Ceramic
Low Pass Filter
DC to 105 MHz
LFCN-105
MaximumRatings
OperatingTemperature
StorageTemperature
RF Power Input*
Features
• excellent power handling, 8.5W
• small size
-55°C to 100°C
-55°C to 100°C
CASESTYLE:FV1206
• 7 sections
• temperature stable
• patent pending
8.5W max. at 25°C
Model
Price
Qty.
(10-49)
(10-49)
LFCN-105
LFCN-105D
$3.99
$4.49
DC Current Input to Output 0.5A max. at 25°C
*Passband rating, derate linearly to 3.5W at 100°C ambient.
Applications
• harmonicrejection
• VHF/UHF transmitters/receivers
• RF suppression for DC lines on PCB
• anti-aliasing for A/D converter
PinConnections
RF IN
1**
3**
2,4
RF OUT
Low Pass Filter Electrical Specifications1 (TAMB=25°C)
GROUND
**RFIN&RFOUTcanbeinterchanged
PASSBAND
(MHz)
(loss < 1 dB)
fco,MHz
Nom.
(loss 3 dB)
STOPBAND(MHz)
(loss,dB)
VSWR(:1)
NO.OF
SECTIONS
MODEL
NO.
OutlineDrawing
f20
40
fr20
Stopband
Passband
Typ.
Typ.
Min.
Typ.
Typ.
Typ.
Max.
LFCN-105
DC-105
180
250
265-1650
4750
20
1.2
7
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
schematic
RF IN
RF OUT
40dB
20dB
3dB
1dB
f co
f 20
fR 20 dB
FREQUENCY
TypicalPerformanceDataat25°C
Frequency
(MHz)
InsertionLoss
(dB)
VSWR
(:1)
1.00
51.00
0.17
0.42
0.70
1.18
1.94
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
inch
Outline Dimensions (
)
100.00
150.00
180.00
200.00
250.00
260.00
300.00
1050.00
1750.00
2550.00
3550.00
4050.00
4750.00
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
.169
4.29
3.47
18.52
24.46
44.49
62.21
42.50
28.22
25.32
22.87
22.07
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-105
INSERTION LOSS
LFCN-105
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.
M96263
LFCN-105
ED-11690/3
RVN/AD/CP
050113
B
Mini-Circuits
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