PASSBAND
(MHz)
fco, MHz
Nom.
STOP BAND (MHz)
(loss, dB)
VSWR
(:1)
NO. OF
SECTIONS
(loss < 1.3 dB) (loss 3 dB) F 20 30 FR 20 Stopband Passband
Max. Typ. Min. Typ. Typ. Typ. Typ.
DC-1325 1560 2100 2200 4250 20 1.4 5
1. For applications requiring DC voltage to be applied to the Input or output, use LFCN-1325D (DC Resistance to ground is 100 Mohms min.)
* Passband rating, derate linearly to 4W at 100°C ambient.
Permanent damage may occur if any of these limits are exceeded.
ISO 9001 ISO 14001 AS 9100 CERTIFIED
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®
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 For detailed performance specs & shopping online see Mini-Circuits web site
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TM
IF/RF MICROWAVE COMPONENTS
50Ω DC to 1325 MHz
Low Pass Filter LFCN-1325+
LFCN-1325
Maximum Ratings
Operating Temperature -55°C to 100°C
Storage Temperature -55°C to 100°C
RF Power Input* 9W max. at 25°C
DC Current Input to Output 1A max. at 25°C
REV. H
M121640
LFCN-1325
ED-9913/3
RVN/AD/CP/AM
090218
Features
• excellent power handling, 9W
• small size
• 5 sections
• temperature stable
Applications
• harmonic rejection
• VHF/UHF transmitters/receivers
• lab use
Ceramic
electrical schematictypical frequency response
ABCDEFG
.126 .063 .037 .020 .032 .009 .169
3.20 1.60 0.94 0.51 0.81 0.23 4.29
H J K L M N P wt
.087 .024 .122 .024 .087 .012 .071 grams
2.21 0.61 3.10 0.61 2.21 0.30 1.80 .020
Outline Dimensions ( )
inch
mm
Outline Drawing
RF IN 1
RF OUT 3
GROUND 2,4
Pin Connections
Demo Board MCL P/N: TB-270
Suggested PCB Layout (PL-137)
+ 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.
CASE STYLE: FV1206
Model Price Qty.
LFCN-1325+ $1.99 (10-49)
LFCN-1325 $1.99 (10-49)
LFCN-1325D+ $2.49 (10-49)
LFCN-1325D $2.49 (10-49)
R F IN R F OUT
20dB
3dB
40dB
AT TE NUAT ION
1dB
co
F F20
FREQUENCY
F R 20dB
10.00 0.12 1.03
174.38 0.23 1.17
338.75 0.36 1.32
503.13 0.50 1.40
667.50 0.56 1.38
1160.63 0.71 1.11
1325.00 1.06 1.47
1518.75 3.52 3.91
2003.13 23.27 32.79
2577.77 28.97 51.10
3055.55 24.14 41.37
3533.33 22.45 51.10
3772.22 21.83 44.55
4011.11 21.11 40.41
4250.00 20.18 34.75
Electrical Specifications1 (TAMB=25°C)
Suggested L ayout,
Tolerance to be within
±
.002
PCB Land Pattern
Typical Performance Data at 25°C
LFCN-1325
VSWR
1
10
100
0 500 1000 1500 2000 2500 3000 3500 4000 4500
FREQUENCY (MHz)
VSWR
Frequency
(MHz)
Insertion Loss
(dB)
VSWR
(:1)