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! Note ? Please read rating and ! CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
? This catalog has only typical speci?cations. Therefore, please approve our product speci?cations or transact the approval sheet for product speci?cations before ordering.
CERAFIL r (CERAFIL r 2.3-6.5MHz) for Audio/Visual Equipment
4.5-6.5MHz Chip Type SFSKA Series
SMD ceramic ?lter SFSKA_CF is a small and thin SMD
?lter sealed with a metal cap.
P50E.pdf
Sep.19,2012
Recommended for LCD-TVs, and small and thin tuners.
7.9±0.2
1.8±0.2
3.0±0.1
c Features
1. High attenuation outside bandwidth
2. Small and thin package
3. Re?ow-solderable
0.6±0.2
8.5±0.2
1.0±0.1
0.5±0.1
1.3±0.2
0.3±0.1
3.8±0.2
(1) : Input
(1)
(2)
(3)
1.3±0.2
(2) : Ground
(3) : Output
(in mm)
2.5±0.2 2.5±0.2
Nominal Center
3dB
20dB
Insertion
Spurious
Spurious
Input/Output
Part Number
SFSKA4M50CF00-R3
SFSKA5M50CF00-R3
SFSKA6M00CF00-R3
SFSKA6M50CF00-R3
Frequency (fn)
(MHz)
4.500
5.500
6.000
6.500
Bandwidth
(kHz)
fn±60 min.
fn±60 min.
fn±60 min.
fn±60 min.
Bandwidth
(kHz)
600 max.
600 max.
600 max.
600 max.
Loss
(dB)
6.0 max.
6.0 max.
6.0 max.
6.0 max.
Attenuation(1)
(dB)
20 min.
[within 0 to fn]
25 min.
[within 0 to fn]
25 min.
[within 0 to fn]
25 min.
[within 0 to fn]
Attenuation(2)
(dB)
15 min.
[within fn to 7.0MHz]
15 min.
[within fn to 7.0MHz]
15 min.
[within fn to 7.5MHz]
15 min.
[within fn to 8.5MHz]
Impedance
(ohm)
1000
600
470
470
Area of Insertion Loss: at minimum loss point
For safety purposes, connect the output of ?lters to the IF ampli?er through a D.C. blocking capacitor. Avoid applying a direct current to the output of ceramic ?lters.
The order quantity should be an integral multiple of the "Minimum Quantity" shown in the package page.
9
c Standard Land Pattern Dimensions
c Test Circuit
SFSKA4M50CF00-R3
1.0
1.5
1.0
1.5
1.0
(1) (2) (3)
R1
Rg
RF
E1
R2
C2
E2
Voltmeter
S.S.G.
(in mm)
R1+Rg=R2=1000 Ω ±5%, Rg=50 Ω
C2=10pF (Including stray capacitance and Input capacitance of RF Voltmeter)
E1:S.S.G. Output voltage
(1) : Input
(2) : Ground
(3) : Output
Continued on the following page.
31
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