Coaxial
Power Splitter/Combiner
ZSC-3-2+
3 Way-0° 50Ω
0.01 to 30 MHz
Maximum Ratings
Features
CASE STYLE: P25
Connectors Model
• low insertion loss, 0.15 dB typ.
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
-55°C to 100°C
• high isolation, 40 dB typ.
-55°C to 100°C
1W max.
BNC
ZSC-3-2+
• excellent amplitude unbalance, 0.1 dB typ.
• excellent phase unbalance, 0.5 deg. typ.
• rugged shielded case
BRACKET (OPTION "B")
BRACKET (OPTION "BR")
0.375W max.
At low range frequency band(fL to 10fL), linearly derate
maximum input power by 13 dB.
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Applications
• HF
Permanent damage may occur if any of these limits are exceeded.
• amateur radio
• communication system
Coaxial Connections
SUM PORT
S
1
2
3
Electrical Specifications
PORT 1
FREQ.
RANGE
(MHz)
ISOLATION
(dB)
INSERTION LOSS (dB)
ABOVE 4.8 dB
PHASE
UNBALANCE
(Degrees)
AMPLITUDE
UNBALANCE
(dB)
PORT 2
PORT 3
L
M
U
L
M
U
L
M
Max.
U
Max.
L
Max.
M
Max.
U
Max.
fL-fU
Typ. Min. Typ. Min. Typ. Min Typ. Max. Typ. Max. Typ. Max. Max.
35 30 40 25 30 25 0.25 0.45 0.15 0.45 0.45 0.75 1.0
M = mid range [10 fL to fU/2] U= upper range [fU/2 to fU]
Outline Drawing
0.01-30
2.0
4.0
0.2
0.3
0.4
L = low range [fL to 10 fL]
Typical Performance Data
Freq.
(MHz)
Total Loss1
(dB)
Amp.
Unbal.
(dB)
Isolation
(dB)
Phase VSWR VSWR VSWR VSWR
Unbal.
(deg.)
S
1
2
3
S-1
S-2
S-3
1-2
1-3
2-3
0.01
0.05
0.08
1.00
3.70
5.08
4.86
4.86
4.85
4.88
5.05
4.85
4.85
4.85
4.88
5.05
4.85
4.85
4.85
4.88
0.03
0.01
0.01
0.01
0.00
39.98
53.25
56.50
53.52
43.77
45.28
58.54
61.15
53.82
44.01
45.16
57.54
60.78
53.61
43.84
0.66
0.04
0.00
0.02
0.03
2.19
1.23
1.17
1.12
1.12
2.06
1.19
1.13
1.08
1.07
2.06
1.19
1.13
1.08
1.07
2.11
1.19
1.14
1.09
1.07
6.40
9.10
12.00
15.00
18.00
4.91
4.94
4.96
4.98
5.01
4.91
4.93
4.96
4.99
5.01
4.91
4.94
4.97
5.00
5.03
0.00
0.00
0.01
0.01
0.02
39.85
37.40
35.48
33.96
32.75
40.14
37.69
35.76
34.24
33.02
40.01
37.59
35.70
34.22
33.05
0.04
0.06
0.09
0.11
0.14
1.13
1.14
1.15
1.17
1.19
1.06
1.04
1.03
1.02
1.04
1.06
1.04
1.03
1.03
1.05
1.06
1.05
1.04
1.04
1.05
22.00
25.00
27.00
29.00
30.00
5.04
5.06
5.08
5.10
5.11
5.05
5.08
5.10
5.13
5.14
5.07
5.10
5.13
5.16
5.17
0.03
0.04
0.05
0.06
0.06
31.46
30.64
30.16
29.70
29.48
31.70
30.87
30.36
29.88
29.65
31.79
31.02
30.57
30.13
29.91
0.18
0.22
0.24
0.26
0.27
1.23
1.26
1.29
1.33
1.34
1.08
1.11
1.13
1.16
1.18
1.08
1.12
1.14
1.17
1.18
1.09
1.12
1.14
1.17
1.18
inch
Outline Dimensions (
)
mm
A
2.25
B
C
D
E
F
G
H
1.38
1.24
.50
.150 3.100
.138 1.238
3.51 31.45
57.15 35.05 31.50 12.70
3.81 78.74
J
3.25
82.55
K
.10
L
.78
M
1.47
N
--
--
P
.38
Q
1.00
S
wt
1. Total Loss = Insertion Loss + 4.8dB splitter loss.
ZSC-3-2+
TOTAL LOSS
ZSC-3-2+
ISOLATION
.150 grams
3.81 110.0
2.54 19.81 37.34
9.65 25.40
70
5.5
1-2 (dB)
1-3 (dB)
2-3 (dB)
S-1(dB)
S-2(dB)
S-3(dB)
60
5.3
5.1
4.9
4.7
4.5
50
40
30
20
0.01
0.1
1
10
100
0.01
0.1
1
10
100
FREQUENCY (MHz)
ZSC-3-2+
FREQUENCY (MHz)
VSWR
2.5
#S-VSWR
#1-VSWR
2.2
1.9
1.6
1.3
1.0
electrical schematic
0.01
0.1
1
10
100
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
®
M151107
ZSC-3-2+
HY/TD/CP
151019
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
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