Ceramic Filter
CFWLA
Features
«
«
«
«
High selectivity
Bandwidths from ±2ꢀ0kHz ~ 15ꢀ0kHz @ 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)
ͷ Suffix -B0 denotes bulk pack, 150pcs per box
ͷ Suffix -M0 denotes magazines - 50pcs per magazine
0.80
0.60
4.00
0.15
2.30
OUT
4.30
±0.3
GND
IN
1.20
ACTUAL SIZE
2.60 2.90 2.90
Scale 2:1
Standard Models
Murata
Global Part
Number
Old
Model
Number
Centre
6dB
50dB
Attenuation Insertion
Pass
Inband
Inband
Input/Output Operating
Frequency Bandwidth Bandwidth Fc ±100kHz
Loss
Band
Ripple GDT Deviation Impedance Temperature
Fc (kHz)
(kHz) min (db @ kHz)
(dB) min
(dB) max (kHz) (dB) max
(ms) max
(ohms)
Range (°C)
CFWLA450KDFA B0 CFWS450D
CFWLA450KEFA B0 CFWS450E
CFWLA450KFFA B0 CFWS450F
CFWLA450KGFA B0 CFWS450G
CFWLA450KHFA B0 CFWS450HT
CFWLA450KJFA B0 CFWS450IT
450.0
450.0
450.0
450.0
450.0
450.0
±10.00
±±.50
±ꢀ.00
±4.50
±3.00
±2.00
±20.00
±15.00
±12.50
±10.00
±9.00
35
35
35
35
ꢀ0
ꢀ0
4
ꢀ
ꢀ
ꢀ
ꢀ
±
±±.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
±±.50
CFWLA455KBFA B0 CFWS455B
CFWLA455KCFA B0 CFWS455C
CFWLA455KDFA B0 CFWS455D
CFWLA455KEFA B0 CFWS455E
CFWLA455KFFA B0 CFWS455F
CFWLA455KGFA B0 CFWS455G
CFWLA455KHFA B0 CFWS455HT
CFWLA455KJFA B0 CFWS455IT
455.0
455.0
455.0
455.0
455.0
455.0
455.0
455.0
±15.00
±12.50
±10.00
±±.50
±ꢀ.00
±4.50
±3.00
±2.00
±30.00
±24.00
±20.00
±15.00
±12.50
±10.00
±9.00
35
35
35
35
35
35
ꢀ0
ꢀ0
4
4
4
ꢀ
ꢀ
ꢀ
ꢀ
±
±10.0
±8.0
±±.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
±±.50
Flat Group Delay Models
Murata
Global Part
Number
Old
Model
Number
Centre
6dB
50dB
Attenuation Insertion
Pass
Inband
Inband
Input/Output Operating
Frequency Bandwidth Bandwidth Fc ±100kHz
Loss
Band
Ripple GDT Deviation Impedance Temperature
Fc (kHz)
(kHz) min (db @ kHz)
(dB) min
(dB) max (kHz) (dB) max
(ms) max
(ohms)
Range (°C)
CFWLA450KD1Y B0 CFWS450DY
CFWLA450KF1Y B0 CFWS450FY
CFWLA450KG1Y B0 CFWS450GY
450.0
450.0
450.0
±10.00
±ꢀ.00
±4.50
±25.00
±1±.50
±15.00
40
40
40
8
10
11
±±.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 CFWS455BY
CFWLA455KC4Y B0 CFWS455CY
CFWLA455KD1Y B0 CFWS455DY
CFWLA455KE1Y B0 CFWS455EY
CFWLA455KF1Y B0 CFWS455FY
CFWLA455KG1Y B0 CFWS455GY
455.0
455.0
455.0
455.0
455.0
455.0
±15.00
±12.50
±10.00
±±.50
±ꢀ.00
±4.50
±35.00
±30.00
±25.00
±20.00
±1±.50
±15.00
40
40
40
40
40
40
ꢀ
±
8
9
10
11
±10.0
±8.0
±±.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
Fax: +44 1460 256 101
E-mail: sales@golledgeꢀcom
Web: wwwꢀgolledgeꢀcom
04 Feb 2005