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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
minicircuits.com
IF/RF MICROWAVE COMPONENTS
Low Pass Filter VLF-400+
VLF-400
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. G
M129173
VLF-400
ED-6588/3
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-400(+) $21.95 ea. (1-9)
PASSBAND
(MHz)
fco, MHz
Nom.
STOP BAND (MHz)
(loss, dB)
VSWR
(:1)
NO. OF
SECTIONS
(loss < 1 dB) (loss 3 dB) f 20 40 fr 20 Stopband Passband
Max. Ty p . Min. Ty p . Ty p . Ty p . Ty p .
*DC-400 560 660 680-3000 5500 20 1.2 7
VLF-400
INSERTION LOSS
0
10
20
30
40
50
60
70
80
0 1100 2200 3300 4400 5500
FREQUENCY (MHz)
INSERTION LOSS (dB)
VLF-400
VSWR
1
10
100
1000
0 1100 2200 3300 4400 5500
FREQUENCY (MHz)
VSWR
Frequency
(MHz)
Insertion Loss
(dB)
VSWR
(:1)
Typical Performance Data at 25°C
1 0.06 1.02
100 0.27 1.10
400 0.80 1.12
500 1.44 1.39
560 2.77 2.01
600 5.87 3.54
620 9.82 5.72
650 20.09 10.62
660 24.64 12.01
680 35.49 14.50
1000 42.32 33.42
2000 59.01 57.91
3000 39.73 64.35
4500 23.58 45.72
5500 23.21 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 400 MHz
Electrical Specications at 25°C
* Not for use with DC voltage at input and output ports
