGCG455DX ±10.00 ±25.00 40
25
25
25
23
23
4
5
6
7
8
1000
1000
1000
1500
1500
SFGCG455EX
±7.50 ±20.00 40
Ordering Information
Model number
eg: CFUCG455D
SFGCG455DX
Suffix -TC denotes T&R (450pcs per reel)
eg: CFUCG455D-TC
Types with centre frequency 450kHz also available
For safety purposes, connect the output of filters to the IF
amplifier through a DC blocking capacitor. Avoid applying
a direct current to the output of ceramic filters
i
Tel: +44 1460 256 100
Fax: +44 1460 256 101
E-mail: sales@golledgeꢀcom
Web: wwwꢀgolledgeꢀcom
04 Feb 2005