MODEL
NO.
PASSBAND
(MHz)
(Loss < 1.2dB)
Max.
Fco, MHz
Nom
(Loss 3 dB)
Typ
STOPBAND (MHz)
(Loss, dB)
VSWR (:1) NO. OF
SECTIONS
F20
Min.
F40
Typ.
Stopband
Typ.
Passband
Typ.
VLFX-300 DC-300 450 580 650-20000 10 1.15 21
Frequency
(MHz)
Insertion Loss
(dB)
VSWR
(:1)
50 0.38 1.16
100 0.39 1.09
200 0.64 1.11
300 0.95 1.11
350 1.21 1.28
400 1.79 1.58
450 2.85 1.88
500 6.46 1.56
580 29.41 5.57
650 41.12 8.93
800 38.18 13.79
900 44.02 18.40
1000 60.37 23.84
2500 79.10 80.35
5000 61.32 67.53
7500 60.77 49.08
10000 79.72 24.86
12500 62.16 7.48
15000 51.60 12.04
20000 71.48 12.03
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
50Ω DC to 300 MHz (40 dB Isolation up to 20 GHz)
Low Pass Filter
Coaxial
REV. B
M131810
VLFX-300
EDU-0399
ED-11930A/4
URJ/AD/CP
130319
Page 1 of 1
VLFX-300
VLFX-300
INSERTION LOSS
0
10
20
30
40
50
60
70
80
90
100
0 4000 8000 12000 16000 20000
FREQUENCY (MHz)
INSERTION LOSS(dB)
VLFX-300
VSWR
1
10
100
1000
0 4000 8000 12000 16000 20000
FREQUENCY (MHz)
VSWR
Low Pass Filter Electrical Specications @ 25°C
Maximum Ratings
Operating Temperature -55°C to 100°C
Storage Temperature -55°C to 100°C
RF Power Input* 10W max. at 25°C
Typical Performance Data @ 25°C
Outline Dimensions ( )
inch
mm
B D E wt.
.410 2.67 .312 grams
10.41 67.82 7.92 17.0
Outline Drawing
FREQUENCY
>20 GHz Fco F20 F40
40 dB
ATTENUATION (dB)
20 dB
3 dB
1 dB
Features
Applications
• harmonic rejection
• transmitters/receivers
• lab use
• test instrumentation
• very good isolation, 40 dB up to 20 GHz
• 21 sections
• excellent power handling, 10W
• temperature stable LTCC internal structure
• re-entry frequency > 20 GHz
• rugged unibody construction
• protected by US patent 6,943,646
Functional Schematic
Typical Frequency Response
Connectors Model Price Qty.
SMA VLFX-300 $39.95 ea. (1-9)
CASE STYLE: FF1118
Permanent damage may occur if any of these limits are exceeded.
*Passband rating, derate linearly to 3.5W 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
The Design Engineers Search Engine Provides ACTUAL Data Instantly at
TM
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
Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp.
For detailed performance specs
& shopping online see web site
minicircuits.com
IF/RF MICROWAVE COMPONENTS
RF IN RF OUT
.312 Across Flats
in some models
