Ceramic
Low Pass Filter
DC to 120 MHz
LFCN-120
Maximum Ratings
Operating Temperature
Storage Temperature
RF Power Input*
Features
• excellentpowerhandling, 8.5W
• small size
-55°C to 100°C
-55°C to 100°C
CASE STYLE: FV1206
• 7 sections
• temperaturestable
• patentpending
8.5W max. at 25°C
Model
LFCN-120
Price
$3.99
Qty.
(10-49)
(10-49)
DC Current Input to Output 0.5A max. at 25°C
LFCN-120D $4.49
*Passband rating, derate linearly to 3.5W at 100°C ambient.
Applications
• harmonicrejection
• VHF/UHFtransmitters/receivers
• RF suppression for DC lines on PCB
• anti-aliasing for A/D converter
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
40
fr 20
Stopband Passband
Typ.
Min.
Typ.
Typ.
Typ.
Typ.
Max.
LFCN-120
DC-120
195
270
285-1850
4750
20
1.2
7
1. For Applications requiring DC voltage to be applied to the Input or output, use LFCN-120D (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)
Insertion Loss
(dB)
VSWR
(:1)
1.00
51.00
0.13
0.38
1.04
1.06
100.00
120.00
150.00
200.00
250.00
270.00
285.00
500.00
1050.00
2050.00
3050.00
4050.00
4750.00
0.66
0.81
1.13
3.28
17.85
30.80
41.37
47.59
60.41
37.25
27.60
23.48
22.45
1.13
1.09
1.07
2.35
inch
Outline Dimensions (
)
mm
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
9.96
.169
4.29
13.60
15.13
25.19
64.35
54.29
44.55
31.03
7.28
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)
LFCN-120
INSERTION LOSS
LFCN-120
VSWR
80
70
60
50
40
30
20
10
0
1000
100
10
1
0
1000
2000
3000
4000
5000
0
1000
2000
3000
4000
5000
FREQUENCY (MHz)
FREQUENCY (MHz)
®
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
REV. B
M96263
LFCN-120
ED-11690
RVN/AD/CP
050113
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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