SM Ceramic Filters
CFUCG & SFGCG
CFU & CFW Flat Group Delay Models
Surface Mount Ceramic Filters
Model
Number
6dB
Attenuation Attenuation Insertion Input/Output
Bandwidth Bandwidth
100ꢀkH
Loss
Impedance
(ohms)
(ꢀkH) min
(ꢀkH@dB)
(dB) min
(dB) max
CFUS455BY
CFUS455CY
CFUS455DY
CFUS455EY
CFUS455FY
CFUS455GY
15.00
12.50
10.00
7.50
6.00
4.50
35.00 40
30.00 40
25.00 40
20.00 40
17.50 40
15.00 40
25
25
23
23
23
23
5
6
7
8
9
1500
1500
1500
1500
2000
2000
10
CFWS455BY
CFWS455CY
CFWS455DY
CFWS455EY
CFWS455FY
CFWS455GY
15.00
12.50
10.00
7.50
6.00
4.50
35.00 50
30.00 50
25.00 50
20.00 50
17.50 50
15.00 50
40
40
40
40
40
40
6
7
8
9
10
11
1500
1500
1500
1500
2000
2000
6.30
(max)
7.50
(max)
CFUM & CFWM Flat Group Delay Models
Model
Number
6dB
Attenuation Attenuation Insertion Input/Output
Bandwidth Bandwidth
100ꢀkH
Loss
Impedance
(ohms)
(ꢀkH) min
(ꢀkH@dB)
(dB) min
(dB) max
CFUM455BY
CFUM455CY
CFUM455DY
CFUM455EY
CFUM455FY
CFUM455GY
15.00
12.50
10.00
7.50
6.00
4.50
35.00 40
30.00 40
25.00 40
20.00 40
17.50 40
15.00 40
25
25
23
23
23
23
5
6
7
8
9
1500
1500
1500
1500
2000
2000
4.00
(max)
4.00
10
6.80
(max)
CFWM455BY
CFWM455CY
CFWM455DY
CFWM455EY
CFWM455FY
CFWM455GY
15.00
12.50
10.00
7.50
6.00
4.50
35.00 50
30.00 50
25.00 50
20.00 50
17.50 50
15.00 50
40
40
40
40
40
40
6
7
8
9
10
11
1500
1500
1500
1500
2000
2000
CFUCG
Attenuation Attenuation Insertion Input/Output
Model
Number
6dB
Bandwidth Bandwidth
100ꢀkH
Loss
Impedance
(ohms)
(ꢀkH) min
(ꢀkH@dB)
(dB) min
(dB) max
CFUCG455D
CFUCG455E
CFUCG455F
CFUCG455G
10.00
7.50
6.00
4.50
20.00 40
15.00 40
12.50 40
10.00 40
27
27
27
25
4
6
6
6
1500
1500
1500
1500
Narrow band
CFUCG_X
Flat group delay
Model
Number
6dB
Attenuation Attenuation Insertion Input/Output
Bandwidth Bandwidth
100ꢀkH
(dB) min
Loss
(dB) max
Impedance
(ohms)
(ꢀkH) min
(ꢀkH@dB)
CFUCG455EX
CFUCG455FX
CFUCG455GX
CFUCG455kX
7.50
6.00
4.50
3.00
17.50 40
15.00 40
12.50 40
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
100ꢀkH
Loss
Impedance
(ohms)
(ꢀkH) min
(ꢀkH@dB)
(dB) min
(dB) max
SFGCG455AX
SFGCG455BX
SFGCG455CX
SFGCG455DX 10.00
SFGCG455EX 7.50
17.50
15.00
12.50
40.00 40
35.00 40
30.00 40
25.00 40
20.00 40
25
25
25
23
23
4
5
6
7
8
1000
1000
1000
1500
1500
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@golledge.com
Web: www.golledge.com
08 Jun 1998