Ceramic Filters
CFU Dimensions
8.00
7.00
6.50
CFU & CFW
CFUM Dimensions
6.50
8.00
6.30
0.80
4.00
0.20
0.15
0.60
3.30
OUT
4.30
IN
1.20
2.70
GND
GND
IN
OUT
4.30
1.50
3.50
0.50
0.70
ACTUAL SIZE
Scale 2:1
0.70
2.50 2.60
ACTUAL SIZE
Scale 2:1
CFWS Dimensions
11.00
7.00
CFWM Dimensions
9.50
6.50
8.50
6.30
0.80
4.00
0.20
0.60
2.30
3.50
0.50
0.70
0.15
1.60
OUT
IN
1.20
2.60
2.90
2.90
GND
4.30
IN
OUT
GND
4.30
ACTUAL SIZE
Scale 2:1
0.90
2.50 2.70 2.80
ACTUAL SIZE
Scale 2:1
CFU & CFWS Specifications
Model
Number
6dB
Attenuation Attenuation Insertion Input/Output
Bandwidth Bandwidth
±100kHz
Loss
Impedance
(kHz) min (kHz@dB)
(dB) min (dB) max
(ohms)
CFUM & CFWM Specifications
Model
Number
6dB
Attenuation Attenuation Insertion Input/Output
Bandwidth Bandwidth
±100kHz
Loss
Impedance
(kHz) min (kHz@dB)
(dB) min (dB) max
(ohms)
CFU455B2
CFU455C2
CFU455D2
CFU455E2
CFU455F2
CFU455G2
CFU455HT
CFU455IT
CFWS455B
CFWS455C
CFWS455D
CFWS455E
CFWS455F
CFWS455G
CFWS455HT
CFWS455IT
±15.00
±12.50
±10.00
±7.50
±6.00
±4.50
±3.00
±2.00
±15.00
±12.50
±10.00
±7.50
±6.00
±4.50
±3.00
±2.00
±30.00
±24.00
±20.00
±15.00
±12.50
±10.00
±9.00
±7.50
±30.00
±24.00
±20.00
±15.00
±12.50
±10.00
±9.00
±7.50
40
40
40
40
40
40
40
40
50
50
50
50
50
50
50
50
27
27
27
27
27
25
35
35
35
35
35
35
35
35
60
60
4
4
4
6
6
6
6
6
4
4
4
6
6
6
6
7
1500
1500
1500
1500
2000
2000
2000
2000
1500
1500
1500
1500
2000
2000
2000
2000
CFUM455B
CFUM455C
CFUM455D
CFUM455E
CFUM455F
CFUM455G
CFUM455H
CFUM455I
CFWM455B
CFWM455C
CFWM455D
CFWM455E
CFWM455F
CFWM455G
CFWM455H
CFWM455I
±15.00
±12.50
±10.00
±7.50
±6.00
±4.50
±3.00
±2.00
±15.00
±12.50
±10.00
±7.50
±6.00
±4.50
±3.00
±2.00
±30.00
±24.00
±20.00
±15.00
±12.50
±10.00
±9.00
±7.50
±30.00
±24.00
±20.00
±15.00
±12.50
±10.00
±9.00
±7.50
40
40
40
40
40
40
40
40
50
50
50
50
50
50
50
50
27
27
27
27
27
25
35
35
35
35
35
35
35
35
55
55
4
4
4
6
6
6
6
7
4
4
4
6
6
6
6
7
1500
1500
1500
1500
2000
2000
2000
2000
1500
1500
1500
1500
2000
2000
2000
2000
Tel:
+44 1460 256 100
08 Jun 1998
Fax:
+44 1460 256 101
E-mail:
sales@golledge.com
Web:
www.golledge.com
SM Ceramic Filters
CFU & CFW Flat Group Delay Models
Model
Number
6dB
Attenuation Attenuation Insertion Input/Output
Bandwidth Bandwidth ±100kHz
Loss
Impedance
(kHz) min (kHz@dB)
(dB) min
(dB) max
(ohms)
CFUCG & SFGCG
Surface Mount Ceramic Filters
CFUS455BY
CFUS455CY
CFUS455DY
CFUS455EY
CFUS455FY
CFUS455GY
