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Mini-Circuits
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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
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
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IF/RF MICROWAVE COMPONENTS
Low Pass Filter VLF-490+
VLF-490
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
DC Current Input to Output 0.5A max. at 25°C
REV. J
M129173
VLF-490
ED-6588/4
RVN/AD/CP/AM
130117
Features
• rugged uni-body construction, small size
• 7 sections
• excellent power handling, 8.5W
• temperature stable
• low cost
• protected by U.S. Patent 6,943,646
Applications
• harmonic rejection
• transmitters/receivers
• lab use
Coaxial
CASE STYLE: FF704
B D E wt
.410 1.43 .312 grams
10.41 36.32 7.92 10.0
Outline Dimensions ( )
inch
mm
Outline Drawing
electrical schematictypical frequency response
Connectors Model Price Qty.
SMA VLF-490(+) $21.95 ea. (1-9)
PASSBAND
(MHz)
fco, MHz
Nom.
STOP BAND (MHz)
(loss, dB)
VSWR
(:1)
NO. OF
SECTIONS
(loss < 1.2 dB) (loss 3 dB) f 20 40 fr 20 Stopband Passband
Max. Ty p . Min. Ty p . Ty p . Ty p . Ty p .
*DC-490 650 800 880-2500 6000 20 1.2 7
VLF-490
INSERTION LOSS
0
10
20
30
40
50
60
70
80
0 1000 2000 3000 4000 5000 6000
FREQUENCY (MHz)
INSERTION LOSS (dB)
VLF-490
VSWR
1
10
100
1000
0 1000 2000 3000 4000 5000 6000
FREQUENCY (MHz)
VSWR
Frequency
(MHz)
Insertion Loss
(dB)
VSWR
(:1)
Typical Performance Data at 25°C
1 0.05 1.01
100 0.25 1.07
490 0.84 1.11
600 1.51 1.43
650 2.34 1.80
700 4.86 3.03
730 9.44 5.66
765 19.23 10.56
800 33.99 14.03
880 43.69 18.90
1500 67.73 45.72
2500 48.73 52.65
3500 36.46 52.65
5000 23.74 44.55
6000 22.90 43.44
* Passband rating, derate linearly to 3.5W at 100°C ambient.
Permanent damage may occur if any of these limits are exceeded.
R F IN R F O U T
20dB
3dB
40dB
AT T E NU A T IO N
1dB
co
F F20
FREQUENCY
F R 20dB
.312 Across Flats
in some models
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
50Ω *DC to 490 MHz
Electrical Specications at 25°C
* Not for use with DC voltage at input and output ports
