Parameter F# Frequency (MHz) Min. Typ. Max. Unit
Pass Band
Insertion Loss DC-F1 DC-1325 — — 1.3 dB
Freq. Cut-Off F2 1560 — 3.0 — dB
VSWR DC-F1 DC-1325 — 1.4 — :1
Stop Band Rejection Loss
F3 2100 20 — — dB
F4-F5 2200 — 30 — dB
F6 4250 — 20 — dB
VSWR F3-F6 2100-4250 — 20 — :1
LFCN-1325D+
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Sufx has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualications.
CASE STYLE: FV1206
PRICE: Contact Sales Dept.
* Derate linearly to 4W at 100°C ambient.
Permanent damage may occur if any of these limits are exceeded.
Maximum Ratings
Operating Temperature -55°C to 100°C
Storage Temperature -55°C to 100°C
RF Power Input* 9W max. at 25°C
Max. DC Voltage at pins 1&3 25 VDC
DC Current Input to Output 0.5A max. at 25°C
1. DC Resistance to ground is 100 Mohms min.
Electrical Schematic
Typical Frequency Response
R F IN R F O U T
20
3
40
ATTENUATION (dB)
1
F2 F3
F1
DC F4 F5 F6
FREQUENCY
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Notes: 1. Performance and quality attributes and conditions not expressly stated in this specification sheet are intended to be excluded and do not form a part of this specification sheet. 2. Electrical specifications
and performance data contained herein are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions. 3. The parts covered by this specification sheet are subject to
Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled to the rights and benefits contained therein. For a full statement of the Standard
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For detailed performance specs
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IF/RF MICROWAVE COMPONENTS
50Ω DC to 1325 MHz
Low Pass Filter
REV. B
M132298
LFCN-1325D+
ED-9913/3
RVN/AD/CP/AM
110614
Features
• excellent power handling, 9W
• small size
• 5 sections
• temperature stable
• LTCC construction
Applications
• harmonic rejection
• VHF/UHF transmitters/receivers
• lab use
Ceramic
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
Typical Performance Data at 25°C
LFCN-1325D+
INSERTION LOSS
0
5
10
15
20
25
30
35
40
0500 1000 1500 2000 2500 3000 3500 4000 4500
FREQUENCY (MHz)
INSERTION LOSS (dB)
LFCN-1325D+
VSWR
1
10
100
0 500 1000 1500 2000 2500 3000 3500 4000 4500
FREQUENCY (MHz)
VSWR
Frequency
(MHz)
Insertion Loss
(dB)
VSWR
(:1)
Electrical Specications1 at 25°C
RF IN 1
RF OUT 3
GROUND 2,4
Pin Connections
ABCD E FG
.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
Demo Board MCL P/N: TB-270
Suggested PCB Layout (PL-137)
PCB Land Pattern
Suggested Layout,
Tolerance to be within ±.002
NON-CATALOG