PASSBAND
(MHz)
fco, MHz
Nom.
STOP BAND (MHz)
(loss, dB)
VSWR
(:1)
NO. OF
SECTIONS
(loss < 1 dB)
(loss 3 dB)
F 20
40
FR 20
Stopband
Passband
Max.
Typ.
Min.
Typ.
Typ.
Typ.
Typ.
DC-225
350
460
510-2500
5500
20
1.2
7
1. For applications requiring DC voltage to be applied to the Input or output, use LFCN-225D (DC Resistance to ground is 100 Mohms min.)
* Passband rating, derate linearly to 3.5W at 100C ambient.
designers kit available
Kit
No.
No. of
Units in Kit
Description
Price $
per Kit
K1-LFCN
35
5 of each:LFCN-225,-320,-400,-490,-530,-575,-630
99.95
50 DC to 225 MHz
Low Pass Filter
LFCN-225+
LFCN-225
Maximum Ratings
Operating Temperature
-55C to 100C
Storage Temperature
-55C to 100C
RF Power Input*
8.5W max. at 25C
DC Current Input to Output
0.5A max. at 25C
INTERNET
http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Distribution Centers NORTH AMERICA 800-654-7949 417-335-5935 Fax 417-335-5945 EUROPE 44-1252-832600 Fax 44-1252-837010
Mini-Circuits
Mini-Circuits ISO 9001 & ISO 14001 Certified
REV. D
M98898
LFCN-225
EDR-6588/1
RVN/AD/CP/AM
060912
Typical Performance Data at 25C
LFCN-225
INSERTION LOSS
0
10
20
30
40
50
60
70
80
0
1100
2200
3300
4400
5500
FREQUENCY (MHz)
INSERTION
LOSS
(dB)
Features
excellent power handling, 8.5W
small size
7 sections
temperature stable
protected by U.S. Patent 6,943,646
Applications
harmonic rejection
VHF/UHF transmitters/receivers
RF suppression for DC lines on PCB
anti-aliasing for A/D converter
Ceramic
LFCN-225
VSWR
1
10
100
1000
0
1100
2200
3300
4400
5500
FREQUENCY (MHz)
V
S
W
R
electrical schematic
typical frequency response
Frequency
(MHz)
Insertion Loss
(dB)
VSWR
(:1)
A
B
C
D
E
F
G
.126
.063
.037
.020
.032
.009
.169
3.20
1.60
0.94
0.51
0.81
0.23
4.29
H
J
K
L
M
N
P
wt
.087
.024
.122
.024
.087
.012
.071 grams
2.21
0.61
3.10
0.61
2.21
0.30
1.80
.020
Outline Dimensions ( )
inch
mm
Outline Drawing
PCB Land Pattern
Suggested Layout,
Tolerance to be within
.002
RF IN
1**
RF OUT
3**
GROUND
2,4
Pin Connections
Demo Board MCL P/N: TB-270
Suggested PCB Layout (PL-137)
** RF IN & RF OUT can be interchanged
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications.
CASE STYLE: FV1206
Model
Price
Qty.
LFCN-225+
$2.99
(10-49)
LFCN-225
$2.99
(10-49)
LFCN-225D+
$3.49
(10-49)
LFCN-225D
$3.49
(10-49)
RF IN
RF OUT
20dB
3dB
40dB
ATTENUATION (dB)
1dB
co
F
F20
FREQUENCY
FR 20dB
1.00
0.09
1.02
100.00
0.36
1.04
250.00
0.89
1.03
350.00
2.70
1.91
440.00
31.16
12.52
510.00
42.44
19.32
1000.00
49.75
54.29
1500.00
66.15
72.39
2500.00
41.71
59.91
3000.00
34.59
56.04
3500.00
30.04
51.10
4000.00
26.30
33.42
4500.00
23.26
20.45
5000.00
21.80
26.33
5500.00
20.10
19.32
Electrical Specifications
1
(T
AMB
=25C)
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