Ceramic
Low Pass Filter
DC to 2250 MHz
LFCN-2250
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-2250
$1.99
DC Current Input to Output 0.5A max. at 25°C
LFCN-2250D $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-2250
DC-2250
2575
2850
2950-5000
7200
20
1.2
7
1. For Applications requiring DC voltage to be applied to the Input or output, use LFCN-2250D (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)
50.00
500.00
0.06
0.11
1.01
1.02
1000.00
1500.00
2000.00
2250.00
2575.00
2850.00
3800.00
4250.00
5000.00
6500.00
7200.00
8000.00
9000.00
0.15
0.33
0.51
0.82
1.05
1.07
1.06
1.20
2.10
7.08
32.18
34.07
36.97
30.49
39.49
9.69
inch
Outline Dimensions (
)
G
mm
2.84
A
.126
3.20
B
.063
1.60
C
.039
0.99
D
.020
0.51
E
.032
0.81
F
.009
0.23
H
.087
2.21
24.55
48.40
37.39
33.16
37.38
30.64
7.60
.169
4.29
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)
14.79
30.49
LFCN-2250
INSERTION LOSS
LFCN-2250
VSWR
50
40
30
20
10
0
100
10
1
0
1000 2000 3000 4000 5000 6000 7000 8000 9000
FREQUENCY (MHz)
0
1000 2000 3000 4000 5000 6000 7000 8000 9000
FREQUENCY (MHz)
designers kit available
Kit
No.
K2-LFCN
No. of
Price $
per Kit
119.95
Description
5 of each: LFCN-800,-900,-1000,-1200,-1325,-1700,
-2000,-2250,-2400,-5000,-6000,-6700
Units in Kit
60
®
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
REV.
M99263
LFCN-2250
EDR-6469/5
RVN/AD/CP
050113
C
Mini-Circuits
Distribution Centers NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010
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