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CFULB455KC2A-B0 Datasheet(PDF) 11 Page - Murata Manufacturing Co., Ltd.

Part # CFULB455KC2A-B0
Description  Ceramic Filters (CERAFIL짰)/Ceramic Discriminators for Communications Equipment
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Manufacturer  MURATA [Murata Manufacturing Co., Ltd.]
Direct Link  http://www.murata.com
Logo MURATA - Murata Manufacturing Co., Ltd.

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!Note • Please read rating and !CAUTION (for storage and operating, rating, soldering and mounting, handling) in this catalog to prevent smoking and/or burning, etc.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specification or transact the approval sheet for product specification before ordering.
Ceramic Filters (CERAFILr)/Ceramic Discriminators for Communications Equipment
CERAFILr Plastic Case Group Delay Flat Type CFWLA_Y Series
CFWLA_Y series are high selectivity ceramic filters,
which consist of 6 ceramic elements connected in a
ladder form.
Most suitable for digital communications and mobile
telephones because of their improved GDT
characteristics.
s Features
1. High selectivity.
2. A variety of bandwidths are available.
3. Excellent GDT characteristics are available within
pass bandwidth.
4. Easily mounted on a printed circuit board
5. Operating temperature range : -20 to +80 (degree C)
Storage temperature range : -40 to +85 (degree C)
0.15
2.3
±0.3
2.0
±0.3
2.9
±0.3
11.0
±0.5
1.2
±0.5
(1)
(2)
(4) (3)
(5)
0.6
±0.1
0.8
±0.1
2.6
±0.3
2.9
2.9—
—0.3
0.3
2.9
±0.3
Type
CFWLA455KB4Y-B0
CFWLA455KC4Y-B0
CFWLA455KD1Y-B0
CFWLA455KE1Y-B0
CFWLA455KF1Y-B0
CFWLA455KG1Y-B0
Marking
BY
CY
DY
EY
FY
GY
Connection
(1) : Input
(2)
(3) : Ground
(4)
(5) : Output
(in mm)
}
MARKING
EIAJ
CODE
Part Number
Center
Frequency (fo)
(kHz)
6dB
Bandwidth
(kHz)
Stop
Bandwidth
(kHz)
Stop Band
Attenuation
(dB)
Insertion
Loss
(dB)
GDT Deviation
(
µs)
Input/Output
Impedance
(ohm)
CFWLA455KB4Y-B0
455.0
±1.5kHz
fn
±15.0
min.
fn
±35.0 max.
[within 50dB]
40 min.
[within fn
±100kHz]
6.0 max.
[at minimum loss point]
30.0 max.
[within fn
±10kHz]
1500
CFWLA455KC4Y-B0
455.0
±1.5kHz
fn
±12.5
min.
fn
±30.0 max.
[within 50dB]
40 min.
[within fn
±100kHz]
7.0 max.
[at minimum loss point]
30.0 max.
[within fn
±8kHz]
1500
CFWLA455KD1Y-B0
455.0
±1.0kHz
fn
±10.0
min.
fn
±25.0 max.
[within 50dB]
40 min.
[within fn
±100kHz]
8.0 max.
[at minimum loss point]
30.0 max.
[within fn
±7kHz]
1500
CFWLA455KE1Y-B0
455.0
±1.0kHz
fn
±7.5
min.
fn
±20.0 max.
[within 50dB]
40 min.
[within fn
±100kHz]
9.0 max.
[at minimum loss point]
30.0 max.
[within fn
±5kHz]
1500
CFWLA455KF1Y-B0
455.0
±1.0kHz
fn
±6.0
min.
fn
±17.5 max.
[within 50dB]
40 min.
[within fn
±100kHz]
10.0 max.
[at minimum loss point]
40.0 max.
[within fn
±4kHz]
2000
CFWLA455KG1Y-B0
455.0
±1.0kHz
fn
±4.5
min.
fn
±15.0 max.
[within 50dB]
40 min.
[within fn
±100kHz]
11.0 max.
[at minimum loss point]
40.0 max.
[within fn
±3kHz]
2000
For safety purposes, connect the output of filters to the IF amplifier through a D.C. blocking capacitor. Avoid applying a direct current to the output of ceramic filters.
(fn) means nominal center frequency 455kHz.
The order quantity should be an integral multiple of the "Minimum Quantity" shown in package page in this catalog.
s Test Circuit
E1
R1
R2
E2
RF Voltmeter
Connection
(1) : Input
(5) : Output
(2)(3)(4) : Ground
Rg
S.S.G.
0dBm
(1) (2) (3) (4)
(5)
Rg+R1=R2=Input/Output Impedance
Please read rating and !CAUTION (for storage and operating, rating, soldering and mounting, handling) in this PDF catalog to prevent smoking and/or burning, etc.
This catalog has only typical specifications. Therefore, you are requested to approve our product specification or to transact the approval sheet for product specificaion before ordering.
!Note
P05E11.pdf 02.9.2


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