Datasheet

Ceramic Filter
CFWLA
Features




Bandwidths from ±2.0kHz ~ 15.0kHz @ 6dB
Excellent GDT available for digital comms
Resin molded package for easy PCB mounting
Ordering Information
7.50
(max)
11.50
(max)
High selectivity
Global part number
eg: CFWLA455KGFA-B0
 Suffix -B0 denotes bulk pack, 150pcs per box
 Suffix -M0 denotes magazines - 50pcs per magazine
8.0
(max)
0.80
4.00
0.15
0.60
2.30
OUT
4.30
±0.3
GND
IN
1.20
2.60
2.90
2.90
Standard Models
Murata
Global Part
Number
Old
Model
Number
Centre
6dB
Frequency Bandwidth
Fc (kHz)
(kHz) min
50dB
Attenuation Insertion
Bandwidth Fc ±100kHz
Loss
(db @ kHz)
(dB) min
(dB) max
Pass
Band
(kHz)
Inband
Inband
Ripple GDT Deviation
(dB) max
(μs) max
Input/Output
Impedance
(ohms)
Operating
Temperature
Range (°C)
CFWLA450KDFA-B0
CFWLA450KEFA-B0
CFWLA450KFFA-B0
CFWLA450KGFA-B0
CFWLA450KHFA-B0
CFWLA450KJFA-B0
CFWS450D
CFWS450E
CFWS450F
CFWS450G
CFWS450HT
CFWS450IT
450.0
450.0
450.0
450.0
450.0
450.0
±10.00
±7.50
±6.00
±4.50
±3.00
±2.00
±20.00
±15.00
±12.50
±10.00
±9.00
±7.50
35
35
35
35
60
60
4
6
6
6
6
7
±7.0
±5.0
±4.0
±3.0
±2.0
±1.5
3.0
3.0
3.0
2.0
2.0
2.0
1500
1500
2000
2000
2000
2000
-20 to +80
-20 to +80
-20 to +80
-20 to +80
-20 to +80
-20 to +80
CFWLA455KBFA-B0
CFWLA455KCFA-B0
CFWLA455KDFA-B0
CFWLA455KEFA-B0
CFWLA455KFFA-B0
CFWLA455KGFA-B0
CFWLA455KHFA-B0
CFWLA455KJFA-B0
CFWS455B
CFWS455C
CFWS455D
CFWS455E
CFWS455F
CFWS455G
CFWS455HT
CFWS455IT
455.0
455.0
455.0
455.0
455.0
455.0
455.0
455.0
±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
35
35
35
35
35
35
60
60
4
4
4
6
6
6
6
7
±10.0
±8.0
±7.0
±5.0
±4.0
±3.0
±2.0
±1.5
3.0
3.0
3.0
3.0
3.0
2.0
2.0
2.0
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
Input/Output
Impedance
(ohms)
Operating
Temperature
Range (°C)
Flat Group Delay Models
Murata
Global Part
Number
Old
Model
Number
Centre
6dB
Frequency Bandwidth
Fc (kHz)
(kHz) min
50dB
Attenuation Insertion
Bandwidth Fc ±100kHz
Loss
(db @ kHz)
(dB) min
(dB) max
Pass
Band
(kHz)
Inband
Inband
Ripple GDT Deviation
(dB) max
(μs) max
CFWLA450KD1Y-B0
CFWLA450KF1Y-B0
CFWLA450KG1Y-B0
CFWS450DY
CFWS450FY
CFWS450GY
450.0
450.0
450.0
±10.00
±6.00
±4.50
±25.00
±17.50
±15.00
40
40
40
8
10
11
±7.0
±4.0
±3.0
1.0
1.0
1.0
30
40
40
1500
2000
2000
-20 to +80
-20 to +80
-20 to +80
CFWLA455KB4Y-B0
CFWLA455KC4Y-B0
CFWLA455KD1Y-B0
CFWLA455KE1Y-B0
CFWLA455KF1Y-B0
CFWLA455KG1Y-B0
CFWS455BY
CFWS455CY
CFWS455DY
CFWS455EY
CFWS455FY
CFWS455GY
455.0
455.0
455.0
455.0
455.0
455.0
±15.00
±12.50
±10.00
±7.50
±6.00
±4.50
±35.00
±30.00
±25.00
±20.00
±17.50
±15.00
40
40
40
40
40
40
6
7
8
9
10
11
±10.0
±8.0
±7.0
±5.0
±4.0
±3.0
1.0
1.0
1.0
1.0
1.0
1.0
30
30
30
30
40
40
1500
1500
1500
1500
2000
2000
-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