Surface Mount
SCLF-21.4+
SCLF-21.4
Low Pass Filter
50ΩꢀꢀꢀꢀꢀꢀꢀDCꢀtoꢀ22ꢀMHzꢀ
Features
Maximum Ratings
Operating Temperature
-40°C to 85°C
-55°C to 100°C
0.5W max.
•ꢀwideꢀselectionꢀofꢀcut-offꢀfrequencies
•ꢀexcellentꢀrejection
CASEꢀSTYLE:ꢀYY161
PRICE: $11.45 ea. QTY (1-9)
Storage Temperature
•ꢀcustomꢀmodelsꢀavailable
Power Input
Permanentꢀdamageꢀmayꢀoccurꢀifꢀanyꢀofꢀtheseꢀlimitsꢀareꢀexceeded.
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications.
Applications
•ꢀdefenseꢀcommunications
•ꢀreceivers/transmitters
•ꢀharmonicꢀrejectionꢀofꢀVCOs
Pin Connections
INPUT
1
8
OUTPUT
Electrical Specifications
F#
GROUNDꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ
ꢀꢀꢀꢀ2,3,4,5,6,7
Parameter
InsertionꢀLoss
Frequency (MHz)
Min.
Typ.
Max.
Unit
DC-F1
DC-22
—
—
—
1.0
—
dB
dB
Outline Drawing
Pass Band Freq.ꢀCut-Off
F2
24.5
3.0
VSWR
DC-F1
F3-F4
F4-F5
DC-22
32-41
—
20
40
1.7
—
—
—
—
:1
dB
dB
RejectionꢀLoss
Stop Band
41-200
—
VSWR
F3-F5
32-200
—
—
—
:1
PCB Land Pattern
Typical Frequency Response
Electrical Schematic
40
R F IN
R F OUT
20
ayout,
Suggested L
Tolerance to be within .002
3
1
inch
Outline Dimensions (
)
mm
DC
F1 F2
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
FREQUENCY
Typical Performance Data
Return Loss
(dB)
Frequency
(MHz)
Frequency
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
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
1.00ꢀ
9.00ꢀ
0.06ꢀ
0.21ꢀ
0.39ꢀ
0.36ꢀ
0.37ꢀ
0.48ꢀ
0.65ꢀ
1.08ꢀ
2.05ꢀ
0.10ꢀ
0.10ꢀ
0.10ꢀ
0.10ꢀ
0.10ꢀ
0.10ꢀ
0.20ꢀ
0.07ꢀ
1.40ꢀ
1.80
2.60ꢀ
2.40ꢀ
2.20ꢀ
2.10ꢀ
2.00ꢀ
1.90ꢀ
1.80ꢀ
1.80ꢀ
1.70ꢀ
1.80ꢀ
1.80ꢀ
3.90ꢀ
2.70ꢀ
7.40ꢀ
3.00ꢀ
2.60ꢀ
2.90ꢀ
3.90ꢀ
3.20ꢀ
3.10ꢀ
35.00ꢀ
26.30ꢀ
17.50ꢀ
19.20ꢀ
28.40ꢀ
20.30ꢀ
20.30ꢀ
14.30ꢀ
8.10ꢀ
5.70
1.10ꢀ
0.20ꢀ
0.10ꢀ
0.10ꢀ
0.10ꢀ
0.20ꢀ
0.30ꢀ
0.40ꢀ
0.40ꢀ
0.50ꢀ
0.50ꢀ
0.70ꢀ
0.60ꢀ
0.60ꢀ
0.50ꢀ
0.40ꢀ
0.00ꢀ
0.40ꢀ
0.30ꢀ
0.30ꢀ
1.00ꢀ
9.00ꢀ
35.40
37.20
40.30
42.40
46.10
51.50
59.50
68.50
74.00
78.70
83.20
84.60
77.20
61.10
45.40
34.10
27.40
22.40
19.30
16.70
15.00
13.20
9.80
14.00ꢀ
16.00ꢀ
18.00ꢀ
20.00ꢀ
22.00ꢀ
23.50ꢀ
24.50ꢀ
25.00
14.00ꢀ
16.00ꢀ
18.00ꢀ
20.00ꢀ
22.00ꢀ
23.00ꢀ
23.50ꢀ
24.00
Demo Board MCL P/N:TB-187+
Suggested PCB Layout (PL-049)
2.91
8.86ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
27.00ꢀ
29.00ꢀ
30.00ꢀ
31.00ꢀ
32.00ꢀ
33.00ꢀ
35.00ꢀ
37.00ꢀ
38.00ꢀ
39.00ꢀ
41.00ꢀ
80.50ꢀ
100.50ꢀ
120.50ꢀ
140.50ꢀ
160.00ꢀ
170.00ꢀ
180.00ꢀ
190.00ꢀ
200.00ꢀ
24.50ꢀ
25.00ꢀ
26.00ꢀ
27.00ꢀ
28.00ꢀ
29.00ꢀ
30.00ꢀ
31.00ꢀ
32.00ꢀ
33.00ꢀ
34.00ꢀ
35.00ꢀ
36.00ꢀ
37.00ꢀ
38.00ꢀ
39.00ꢀ
41.00ꢀ
80.50ꢀ
90.50ꢀ
100.50ꢀ
15.82ꢀ
19.04ꢀ
22.06ꢀ
24.85ꢀ
27.50ꢀ
32.41ꢀ
36.86ꢀ
38.91ꢀ
40.92ꢀ
44.83ꢀ
78.86ꢀ
75.36ꢀ
79.79ꢀ
76.97ꢀ
72.23ꢀ
70.36ꢀ
70.87ꢀ
69.67ꢀ
71.47ꢀ
11.20
6.10
10.20
7.40
7.10
6.90
6.50
SCLF-21.4
INSERTION LOSS
SCLF-21.4
RETURN LOSS
SCLF-21.4
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
100
80
60
40
20
0
120
100
80
60
40
20
0
1
10
100
1000
1
10
100
1000
1.0
20.9
40.8
60.7
80.6
100.5
FREQUENCY(MHz)
FREQUENCY (MHz)
FREQUENCY(MHz)
®
For detailed performance specs
& shopping online see web site
Mini-Circuits
ISO 9001 ISO 14001 AS 9100 CERTIFIED
®
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
REV.ꢀD
IF/RF MICROWAVE COMPONENTS
M111708
SCLF-21.4
100115
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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