Ceramic
Low Pass Filter
LFCN-225D+
50Ω
DC to 225 MHz
Features
Maximum Ratings
Operating Temperature
Storage Temperature
CASE STYLE: FV1206
PRICE: $3.49 ea. QTY (20)
• excellent power handling, 8.5W
• small size
-55°C to 100°C
-55°C to 100°C
8.5W max. at 25°C
25 VDC
• 7 sections
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
RF Power Input*
• temperature stable
• LTCC construction
• protected by U.S. Patent 6,943,646
Max. DC Voltage at pins 1&3
DC Current Input to Output
0.5A max. at 25°C
* Derate linearly to 3.5W at 100°C ambient.
Permanent damage may occur if any of these limits are exceeded.
Applications
• harmonic rejection
Pin Connections
RF IN
Reel Size
7”
Devices/Reel
20, 50, 100, 200, 500,1000, 3000
• VHF/UHF transmitters/receivers
• RF suppression for DC lines on PCB
• anti-aliasing for A/D converter
1
3
RF OUT
GROUND
2,4
Electrical Specifications1,2 at 25°C
Parameter
Insertion Loss
F#
Frequency (MHz)
Min.
Typ.
Max.
Unit
Outline Drawing
DC-F1
F2
DC-225
350
—
—
—
20
—
—
—
—
3.0
1.2
—
40
20
20
1.0
—
—
—
—
—
—
dB
dB
:1
(ON TOP)
Pass Band
Freq. Cut-Off
VSWR
DC-F1
F3
F4-F5
F6
DC-225
485
510-2500
5500
dB
dB
dB
:1
Rejection Loss
Stop Band
(ON TOP)
VSWR
F3-F6
485-5500
(1) DC Resistance to ground is 100 Mohms min.
(2) Measured on Mini-Circuits Characterization Test Board TB-270.
Electrical Schematic
Typical Frequency Response
R F IN
R F OUT
PCB Land Pattern
40
20
3
1
DC
F1
F4
F5
F6
F2 F3
FREQUENCY
Typical Performance Data at 25°C
Suggested Layout,
Tolerance to be within .002
Frequency
(MHz)
Insertion Loss
(dB)
VSWR
(:1)
inch
Outline Dimensions (
)
mm
1.00
100.00
200.00
225.00
300.00
0.11
0.33
0.58
0.66
1.23
1.03
1.06
1.06
1.10
1.51
A
.126
3.20
B
.063
1.60
C
.037
0.94
D
.020
0.51
E
.032
0.81
F
.009
0.23
G
.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
350.00
460.00
510.00
1000.00
2000.00
2.30
33.86
46.81
37.82
69.21
2.20
14.15
17.57
37.77
56.04
.071 grams
1.80 .020
Demo Board MCL P/N: TB-270
Suggested PCB Layout (PL-137)
2500.00
3000.00
4000.00
5000.00
5500.00
58.78
48.67
32.00
26.00
23.45
56.04
51.10
38.61
32.18
32.79
LFCN-225D+
INSERTION LOSS
LFCN-225D+
VSWR
80
70
60
50
40
30
20
10
0
1000
100
10
1
0
1100
2200
3300
4400
5500
0
1100
2200
3300
4400
5500
FREQUENCY (MHz)
FREQUENCY (MHz)
Notes
A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.
B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled
to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp
REV. L
M135914
LFCN-225D+
EDR-6588/1
RVN/AD/AM
130828
®
Mini-Circuits
www.minicircuits.com P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com