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-825 DC-825 1275 1550 1850-20000 10 1.20 21
Frequency
(MHz)
Insertion Loss
(dB)
VSWR
(:1)
50 0.21 1.04
250 0.34 1.11
500 0.56 1.09
825 0.95 1.14
950 1.19 1.15
1100 1.58 1.11
1275 3.33 1.18
1400 11.97 3.20
1550 29.79 7.49
1850 41.44 20.81
2000 62.70 27.62
3000 75.79 64.73
4000 81.73 66.53
5000 75.62 62.40
7500 72.55 42.41
10000 71.84 17.08
12500 61.43 6.17
15000 77.23 5.85
17500 68.24 21.82
20000 73.81 13.68
Low Pass Filter Electrical Specications @ 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-825 $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
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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
RF IN RF OUT
.312AcrossFlats
insomemodels
50ΩDCto825MHz(40dBIsolationupto20GHz)
Low Pass Filter
Coaxial
REV. B
M131810
VLFX-825
EDU-0399
ED-11930A/12
URJ/RS/CP
130319
Page1of1
VLFX-825
VLFX-825
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-825
VSWR
1
10
100
0 4000 8000 12000 16000 20000
FREQUENCY (MHz)
VSWR
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications