Surface Mount kHz Band Ceramic Filters
PBFS Series
Features
1) Small and low profile
2) Excellent anti-shock performance
3) Reflow solder compatible
4) Taped for automatic placement
How to Order
PBFS 455 P 15 D R
1
2
3
4
5
6
1
2
Model: PBFS
Center frequency
Test Circuit
450
455
450kHz
455kHz
3
4
Number of ceramic elements
4-element
R1
S.S.G.
Rg
P
C
R2
(Standard
Signal
R.F.V.M.
(Radio Frequency
Voltage Meter)
Generator)
Passband width (at 6dB)
# Elements Total Bandwidth, kHz
R1+Rg=R2=input/output impedance rating
C≤50pF (including tool strays, wiring capacitance
and RFVM input capacitance)
4-element
30, 25, 20, 15, 12, 9, 6, 4
5
Group Delay Time
Available Bandwidth, kHz
20, 15, 12, 9, 6, 4
30, 25, 20
D
K
Standard Group Delay
Controlled Group Delay
6
Packaging: R=Tape and reel (1,000 pcs. per reel)
Dimensions
Reflow Profile
300
Temp.
Pre-Heating
(°C)
1.0±0.1 1.0±0.1 1.0±0.1
250
230°C
(1) Input
(2) Gnd
(3) Output
200
150
100
50
2.0
2.0
1.0
6.0
(3)
(2)
(1)
0
Time
Units: mm
Tolerance: ±0.3 unless shown otherwise
60 sec.
60 sec.
20 sec.
MAX
Specifications (450kHz available with same characteristics)
Center
Group
Delay
Time
I
nput/Output
Matching
Impedance
Passband Width
Insertion
Loss
Operating
Temperature
Frequency
Part No.
Ripple
Attenuation
(fo)
6dB
40dB
PBFS455P20D
PBFS455P15D
PBFS455P12D
PBFS455P9D
PBFS455P6D
PBFS455P4D
PBFS455P30K
PBFS455P25K
PBFS455P20K
±10.0kHz min.
±7.5kHz min.
±6.0kHz min.
±4.5kHz min.
±3.0kHz min.
±2.0kHz min.
±15.0kHz min.
±12.5kHz min.
±10.0kHz min.
±20.0kHz max.
±15.0kHz max.
±12.5kHz max.
±11.0kHz max.
±9.0kHz max.
±7.5kHz max.
±35.0kHz max.
±30.0kHz max.
±25.0kHz max.
455kHz
±1.5kHz
—
1.5kΩ
1.0kΩ
2dB max.
-20°C
to +80°C
25dB min.
6dB max.
455kHz
±1.0kHz
15µSec max. at 455kHz
±10kHz
455kHz
±1.5kHz
15µSec max. at 455kHz
±8kHz
30µSec max. at 455kHz
±7kHz
1dB max.
6