CFWLB Datasheet, PDF (1/1 Pages) Golledge Electronics Ltd – Ceramic Filter

Ceramic Filter
CFWLB
Features
« High selectivity
« Bandwidths from ±2.0kHz ~ 15.0kHz @ 6dB
« Excellent GDT available for digital comms
« Resin molded package for easy PCB mounting
9.80
(max)
6.60
(max)
0.15
3.50
1.60
IN
OUT
4.30
GND
±0.3
0.70
2.50 2.70 2.80
Ordering Information
6.80
(max)
Global part number
eg: CFWLB455KEFA-B0
Í· Suffix -B0 denotes bulk pack, 150pcs per box
0.70
Í· Suffix -M0 denotes magazines - 50pcs per magazine
0.50
ACTUAL SIZE
Scale 2:1
Standard Models
Murata
Global Part
Number
CFWLB455KBFA-B0
CFWLB455KCFA-B0
CFWLB455KDFA-B0
CFWLB455KEFA-B0
CFWLB455KFFA-B0
CFWLB455KGFA-B0
CFWLB455KHFA-B0
CFWLB455KJFA-B0
Old
Model
Number
CFWM455B
CFWM455C
CFWM455D
CFWM455E
CFWM455F
CFWM455G
CFWM455H
CFWM455I
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)
455.0 ±15.00 ±30.00
35
455.0 ±12.50 ±24.00
35
455.0 ±10.00 ±20.00
35
455.0 ±7.50 ±15.00
35
455.0 ±6.00 ±12.50
35
455.0 ±4.50 ±10.00
35
455.0 ±3.00 ±9.00
55
455.0 ±2.00 ±7.50
55
4 ±10.0 3.0
4 ±8.0 3.0
4 ±7.0 3.0
6 ±5.0 3.0
6 ±4.0 3.0
6 ±3.0 2.0
6 ±2.0 2.0
7 ±1.5 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
Flat Group Delay Models
Murata
Global Part
Number
CFWLB455KB4Y-B0
CFWLB455KC4Y-B0
CFWLB455KD1Y-B0
CFWLB455KE1Y-B0
CFWLB455KF1Y-B0
CFWLB455KG1Y-B0
Old
Model
Number
CFWM455BY
CFWM455CY
CFWM455DY
CFWM455EY
CFWM455FY
CFWM455GY
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)
455.0 ±15.00 ±30.00
40
6 ±10.0 1.0
30
455.0 ±12.50 ±27.50
40
7 ±8.0 1.0
30
455.0 ±10.00 ±25.00
40
8 ±7.0 1.0
30
455.0 ±7.50 ±20.00
40
9 ±5.0 1.0
30
455.0 ±6.00 ±17.50
40
10 ±4.0 1.0
40
455.0 ±4.50 ±15.00
40
11 ±3.0 1.0
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: [phone]
04 Feb 2005
Fax: [phone]
E-mail: [e-mail]
Web: www.golledge.com