Ceramic Filter
Features
CFWLA
«
«
«
«
High selectivity
Bandwidths from ±2.0kHz ~ 15.0kHz @ 6dB
Excellent GDT available for digital comms
Resin molded package for easy PCB mounting
11.50
(max)
7.50
(max)
Ordering Information
Global part number
eg:
CFWLA455KGFA B0
8.0
(max)
0.80
0.15
4.00
0.60
2.30
OUT
IN
1.20
2.60
2.90
2.90
GND
4.30
±0.3
Suffix -B0 denotes bulk pack, 150pcs per box
Suffix -M0 denotes magazines - 50pcs per magazine
ACTUAL SIZE
Scale 2:1
Standard Models
Murata
Global Part
Number
Old
Model
Number
Centre
6dB
50dB
Attenuation Insertion
Frequency Bandwidth Bandwidth Fc ±100kHz
Loss
Fc (kHz) (kHz) min (db @ kHz) (dB) min (dB) max
Pass
Band
(kHz)
Inband
Inband
Input/Output Operating
Ripple GDT Deviation Impedance Temperature
m
(dB) max
(ms) max
(ohms)
Range (°C)
CFWLA450KDFA B0
CFWLA450KEFA B0
CFWLA450KFFA B0
CFWLA450KGFA B0
CFWLA450KHFA B0
CFWLA450KJFA B0
CFWLA455KBFA B0
CFWLA455KCFA B0
CFWLA455KDFA B0
CFWLA455KEFA B0
CFWLA455KFFA B0
CFWLA455KGFA B0
CFWLA455KHFA B0
CFWLA455KJFA B0
CFWS450D
CFWS450E
CFWS450F
CFWS450G
CFWS450HT
CFWS450IT
CFWS455B
CFWS455C
CFWS455D
CFWS455E
CFWS455F
CFWS455G
CFWS455HT
CFWS455IT
450.0
450.0
450.0
450.0
450.0
450.0
455.0
455.0
455.0
455.0
455.0
455.0
455.0
455.0
±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
±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
35
35
35
35
60
60
35
35
35
35
35
35
60
60
4
6
6
6
6
7
4
4
4
6
6
6
6
7
±7.0
±5.0
±4.0
±3.0
±2.0
±1.5
±10.0
±8.0
±7.0
±5.0
±4.0
±3.0
±2.0
±1.5
3.0
3.0
3.0
2.0
2.0
2.0
3.0
3.0
3.0
3.0
3.0
2.0
2.0
2.0
1500
1500
2000
2000
2000
2000
1500
1500
1500
1500
2000
2000
2000
2000
-20 to +80
-20 to +80
-20 to +80
-20 to +80
-20 to +80
-20 to +80
-20 to +80
-20 to +80
-20 to +80
-20 to +80
-20 to +80
-20 to +80
-20 to +80
-20 to +80
Flat Group Delay Models
Murata
Global Part
Number
Old
Model
Number
Centre
6dB
50dB
Attenuation Insertion
Frequency Bandwidth Bandwidth Fc ±100kHz
Loss
Fc (kHz) (kHz) min (db @ kHz) (dB) min (dB) max
Pass
Band
(kHz)
Inband
Inband
Input/Output Operating
Ripple GDT Deviation Impedance Temperature
m
(dB) max
(ms) max
(ohms)
Range (°C)
CFWLA450KD1Y B0
CFWLA450KF1Y B0
CFWLA450KG1Y B0
CFWLA455KB4Y B0
CFWLA455KC4Y B0
CFWLA455KD1Y B0
CFWLA455KE1Y B0
CFWLA455KF1Y B0
CFWLA455KG1Y B0
CFWS450DY
CFWS450FY
CFWS450GY
CFWS455BY
CFWS455CY
CFWS455DY
CFWS455EY
CFWS455FY
CFWS455GY
450.0
450.0
450.0
455.0
455.0
455.0
455.0
455.0
455.0
±10.00
±6.00
±4.50
±15.00
±12.50
±10.00
±7.50
±6.00
±4.50
±25.00
±17.50
±15.00
±35.00
±30.00
±25.00
±20.00
±17.50
±15.00
40
40
40
40
40
40
40
40
40
8
10
11
6
7
8
9
10
11
±7.0
±4.0
±3.0
±10.0
±8.0
±7.0
±5.0
±4.0
±3.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
30
40
40
30
30
30
30
40
40
1500
2000
2000
1500
1500
1500
1500
2000
2000
-20 to +80
-20 to +80
-20 to +80
-20 to +80
-20 to +80
-20 to +80
-20 to +80
-20 to +80
-20 to +80
Tel:
+44 1460 256 100
04 Feb 2005
Fax:
+44 1460 256 101
E-mail:
sales@golledge.com
Web:
www.golledge.com
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