Coaxial
Bandpass Filter
SIF-50+
50Ω Constant Impedance 41 to 58 MHz
Maximum Ratings
Operating Temperature -55°C to 100°C
Storage Temperature -55°C to 100°C
RF Power Input
Features
• low VSWR in pass- and stopbands, 1.3:1 typ
• rugged shielded case
• custom fo models available
0.5W max.
CASE STYLE: FF99
Connectors Model
Price
Qty.
SMA
SIF-50+
$38.95 ea. (1-9)
Permanent damage may occur if any of these limits are exceeded.
Applications
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
• harmonic rejection
• lab use
The +Suffix has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifications.
Bandpass Filter Electrical Specifications­
CENTER
FREQ.
(MHz)
PASSBAND
(MHz)
50
Outline Drawing
STOPBANDS
VSWR, 1.3:1 Typ.
TOTAL BAND
(MHz)
(loss<1 dB)
(loss > 10 dB)
at MHz
(loss > 20 dB)
at MHz
41-58
11.5 & 200
3.1 & 350
typical frequency response
DC-440
electrical schematic
Typical Performance Data
Frequency
(MHz)
x
Outline Dimensions ( inch
mm )
B
D
.67
1.98
17.02 50.29
E
wt
.312 grams
7.92
42.0
INSERTION LOSS
1.0
1.4
1.8
2.3
2.7
3.1
4.0
9.0
11.5
20.0
23.7
27.3
31.0
41.0
45.5
50.0
53.0
77.0
80.0
120.0
160.0
200.0
250.0
316.7
350.0
390.0
402.5
415.0
427.5
440.0
33.62
30.60
28.39
26.60
25.16
23.91
21.72
14.63
12.44
7.25
5.61
4.18
2.95
0.70
0.28
0.21
0.34
3.12
3.52
7.84
10.99
13.61
16.51
20.38
22.46
25.29
26.25
27.29
28.35
29.49
at RF level of 0 dBm
INSERTION LOSS (dB)
100
RETURN LOSS (dB)
40
30
20
10
0
0
88
176
264
FREQUENCY(MHz)
352
440
at RF level of 0 dBm
σ
0.2
0.2
0.2
0.2
0.2
0.2
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.2
0.2
0.2
0.4
0.4
0.6
0.7
0.8
0.9
1.0
Frequency
(MHz)
56.3
53.5
51.1
49.3
47.6
46.4
43.9
35.6
33.2
28.5
27.1
26.3
26.2
29.3
30.2
30.0
29.3
23.2
23.1
25.4
27.0
27.5
28.8
29.6
29.7
29.5
29.5
29.3
29.2
28.9
RETURN LOSS
10.0
80
60
40
20
0
0
88
176
264
FREQUENCY(MHz)
352
Group Delay
(nsec)
3.1
3.2
5.9
8.7
11.4
11.6
18.2
24.4
31.1
32.2
41.0
41.7
43.9
46.2
48.7
51.3
53.1
55.9
57.9
58.9
77.6
117.5
119.5
160.3
200.7
246.9
251.2
298.5
342.8
348.7
GROUP DELAY (nsec)
50
Return Loss
(dB)
Insertion Loss
(dB)
_
at RF level of 0 dBm
1.540
2.572
3.434
3.800
3.893
3.910
4.448
5.257
6.290
6.428
7.293
7.342
7.325
7.197
6.905
6.571
6.309
5.874
5.441
5.242
2.769
1.114
1.093
0.679
0.525
0.414
0.408
0.306
0.185
0.163
GROUP DELAY
8.0
6.0
4.0
2.0
0.0
440
0
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
70
140
210
FREQUENCY (MHz)
280
350
For detailed performance specs
& shopping online see web site
®
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.
REV. B
M113397
SIF-50+
090821