CFWS455BY
CFWS455CY
CFWS455DY
CFWS455EY
CFWS455FY
CFWS455GY
±15.00
±12.50
±10.00
±7.50
±6.00
±4.50
±15.00
±12.50
±10.00
±7.50
±6.00
±4.50
±35.00
±30.00
±25.00
±20.00
±17.50
±15.00
±35.00
±30.00
±25.00
±20.00
±17.50
±15.00
40
40
40
40
40
40
50
50
50
50
50
50
25
25
23
23
23
23
40
40
40
40
40
40
5
6
7
8
9
10
6
7
8
9
10
11
1500
1500
1500
1500
2000
2000
1500
1500
1500
1500
2000
2000
6.30
(max)
CFUM & CFWM Flat Group Delay Models
Model
Number
6dB
Attenuation Attenuation Insertion Input/Output
Bandwidth Bandwidth ±100kHz
Loss
Impedance
(kHz) min
(kHz@dB)
(dB) min
(dB) max
(ohms)
7.50
(max)
CFUM455BY
CFUM455CY
CFUM455DY
CFUM455EY
CFUM455FY
CFUM455GY
CFWM455BY
CFWM455CY
CFWM455DY
CFWM455EY
CFWM455FY
CFWM455GY
±15.00
±12.50
±10.00
±7.50
±6.00
±4.50
±15.00
±12.50
±10.00
±7.50
±6.00
±4.50
±35.00
±30.00
±25.00
±20.00
±17.50
±15.00
±35.00
±30.00
±25.00
±20.00
±17.50
±15.00
40
40
40
40
40
40
50
50
50
50
50
50
25
25
23
23
23
23
40
40
40
40
40
40
5
6
7
8
9
10
6
7
8
9
10
11
1500
1500
1500
1500
2000
2000
1500
1500
1500
1500
2000
2000
4.00
(max)
4.00
6.80
(max)
CFUCG
Model
Number
6dB
Attenuation Attenuation Insertion Input/Output
Bandwidth Bandwidth ±100kHz
Loss
Impedance
(kHz) min (kHz@dB)
(dB) min
(dB) max
(ohms)
CFUCG455D
CFUCG455E
CFUCG455F
CFUCG455G
±10.00
±7.50
±6.00
±4.50
±20.00
±15.00
±12.50
±10.00
40
40
40
40
27
27
27
25
4
6
6
6
1500
1500
1500
1500
Narrow band
Flat group delay
CFUCG_X
Model
Number
6dB
Attenuation Attenuation Insertion Input/Output
Bandwidth Bandwidth ±100kHz
Loss
Impedance
(kHz) min (kHz@dB)
(dB) min
(dB) max
(ohms)
CFUCG455EX
CFUCG455FX
CFUCG455GX
CFUCG455HX
±7.50
±6.00
±4.50
±3.00
±17.50
±15.00
±12.50
±10.00
40
40
40
40
27
27
25
25
6
6
6
7
1500
1500
1500
1500
SFGCG
Model
Number
6dB
Attenuation Attenuation Insertion Input/Output
Bandwidth Bandwidth ±100kHz
Loss
Impedance
(kHz) min (kHz@dB)
(dB) min
(dB) max
(ohms)
SFGCG455AX
SFGCG455BX
SFGCG455CX
SFGCG455DX
SFGCG455EX
±17.50
±15.00
±12.50
±10.00
±7.50
±40.00
±35.00
±30.00
±25.00
±20.00
40
40
40
40
40
25
25
25
23
23
4
5
6
7
8
1000
1000
1000
1500
1500
Ordering Information
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
08 Jun 1998
Model number
eg:
CFUCG455D
SFGCG455DX
Suffix -TC denotes T&R (450pcs per reel)
eg:
CFUCG455D-TC
Web:
www.golledge.com
Tel:
+44 1460 256 100
Fax:
+44 1460 256 101
E-mail:
sales@golledge.com
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