Ceramic Filter
CFULB
Features
«
«
«
«
High selectivity
Bandwidths from ±2ꢀ0kHz ~ 15ꢀ0kHz @ 6dB
Excellent GDT available for digital comms
Resin molded package for easy PCB mounting
Ordering Information
6.80
(max)
6.80
(max)
Global part number
eg: CFULB455KG1A B0
6.60
(max)
ͷ Suffix -B0 denotes bulk pack, 250pcs per box (standard)
ͷ Suffix -M0 denotes magazines - 80pcs per magazine.
0.70
0.50
3.50
0.15
1.50
IN
OUT
GND
4.30
±0.3
0.70
ACTUAL SIZE
2.50 2.60
Scale 2:1
Standard Models
Murata
Old
Centre
6dB
40dB
Attenuation Insertion
Pass
Inband
Inband
Input/Output Operating
Global Part
Model
Frequency Bandwidth Bandwidth Fc ±100kHz
Loss
Band
Ripple GDT Deviation Impedance Temperature
Number
Number
Fc (kHz)
(kHz) min (db @ kHz)
(dB) min
(dB) max (kHz) (dB) max
(ms) max
(ohms)
Range (°C)
CFULB455KB2A B0 CFUM455B
CFULB455KC2A B0 CFUM455C
CFULB455KD4A B0 CFUM455D
CFULB455KE4A B0 CFUM455E
455.0
455.0
455.0
455.0
455.0
455.0
455.0
455.0
±±5.00
±±2.50
±±0.00
±7.50
±6.00
±4.50
±ꢀ.00
±2.00
±ꢀ0.00
±24.00
±20.00
±±5.00
±±2.50
±±0.00
±ꢁ.00
27
27
27
27
27
25
ꢀ5
ꢀ5
4.0
4.0
4.0
6.0
6.0
6.0
6.0
6.0
±±0.0
±8.0
±7.0
±5.0
±4.0
±ꢀ.0
±2.0
±±.5
ꢀ.0
ꢀ.0
2.0
±.5
±.5
±.5
±.5
±.5
±500
±500
±500
±500
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
CFULB455KF4A B0
CFUM455F
CFULB455KG1A B0 CFUM455G
CFULB455KH1A B0 CFUM455H
CFULB455KJ1A B0
CFUM455I
±7.50
Flat Group Delay Models
Murata
Global Part
Number
Old
Model
Number
Centre
6dB
40dB
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)
CFULB455KB4Y B0 CFUM455BY
CFULB455KC4Y B0 CFUM455CY
CFULB455KD1Y B0 CFUM455DY
455.0
455.0
455.0
455.0
455.0
455.0
±±5.00
±±2.50
±±0.00
±7.50
±6.00
±4.50
±ꢀ5.00
±ꢀ0.00
±25.00
±20.00
±±7.50
±±5.00
25
25
2ꢀ
2ꢀ
2ꢀ
2ꢀ
5.0
6.0
7.0
8.0
ꢁ.0
±±0.0
±8.0
±7.0
±5.0
±4.0
±ꢀ.0
±.0
±.0
±.0
±.0
±.0
±.0
±5
±5
20
20
20
20
±500
±500
±500
±500
2000
2000
-20 to +80
-20 to +80
-20 to +80
-20 to +80
-20 to +80
-20 to +80
CFULB455KE1Y B0
CFULB455KF1Y B0
CFUM455EY
CFUM455FY
CFULB455KG1Y B0 CFUM455GY
±0.0
ͷ Connect the output to the IF amplifier through a DC blocking
capacitor
ͷ Avoid applying direct current to the output of ceramic filters
ͷ All models offer a storage temperature range of -40 to +85°C
Tel: +44 1460 256 100
Fax: +44 1460 256 101
E-mail: sales@golledgeꢀcom
Web: wwwꢀgolledgeꢀcom
04 Feb 2005