Low Pass Filter
50Ω
Operating Temperature
Storage Temperature
RF Power Input*
DC Current Input to Output
Ceramic
LFCN-105+
LFCN-105
DC to 105 MHz
Features
-55°C to 100°C
-55°C to 100°C
8.5W max. at 25°C
0.5A max. at 25°C
Maximum Ratings
• excellent power handling, 8.5W
• small size
• 7 sections
• temperature stable
• protected by U.S. Patent 6,943,646
CASE STYLE: FV1206
Model
LFCN-105+
LFCN-105
LFCN-105D+
LFCN-105D
Price
$3.99
$3.99
$4.49
$4.49
Qty.
(10-49)
(10-49)
(10-49)
(10-49)
* Passband rating, derate linearly to 3.5W at 100°C ambient.
Applications
Pin Connections
RF IN
RF OUT
GROUND
** RF IN & RF OUT can be interchanged
1**
3**
2,4
• harmonic rejection
• VHF/UHF transmitters/receivers
• RF suppression for DC lines on PCB
• anti-aliasing for A/D converter
+ 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.
Electrical Specifications (T
AMB
=25°C)
PASSBAND
(MHz)
(loss < 1 dB)
Max.
DC-105
Outline Drawing
fco, MHz
Nom.
(loss 3 dB)
Typ.
180
STOP BAND (MHz)
(loss, dB)
F 20
Min.
250
VSWR
(:1)
Stopband
Typ.
20
NO. OF
SECTIONS
Typ.
1.2
7
40
Typ.
265-1650
FR 20
Typ.
4750
Passband
1. For applications requiring DC voltage to be applied to the Input or output, use LFCN-105D (DC Resistance to ground is 100 Mohms min.)
typical frequency response
ATTENUATION (dB)
electrical schematic
RF IN
RF OUT
PCB Land Pattern
40dB
20dB
3dB
1dB
Fco F20
FREQUENCY
FR 20dB
Suggested Layout,
Tolerance to be within
±.002
Typical Performance Data at 25°C
Frequency
(MHz)
G
.169
4.29
P
wt
.071 grams
1.80
.020
Insertion Loss
(dB)
0.17
0.42
0.70
1.18
1.94
3.47
18.52
24.46
46.74
62.21
42.50
28.22
25.32
22.87
22.07
LFCN-105
VSWR
1000
VSWR
(:1)
1.04
1.06
1.12
1.11
1.44
1.93
4.06
4.16
4.95
96.51
57.91
26.74
29.46
35.46
18.11
Outline Dimensions (
inch
)
mm
A
.126
3.20
H
.087
2.21
B
.063
1.60
J
.024
0.61
C
.037
0.94
K
.122
3.10
D
.020
0.51
L
.024
0.61
E
.032
0.81
M
.087
2.21
F
.009
0.23
N
.012
0.30
1.00
51.00
100.00
150.00
180.00
200.00
250.00
260.00
500.00
1050.00
1750.00
2550.00
3550.00
4050.00
4750.00
LFCN-105
INSERTION LOSS
80
INSERTION LOSS (dB)
70
60
50
40
30
20
10
0
0
1000
2000
3000
4000
5000
FREQUENCY (MHz)
Demo Board MCL P/N: TB-270
Suggested PCB Layout (PL-137)
100
VSWR
10
1
0
1000
2000
3000
4000
5000
FREQUENCY (MHz)
Distribution Centers
NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010
Mini-Circuits
®
INTERNET
http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Mini-Circuits
ISO 9001 & ISO 14001
Certified
REV. D
M102719
LFCN-105
ED11690/3
RVN/AD/CP/AM
060912
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