Ceramic Filter
CFWLB
Features
«
«
«
«
High selectivity
Bandwidths from ±2ꢀ0kHz ~ 15ꢀ0kHz @ 6dB
Excellent GDT available for digital comms
Resin molded package for easy PCB mounting
Ordering Information
9.80
(max)
6.80
(max)
Global part number
eg: CFWLB455KEFA B0
6.60
ͷ Suffix -B0 denotes bulk pack, 150pcs per box
ͷ Suffix -M0 denotes magazines - 50pcs per magazine
(max)
0.70
0.50
3.50
0.15
1.60
IN
OUT
GND
4.30
±0.3
0.70
ACTUAL SIZE
2.50 2.70 2.80
Scale 2:1
Standard Models
Murata
Old
Model
Number
Centre
6dB
50dB
Attenuation Insertion
Pass
Inband
Inband
Input/Output Operating
Global Part
Frequency Bandwidth Bandwidth Fc ±100kHz
Loss
Band
Ripple GDT Deviation Impedance Temperature
Number
Fc (kHz)
(kHz) min (db @ kHz)
(dB) min
(dB) max (kHz) (dB) max
(ms) max
(ohms)
Range (°C)
CFWLB455KBFA B0 CFWM455B
CFWLB455KCFA B0 CFWM455C
CFWLB455KDFA B0 CFWM455D
CFWLB455KEFA B0 CFWM455E
CFWLB455KFFA B0 CFWM455F
CFWLB455KGFA B0 CFWM455G
CFWLB455KHFA B0 CFWM455H
455.0
455.0
455.0
455.0
455.0
455.0
455.0
455.0
±15.00
±12.50
±10.00
±ꢀ.50
±6.00
±4.50
±±.00
±2.00
±±0.00
±24.00
±20.00
±15.00
±12.50
±10.00
±9.00
±5
±5
±5
±5
±5
±5
55
55
4
4
4
6
6
6
6
ꢀ
±10.0
±8.0
±ꢀ.0
±5.0
±4.0
±±.0
±2.0
±1.5
±.0
±.0
±.0
±.0
±.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
CFWLB455KJFA B0
CFWM455I
±ꢀ.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)
CFWLB455KB4Y B0 CFWM455BY
CFWLB455KC4Y B0 CFWM455CY
CFWLB455KD1Y B0 CFWM455DY
CFWLB455KE1Y B0 CFWM455EY
CFWLB455KF1Y B0 CFWM455FY
CFWLB455KG1Y B0 CFWM455GY
455.0
455.0
455.0
455.0
455.0
455.0
±15.00
±12.50
±10.00
±ꢀ.50
±6.00
±4.50
±±0.00
±2ꢀ.50
±25.00
±20.00
±1ꢀ.50
±15.00
40
40
40
40
40
40
6
ꢀ
8
9
10
11
±10.0
±8.0
±ꢀ.0
±5.0
±4.0
±±.0
1.0
1.0
1.0
1.0
1.0
1.0
±0
±0
±0
±0
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