Surface Mount
SCLF-420+
SCLF-420
Low Pass Filter
50Ω
DC to 420 MHz
Features
Maximum Ratings
Operating Temperature
-40°C to 85°C
-55°C to 100°C
0.5W max.
• wide selection of cut-off frequencies
• excellent rejection
CASE STYLE:YY161
Storage Temperature
• custom models available
Power Input
Permanent damage may occur if any of these limits are exceeded.
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Applications
• defense communications
• receivers/transmitters
• harmonic rejection of VCOs
Pin Connections
INPUT
1
8
OUTPUT
Electrical Specifications
GROUND
2,3,4,5,6,7
Parameter
Insertion Loss
F#
Frequency (MHz)
Min.
Typ.
Max.
Unit
Outline Drawing
DC-F1
F2
DC-420
470
—
—
—
1.0
—
dB
dB
Pass Band Freq. Cut-Off
3.0
VSWR
DC-F1
F3-F4
F4-F5
DC-420
750-920
—
20
40
1.7
—
—
—
—
:1
dB
dB
Rejection Loss
Stop Band
920-2000*
—
VSWR
F3-F5
750-2000
—
18
—
:1
* Loss > 35 dB
PCB Land Pattern
Typical Frequency Response
Electrical Schematic
40
R F IN
R F OUT
20
Suggested Layout,
Tolerance to be within .002
3
1
inch
Outline Dimensions (
)
mm
DC
F1 F2
FREQUENCY
F3
F4
F5
A
0.75
19.05
B
0.38
9.65
C
0.28
7.11
D
0.01
0.25
E
0.05
1.27
F
0.02
0.51
G
0.2
5.08
Typical Performance Data
Return Loss
(dB)
Frequency
Frequency
(MHz)
Insertion Loss
Group Delay
(nsec)
H
0.075
J
0.6
K
0.45
M
0.47
N
0.1
2.54
P
wt
(MHz)
(dB)
0.15 grams
3.81 1.60
_
σ
x
1.91 15.24 11.43 11.94
10.00
80.00
200.00
250.00
330.00
0.04
0.08
0.21
0.27
0.29
0.00
0.00
0.01
0.02
0.01
47.83
41.29
18.95
16.94
20.48
10.00
80.00
200.00
250.00
330.00
1.07
1.22
1.24
1.28
1.65
Demo Board MCL P/N:TB-187+
Suggested PCB Layout (PL-049)
400.00
420.00
470.00
550.00
570.00
0.50
0.53
2.49
17.69
21.36
0.06
0.06
1.23
1.79
1.72
15.18
15.81
7.05
0.49
0.38
400.00
420.00
470.00
550.00
570.00
2.35
2.35
3.93
1.62
1.23
600.00
650.00
700.00
750.00
800.00
26.69
34.68
43.00
51.76
62.84
1.66
1.72
2.04
2.98
3.27
0.31
0.24
0.22
0.20
0.18
600.00
650.00
700.00
750.00
800.00
0.74
0.40
0.16
0.63
2.83
850.00
900.00
950.00
1100.00
1300.00
64.45
63.75
62.98
68.72
75.55
2.45
3.07
1.70
2.09
4.58
0.18
0.19
0.18
0.18
0.21
850.00
900.00
950.00
970.00
1000.00
4.33
1.30
0.20
1.04
3.84
1500.00
1600.00
1700.00
1800.00
2000.00
58.79
57.39
55.84
53.61
52.95
0.80
0.75
0.38
0.44
0.61
0.22
0.22
0.21
0.21
0.24
1010.00
1020.00
1030.00
1040.00
1050.00
3.60
2.59
2.25
3.29
1.66
SCLF-420
INSERTION LOSS
SCLF-420
RETURN LOSS
SCLF-420
GROUP DELAY
at RF level of 0 dBm
at RF level of 0 dBm
at RF level of 0 dBm
50
40
30
20
10
0
5.0
4.0
3.0
2.0
1.0
0.0
100
80
60
40
20
0
10
100
1000
10000
10
100
1000
10000
0
210
420
630
840
1050
FREQUENCY(MHz)
FREQUENCY (MHz)
FREQUENCY(MHz)
Notes
A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.
B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
C. The parts covered by this specification document 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
®
REV. F
Mini-Circuits
M151107
SCLF-420
150928
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com