Ceramic
Low Pass Filter
DC to 2500 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
RF Power Input*
-55°C to 100°C
-55°C to 100°C
10W max. at 25°C
LFCN-2500+
LFCN-2500
Features
•
•
•
•
•
DC Current Input to Output 0.5A max. at 25°C
*Passband rating, derate linearly to 3.5W at 100°C ambient.
excellent power handling, 10W
small size
7 sections
temperature stable
protected by US Patent 6,943,646
CASE STYLE: FV1206
Model
LFCN-2500+
LFCN-2500
LFCN-2500D+
LFCN-2500D
Price
$1.99
$1.99
$2.49
$2.49
Qty.
(10-49)
(10-49)
(10-49)
(10-49)
Applications
• harmonic rejection
• VHF/UHF transmitters/receivers
• lab use
Pin Connections
RF IN
RF OUT
GROUND
**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.
1**
3**
2,4
Low Pass Filter Electrical Specifications
1
(T
AMB
=25°C)
MODEL
NO.
PASSBAND
(MHz)
(loss < 1 dB)
Max.
LFCN-2500
(+)
DC-2500
Outline Drawing
fco, MHz
Nom.
(loss 3 dB)
Typ.
3075
STOP BAND (MHz)
(loss, dB)
F 20
Min.
3675
30
Typ.
3800-6100
FR 20
Typ.
8000
VSWR (:1)
Stopband
Typ.
20
Passband
Typ.
1.2
NO. OF
SECTIONS
7
1. For Applications requiring DC voltage to be applied to the Input or output, use LFCN-2500D (DC Resistance to
ground is 100 Mohms min.)
typical frequency response
RF IN
ATTENUATION (dB)
40dB
20dB
schematic
RF OUT
3dB
1dB
PCB Land Pattern
Fco F20
FREQUENCY
FR 20dB
Typical Performance Data at 25°C
Frequency
(MHz)
50
2000
2530
3000
3660
3760
4000
5000
6000
7000
8000
10000
12000
15000
20000
Insertion Loss
(dB)
0.05
0.50
0.80
2.72
24.30
29.63
43.19
34.98
34.38
26.29
22.85
19.22
14.60
17.48
15.48
VSWR
(:1)
1.02
1.26
1.24
2.58
23.81
28.03
31.03
26.33
24.48
26.74
27.59
18.30
13.09
3.73
4.84
Suggested Layout,
Tolerance to be within
±.002
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
G
.169
4.29
P
wt
.071 grams
.020
1.80
Demo Board MCL P/N: TB-270
Suggested PCB Layout (PL-137)
50.0
INSERTION LOSS (-dB)
40.0
LFCN-2500
INSERTION LOSS
1000
LFCN-2500
VSWR
20.0
10.0
0.0
0
5000
10000
15000
20000
FREQUENCY (MHz)
VSWR
10
1
0
5000
10000
15000
20000
FREQUENCY (MHz)
30.0
100
Mini-Circuits
®
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
ISO 9001 & ISO 14001
Certified
REV. C
M98898
LFCN-2500
EDR-6783/2
RVN/AD/CP/AM
060725