Outline Drawing
Maximum Ratings
Outline Dimensions ( )
inch
mm
Typical Performance Data
Frequency
(MHz)
Insertion Loss
(dB)
Low Pass Filter Electrical Specifi cations
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Distribution Centers
NORTH AMERICA 800-654-7949 417-335-5935 Fax 417-335-5945 EUROPE 44-1252-832600 Fax 44-1252-837010
Mini-Circuits
Mini-Circuits ISO 9001 & ISO 14001 Certified
Operating Temperature
-40C to 85C
Storage Temperature
-55C to 100C
Power Input
0.5W max.
Applications
defense communications
receivers/transmitters
harmonic rejection of VCOs
Features
wide selection of cut-off frequencies
excellent rejection
custom models available
Return Loss
(dB)
Frequency
(MHz)
Group Delay
(nsec)
_
x
Low Pass Filter
SCLF-550+
SCLF-550
REV. C
M98898
SCLF-550
060515
Surface Mount
50
DC to 550 MHz
PASSBAND
(MHz)
fco, (MHz)
Nom.
STOPBAND
(MHz)
VSWR
(:1)
(loss <1 dB)
(loss 3 dB)
(loss > 20 dB)
(loss > 40 dB)
Pass band
typ.
Stop band
typ.
DC-550
605
800-1050
1050-2000*
1.7
18
electrical schematic
2
4
6
8
1
3
5
7
A
N
M
G
J
P
B
C
D
G
E
F
H
J
K
A
B
C
D
E
F
G
0.75
0.38
0.28
0.01
0.05
0.02
0.2
19.05
9.65
7.11
0.25
1.27
0.51
5.08
H
J
K
M
N
P
wt
0.07
0.6
0.45
0.47
0.1
0.15
grams
1.91
15.24
11.43
11.94
2.54
3.81
1.60
Pin Connections
INPUT 1
OUTPUT 8
GROUND
2,3,4,5,6,7
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffi x identifi es RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifi cations.
CASE STYLE: YY161
PRICE: $12.95 ea. QTY (1-9)
typical frequency response
40 dB
20 dB
3 dB
1 dB
FREQUENCY / Fco
A
T
TENU
A
T
ION, dB
DC 0.9 1 1.35 1.75 3
RF IN
RF OUT
Demo Board MCL P/N: TB-187
Suggested PCB Layout (PL-049)
* Loss > 35 dB
10.00 0.03
0.00
48.70
10.00
1.66
84.40 0.08
0.00
32.94
11.85
1.74
158.80
0.13
0.00
25.63
13.97
1.78
233.10
0.20
0.01
21.50
16.35
1.84
307.50
0.25
0.01
21.08
19.44
1.70
381.90
0.29
0.01
30.87
22.93
1.69
456.30
0.44
0.02
19.57
27.05
1.67
550.00
0.70
0.02
20.04
31.90
1.67
605.00
2.21
0.29
7.56
37.63
1.68
660.00
9.74
0.62
1.40
44.38
1.70
688.00 14.38
0.63
0.82
52.35
1.70
716.00 18.81
0.64
0.59
61.74
1.70
744.00 23.02
0.63
0.48
72.83
1.69
772.00 27.05
0.64
0.41
85.90
1.70
800.00 30.94
0.66
0.37
100.21
1.70
828.00 34.76
0.71
0.33
118.20
1.71
872.40 40.79
0.84
0.28
137.89
1.72
916.80 47.07
1.09
0.24
162.64
1.74
961.20 54.10
1.62
0.23
189.73
1.75
1005.60
63.67
3.21
0.20
223.79
1.79
1050.00
72.37
1.21
0.18
261.07
1.82
1100.00
68.33
2.87
0.18
307.93
1.89
1212.50
66.09
1.64
0.16
359.23
2.00
1325.00
71.09
2.35
0.14
423.71
2.19
1437.50
80.39
4.11
0.13
494.29
2.48
1550.00
73.52
3.11
0.13
550.00
3.12
1662.50
66.16
1.26
0.15
605.00
4.08
1775.00
63.13
0.38
0.15
800.00
1.20
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