Notes
A.
Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.
B.
Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
C.
The parts covered by this specification document 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 Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp
Mini-Circuits
®
www.minicircuits.com P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
50Ω DC to 320 MHz
Low Pass Filter
REV. L
M137568
LFCN-320D+
EDR-6588/2
RVN/AD/AM
130828
Typical Performance Data at 25°C
LFCN-320D+
INSERTION LOSS
0
10
20
30
40
50
60
70
80
0 1100 2200 3300 4400 5500
FREQUENCY (MHz)
INSERTION LOSS (dB)
Features
• excellent power handling, 8.5W
• small size
• 7 sections
• temperature stable
• LTCC construction
• protected by U.S. Patent 6,943,646
Applications
• harmonic rejection
• VHF/UHF transmitters/receivers
• RF suppression for DC lines on PCB
• anti-aliasing for A/D converter
Ceramic
LFCN-320D+
VSWR
1
10
100
1000
0 1100 2200 3300 4400 5500
FREQUENCY (MHz)
VSWR
Frequency
(MHz)
Insertion Loss
(dB)
VSWR
(:1)
1.00 0.11 1.03
100.00 0.29 1.05
320.00 0.81 1.20
460.00 3.65 2.59
560.00 51.87 15.13
640.00 32.82 19.76
1500.00 49.10 57.91
2000.00 54.73 59.91
2500.00 53.07 59.91
3000.00 55.47 54.29
3500.00 27.30 33.42
4000.00 30.27 40.41
4500.00 29.58 34.75
5000.00 26.42 32.18
5500.00 23.89 31.60
LFCN-320D+
Parameter F# Frequency (MHz) Min. Typ. Max. Unit
Pass Band
Insertion Loss DC-F1 DC-320 — — 1.0 dB
Freq. Cut-Off F2 460 — 3.0 — dB
VSWR DC-F1 DC-320 — 1.2 — :1
Stop Band Rejection Loss
F3 610 20 — — dB
F4-F5 640-2500 — 30 — dB
F6 5300 — 20 — dB
VSWR F3-F6 580-5300 — 20 — :1
* Derate linearly to 3.5W 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* 8.5W max. at 25°C
Max. DC Voltage at pins 1&3 25 VDC
DC Current Input to Output 0.5A max. at 25°C
Electrical Specifi cations1,2 at 25°C
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
CASE STYLE: FV1206
PRICE: $3.49 ea. QTY (20)
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
(ON TOP)
(ON TOP)
Available Tape and Reel
at no extra cost
Reel Size Devices/Reel
7”
20, 50, 100, 200, 500,1000, 3000
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
(1)
DC Resistance to ground is 100 Mohms min.
(2) Measured on Mini-Circuits Characterization Test Board TB-270.
