Ceramic
Low Pass Filter
DC to 3000 MHz
LFCN-3000
Maximum Ratings
OperatingTemperature
StorageTemperature
Features
• excellent power handling, 10W
• small size
-55°C to 100°C
-55°C to 100°C
CASESTYLE:FV1206
• 7 sections
• temperature stable
• patent pending
RF Power Input*
10W max. at 25°C
Model
Price
Qty.
(10-49)
(10-49)
LFCN-3000
$1.99
DC Current Input to Output 0.5A max. at 25°C
LFCN-3000D $2.49
*Passband rating, derate linearly to 3.5W at 100°C ambient.
Applications
• harmonic rejection
• VHF/UHF transmitters/receivers
• lab use
Pin Connections
RF IN
1**
3**
2,4
RF OUT
Low Pass Filter Electrical Specifications1 (TAMB=25°C)
GROUND
**RF IN & RF OUT can be interchanged
PASSBAND
(MHz)
(loss < 1 dB)
fco, MHz
Nom.
(loss 3 dB)
STOP BAND (MHz)
(loss, dB)
VSWR (:1)
NO. OF
SECTIONS
MODEL
NO.
Outline Drawing
f 20
30
fr 20
Stopband Passband
Typ.
Min.
Typ.
Typ.
Typ.
Typ.
Max.
LFCN-3000
DC-3000
3600
4550
4780-7500
10000
20
1.2
7
1. For Applications requiring DC voltage to be applied to the Input or output, use LFCN-3000D (DC Resistance to
ground is 100 Mohms min.)
typical frequency response
schematic
RF IN
RF OUT
40dB
20dB
3dB
1dB
f co
f 20
fR 20 dB
FREQUENCY
Typical Performance Data at 25°C
Frequency
(MHz)
InsertionLoss
(dB)
VSWR
(:1)
50
1000
0.03
0.29
1.01
1.23
1500
0.40
1.34
3000
0.77
1.15
3600
2.96
3.08
4480
4780
5000
6500
10000
11000
13000
15000
17000
20000
25.24
40.44
46.26
36.73
21.68
19.41
13.67
14.56
16.94
24.85
25.19
29.96
27.59
19.98
18.70
13.70
12.99
11.61
4.41
inch
Outline Dimensions (
)
mm
G
A
.126
3.20
B
.063
1.60
C
.037
0.94
D
.020
0.51
E
.032
0.81
F
.009
0.23
.169
4.29
H
.087
2.21
J
.024
0.61
K
.122
3.10
L
.024
0.61
M
.087
2.21
N
.012
0.30
P
wt
.071 grams
1.80 .020
Demo Board MCL P/N: TB-270
Suggested PCB Layout (PL-137)
4.88
LFCN-3000
INSERTION LOSS
LFCN-3000
VSWR
60.0
50.0
40.0
30.0
20.0
10.0
0.0
1000
100
10
1
0
5000
10000
15000
20000
0
5000
10000
15000
20000
FREQUENCY (MHz)
FREQUENCY (MHz)
®
REV.
M96263
LFCN-3000
EDR-6783/6
AD/CP/AM
050113
B
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