Coaxial
VLFX-400
Low Pass Filter
50ΩꢀꢀꢀꢀDCꢀtoꢀ400ꢀMHzꢀ(40ꢀdBꢀIsolationꢀupꢀtoꢀ20ꢀGHz)ꢀ
Features
Maximum Ratings
•ꢀveryꢀgoodꢀisolation,ꢀ40ꢀdBꢀupꢀtoꢀ20ꢀGHz
•ꢀ21ꢀsections
Operating Temperature
-55°C to 100°C
-55°C to 100°C
Storage Temperature
•ꢀexcellentꢀpowerꢀhandling,ꢀ10W
•ꢀtemperatureꢀstableꢀLTCCꢀinternalꢀstructure
•ꢀre-entryꢀfrequencyꢀ>ꢀ20ꢀGHz
•ꢀruggedꢀꢀunibodyꢀconstruction
•ꢀprotectedꢀbyꢀUSꢀpatentꢀ6,943,646
RF Power Input*
*Passbandꢀrating,ꢀderateꢀlinearlyꢀtoꢀ3.5Wꢀatꢀ100°Cꢀambient.
Permanentꢀdamageꢀmayꢀoccurꢀifꢀanyꢀofꢀtheseꢀlimitsꢀareꢀexceeded.
10W max. at 25°C
CASE STYLE: FF1118
Connectors Model
SMA
VLFX-400
Price
Qty.
$39.95 ea.
(1-9)
Applications
•ꢀharmonicꢀrejection
•ꢀtransmitters/receivers
•ꢀlabꢀuse
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
•ꢀtestꢀinstrumentation
Low Pass Filter Electrical Specifications @ 25°C
Outline Drawing
Fco, MHz
MODEL
NO.
PASSBAND
STOPBAND (MHz)
VSWR (:1)
NO. OF
SECTIONS
Nom
(MHz)
(Loss, dB)
(Loss 3 dB)
Typ
(Loss < 1.2dB)
Max.
F20
Min.
F40
Typ.
Stopband
Typ.
Passband
Typ.
VLFX-400
DC-400
540
21
670
700-20000
10
1.15
Typical Frequency Response
Functional Schematic
40 dB
.312ꢀAcrossꢀFlats
inꢀsomeꢀmodels
RF OUT
RF IN
20 dB
3 dB
1 dB
Fco F20 F40
>20 GHz
FREQUENCY
Typical Performance Data @ 25°C
inch
Outline Dimensions (mm
)
Frequency
Insertion Loss
(dB)
VSWR
(:1)
B
.410
D
2.67
E
.312
7.92
wt.
grams
17.0
(MHz)
10.41
67.82
50
100
200
400
450
0.22
0.38
0.55
0.97
1.23
1.12
1.15
1.17
1.15
1.24
500
540
600
670
700
1.67
2.42
6.73
32.49
42.85
1.39
1.51
2.09
6.86
8.74
800
1000
3000
5000
7500
43.74
44.36
72.09
64.87
67.01
14.22
26.35
84.69
54.70
45.36
10000
12500
15000
17500
20000
75.88
55.24
55.32
69.03
70.03
16.45
5.36
13.07
5.42
16.72
VLFX-400
INSERTION LOSS
VLFX-400
VSWR
100
90
80
70
60
50
40
30
20
10
0
1000
100
10
1
0
4000
8000
12000
16000
20000
0
4000
8000
12000
16000
20000
FREQUENCY (MHz)
FREQUENCY (MHz)
®
For detailed performance specs
& shopping online see web site
Mini-Circuits
REV. B
ISO 9001 ISO 14001 AS 9100 CERTIFIED
TM
M131810
VLFX-400
EDU-0399
ED-11930A/3
URJ/AD/CP
130319
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 minicircuits.com
IF/RF MICROWAVE COMPONENTS
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.
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