High Power Combiner
2 Way-0°
50Ω
10 to 250 MHz 20 Watt
Coaxial
ZA2CS-251-20W+
The Big Deal
•
•
•
•
High power, up to 20W as a combiner (each input port)
Low insertion loss, 0.17 dB
High isolation, 25 dB
Low unbalance, 0.5˚/0.05 dB
CASE STYLE: AW254
Product Overview
Mini-Circuits’ ZA2CS-251-20W+ is a 2-way 0˚ splitter/combiner providing 20W power handling and very low inser-
tion loss across the 10 to 250 MHz band, covering applications including AM/FM radio, VHF/UHF, instrumentation
and more. Its low intrinsic losses provide excellent signal fidelity from input to output, even to high-power signals.
This model also provides high isolation and very low amplitude and phase unbalance. It features rugged construc-
tion with your choice of SMA or N-Type connectors and a heat sink for efficient cooling.
Key Features
Feature
Feature 1 High power handling:
• Up to 25W as a splitter
• Up to 20W as a combiner
Advantages
Suitable for many high power applications.
Very low insertion loss, 0.17 dB
Very low unbalance:
• 0.05 dB amplitude unbalance
• 0.5˚ phase unbalance
Very low insertion loss minimizes intrinsic losses, making this model a suitable candidate for
high power signal distribution applications where low loss is a requirement.
ZA2CS-251-20+ produces nearly equal output signals, ideal for parallel path / multichannel
systems.
Good isolation, 25 dB
Minimizes interference between input ports.
Excellent VSWR, 1.1:1 typ.
Provides excellent thru-path transmission with low signal reflection.
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
www.minicircuits.com
P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Mini-Circuits
®
Page 1 of 2
High Power Combiner
2 Way-0°
Operating Temperature
Storage Temperature
Coaxial
ZA2CS-251-20W+
50Ω
10 to 250 MHz 20 Watt
Features
• high power, up to 20W input power as combiner
• low insertion loss, .17 dB typ.
• high isolation, 30 dB typ.
• excellent VSWR, 1.1:1 typ.
Maximum Ratings
-55°C to 60°C
-55°C to 100°C
Permanent damage may occur if any of these limits are exceeded.
CASE STYLE: AW254
Connectors Model
N-TYPE
ZA2CS-251-20WN+
SMA
ZA2CS-251-20WS+
Coaxial Connections
SUM PORT
PORT 1
PORT 2
S
1
2
Applications
• instrumentation
• VHF/UHF
• AM/FM RADIO
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Outline Drawing
Parameter
Frequency Range
Insertion Loss Above 3.0 dB
Isolation
Phase Unbalance
Amplitude Unbalance
VSWR (Port S)
VSWR (Port 1-2)
Electrical Specifications at 25°C
Frequency (MHz)
10 - 250
25 - 120
10 - 250
25 - 120
10 - 250
10 - 250
10 - 250
10 - 250
10 - 250
25 - 120
10 - 250
25 - 120
Min.
10
—
—
15
20
—
—
—
—
—
—
—
—
Typ.
0.25
0.17
20
25
0.5
.05
1.15
1.20
—
—
—
—
Max.
250
0.5
0.4
—
—
2
0.25
1.5
1.6
10
20
25
65
Unit
MHz
dB
dB
Degree
dB
:1
:1
as combiner*
Power Input
as splitter
* Maximum Power Input for each port.
W
Typical Performance Data
Outline Dimensions (
A
3.00
76.20
G
.125
3.18
B
2.06
52.32
H
1.000
25.40
C
1.92
48.77
J
.50
12.70
D
.100
2.54
K
2.00
50.80
inch
mm
)
Frequency
(MHz)
Total Loss
1
(dB)
S-1
S-2
3.05
3.12
3.13
3.14
3.14
3.15
3.15
3.15
3.16
3.16
3.17
3.18
3.19
3.21
3.25
Amplitude
Unbalance
(dB)
0.01
0.02
0.02
0.02
0.02
0.02
0.02
0.01
0.01
0.01
0.01
0.01
0.00
0.01
0.02
Isolation
(dB)
Phase
Unbalance
(deg.)
0.01
0.01
0.02
0.02
0.03
0.02
0.02
0.03
0.03
0.03
0.05
0.06
0.08
0.12
0.16
VSWR
S
VSWR
1
VSWR
2
E
2.500
63.50
F
1.525
38.74
wt
grams
330
Electrical Schematic
10
25
35
45
50
60
65
75
85
90
120
150
180
210
250
3.06
3.14
3.15
3.16
3.16
3.16
3.17
3.17
3.17
3.17
3.18
3.18
3.18
3.20
3.24
24.19
30.88
32.38
32.61
32.30
31.28
30.68
29.51
28.43
27.93
25.60
23.82
21.82
20.31
19.47
1.16
1.11
1.11
1.11
1.11
1.11
1.11
1.11
1.11
1.11
1.12
1.12
1.13
1.15
1.17
1.27
1.11
1.09
1.09
1.09
1.08
1.08
1.08
1.08
1.08
1.08
1.08
1.08
1.09
1.10
1.27
1.11
1.09
1.09
1.09
1.08
1.08
1.08
1.08
1.08
1.08
1.08
1.08
1.08
1.09
1. Total Loss = Insertion Loss + 3dB splitter theoretical loss.
ZA2CS-251-20W+
TOTAL LOSS
3.4
TOTAL LOSS (dB)
3.3
3.2
3.1
3
10
58
106
154
202
250
FREQUENCY (MHz)
ZA2CS-251-20W+
ISOLATION
35
ISOLATION (dB)
ZA2CS-251-20W+
VSWR
1.3
1.25
VSWR
1.2
VSWR S
VSWR 1
VSWR 2
S-1 (dB)
S-2 (dB)
30
25
20
15
10
58
106
154
202
FREQUENCY (MHz)
250
1.15
1.1
1.05
10
58
106
154
202
250
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
www.minicircuits.com
P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Mini-Circuits
®
REV. B
M156482
ZA2CS-251-20W+
ED-17141
JX/CP/AM
160424
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