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.
ISO 9001 ISO 14001 AS 9100 CERTIFIED
Mini-Circuits
®
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
The Design Engineers Search Engine Provides ACTUAL Data Instantly From MINI-CIRCUITS At: www.minicircuits.com
minicircuits.com
TM
IF/RF MICROWAVE COMPONENTS
NON-CATALOG
CASE STYLE: FV1206
Price: Contact Sales Dept.
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifications.
50Ω DC to 1325 MHz
Low Pass Filter LFCN-1325TR5K+
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. OR
M121048
LFCN-1325TR5K+
RVN/AD/CP/AM
090129
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)
** RF IN & RF OUT can be interchanged
R F IN R F OUT
20dB
3dB
40dB
AT T E NU A T IO N
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)
Typical Performance Data at 25°C
LFCN-1325TR5K+
INSERTION LOSS
0
5
10
15
20
25
30
35
40
0 500 1000 1500 2000 2500 3000 3500 4000 4500
FREQUENCY (MHz)
INSERTION LOSS (dB)
LFCN-1325TR5K+
VSWR
1
10
100
0 500 1000 1500 2000 2500 3000 3500 4000 4500
FREQUENCY (MHz)
VSWR
Frequency
(MHz)
Insertion Loss
(dB)
VSWR
(:1)
This is LFCN-1325+
Reel Qty. 5000 pcs.
